private string CheckPointInRange(PointF pt)
{
bool retValue = true;
string retMsg = null;
if (pt.X < xVar.Min || pt.X > xVar.Max || pt.Y < yVar.Min || pt.Y > yVar.Max)
{
retValue = false;
}
else
{
double p = pressure.Value;
double temperature = (double)pt.X;
double humidity = (double)pt.Y;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
double dewPoint = humidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature, 1.0);
double humiditySat = humidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint, p);
if (humidity > humiditySat)
{
retValue = false;
}
}
if (retValue == false)
{
retMsg = "Specified state is out of range. It is reverted back to the original state";
}
return(retMsg);
}
internal override double GetGasCp(double temperature)
{
double mcDryBase = moistureContentDryBase.Value;
//double cpDryBase = GetHumidGasCalculator().GetHumidHeat(mcDryBase, temperature);
double cpDryBase = HumidGasCalculator.GetHumidHeat(mcDryBase, temperature);
return(cpDryBase / (1.0 + mcDryBase));
}
internal override double GetGasDensity(double temperature, double pressure)
{
double mcDryBase = moistureContentDryBase.Value;
//double humidVolumeValue = GetHumidGasCalculator().GetHumidVolume(temperature, mcDryBase, pressure);
double humidVolumeValue = HumidGasCalculator.GetHumidVolume(temperature, mcDryBase, pressure);
return((1.0 + mcDryBase) / humidVolumeValue);
}
private CurveFamilyF GenerateAdiabaticSaturationFamily()
{
double dewPoint;
double ysat;
double wetBulb;
double temperature;
double ih;
double tsat;
double maxTemp;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
double p = (double)pressure.Value;
double cg = humidGasCalculator.GetSpecificHeatOfDryGas();
double cv = humidGasCalculator.GetSpecificHeatOfVapor();
double r0 = humidGasCalculator.GetEvaporationHeat(273.15);
double dewPoint1 = humidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(xVar.Max, 1.0);
double dewPoint2 = humidGasCalculator.GetDewPointFromHumidityAndPressure(yVar.Max, p);
double dewPointMin = Math.Min(dewPoint1, dewPoint2);
int numOfCurves = (int)((dewPointMin - xVar.Min) / 5.0) + 1;
CurveF[] curves = new CurveF[numOfCurves];
double y;
for (int i = 0; i < numOfCurves; i++)
{
tsat = xVar.Min + i * 5.0;
dewPoint = humidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(tsat, 1.0);
ysat = humidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint, p);
wetBulb = humidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(tsat, ysat, p);
PointF[] dataPoints = new PointF[11];
maxTemp = humidGasCalculator.GetDryBulbFromWetBulbHumidityAndPressure(wetBulb, 0.0, p);
if (maxTemp > xVar.Max)
{
maxTemp = xVar.Max;
}
if (ysat > yVar.Max)
{
tsat = humidGasCalculator.GetDryBulbFromWetBulbHumidityAndPressure(wetBulb, yVar.Max, p);
}
ih = (cg + cv * ysat) * (tsat - 273.15) + r0 * ysat;
for (int j = 0; j <= 10; j++)
{
temperature = tsat + (maxTemp - tsat) / 10.0 * j;
//iso-enthalpy line
y = (ih - cg * (temperature - 273.15)) / (r0 + cv * (temperature - 273.15));
dataPoints[j] = new PointF((float)temperature, (float)y);
}
curves[i] = new CurveF(StringConstants.GetTypeName(StringConstants.ADIABATIC_SATURATION), (float)tsat, dataPoints);
}
CurveFamilyF curveFamily = new CurveFamilyF(StringConstants.GetTypeName(StringConstants.ADIABATIC_SATURATION), PhysicalQuantity.Temperature, curves);
return(curveFamily);
}
private CurveFamilyF GenerateRelativeHumidityFamily()
{
double dewPoint;
double humidity;
double temperature;
double maxTemp;
CurveF[] curves = new CurveF[16];
double relativeHumidity;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
for (int i = 0; i < 16; i++)
{
//from 0.0% to 10%--interval 2%
if (i < 5)
{
relativeHumidity = (i + 1) * 0.02;
}
//from 10 to 50%--interval 5%
else if (i < 9)
{
relativeHumidity = 0.1 + (i - 4) * 0.05;
}
//from 30 to 100%--interval 10%
else
{
relativeHumidity = 0.3 + (i - 8) * 0.1;
}
dewPoint = humidGasCalculator.GetDewPointFromHumidityAndPressure(yVar.Max, pressure.Value);
maxTemp = humidGasCalculator.GetDryBulbFromDewPointAndRelativeHumidity(dewPoint, relativeHumidity);
if (maxTemp > xVar.Max)
{
maxTemp = xVar.Max;
}
PointF[] dataPoints = new PointF[101];
for (int j = 0; j <= 100; j++)
{
temperature = xVar.Min + j * (maxTemp - xVar.Min) / 100;
dewPoint = humidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature, relativeHumidity);
humidity = humidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint, (double)pressure.Value);
dataPoints[j] = new PointF((float)temperature, (float)humidity);
}
curves[i] = new CurveF(StringConstants.GetTypeName(StringConstants.RELATIVE_HUMIDITY), (float)relativeHumidity, dataPoints);
}
CurveFamilyF curveFamily = new CurveFamilyF(StringConstants.GetTypeName(StringConstants.RELATIVE_HUMIDITY), PhysicalQuantity.Fraction, curves);
return(curveFamily);
}
private CurveF GenerateSpecificVolumeDryAirCurve()
{
double temperature;
double specificVolumeDryAir;
PointF[] dataPoints = new PointF[10];
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
for (int i = 0; i < 10; i++)
{
temperature = (xVar.Max - xVar.Min) / 10.0 * i;
specificVolumeDryAir = humidGasCalculator.GetHumidVolume(temperature, 0.0, (double)pressure.Value);
dataPoints[i] = new PointF((float)temperature, (float)specificVolumeDryAir);
}
return(new CurveF(StringConstants.GetTypeName(StringConstants.SPECIFIC_VOLUME_DRY_AIR), 0.1f, dataPoints));
}
private CurveF GenerateEvaporationHeatCurve()
{
double temperature;
double evapHeat;
PointF[] dataPoints = new PointF[10];
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
for (int i = 0; i < 10; i++)
{
temperature = (xVar.Max - xVar.Min) / 10.0 * i;
evapHeat = humidGasCalculator.GetEvaporationHeat(temperature);
dataPoints[i] = new PointF((float)temperature, (float)evapHeat);
}
return(new CurveF(StringConstants.GetTypeName(StringConstants.EVAPORATION_HEAT), 0.1f, dataPoints));
}
private CurveF GenerateHumidHeatCurve()
{
double humidity;
double humidHeat;
PointF[] dataPoints = new PointF[10];
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
for (int i = 0; i < 10; i++)
{
humidity = yVar.Min + (yVar.Max - yVar.Min) / 10.0 * i;
humidHeat = humidGasCalculator.GetHumidHeat(humidity);
dataPoints[i] = new PointF((float)humidity, (float)humidHeat);
}
return(new CurveF(StringConstants.GetTypeName(StringConstants.HUMID_HEAT), 273.15f, dataPoints));
}
private CurveF GenerateSaturationVolumeCurve()
{
double temperature;
double dewPoint;
double humidity;
double saturationVolume;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
PointF[] dataPoints = new PointF[10];
for (int i = 0; i < 10; i++)
{
temperature = (xVar.Max - xVar.Min) / 10.0 * i;
dewPoint = humidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature, 1.0);
humidity = humidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint, (double)pressure.Value);
saturationVolume = humidGasCalculator.GetHumidVolume(temperature, humidity, (double)pressure.Value);
dataPoints[i] = new PointF((float)temperature, (float)saturationVolume);
}
return(new CurveF(StringConstants.GetTypeName(StringConstants.SATURATION_VOLUME), 0.1f, dataPoints));
}
protected override ErrorMessage CheckSpecifiedValueRange(ProcessVarDouble pv, double aValue)
{
ErrorMessage retValue = base.CheckSpecifiedValueRange(pv, aValue);
if (retValue != null)
{
return(retValue);
}
//if (pv.VarTypeName == StringConstants.GetTypeName(StringConstants.DRY_BULB_TEMPERATURE)) {
if (pv == temperature)
{
if (aValue != Constants.NO_VALUE && wetBulbTemperature.HasValue && aValue < wetBulbTemperature.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be less than " + StringConstants.GetTypeName(StringConstants.WET_BULB_TEMPERATURE));
}
else if (aValue != Constants.NO_VALUE && dewPoint.HasValue && aValue < dewPoint.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be less than " + StringConstants.GetTypeName(StringConstants.DEW_POINT));
}
}
//else if (pv.VarTypeName == StringConstants.GetTypeName(StringConstants.WET_BULB_TEMPERATURE))
else if (pv == wetBulbTemperature)
{
if (aValue != Constants.NO_VALUE && temperature.HasValue && aValue > temperature.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be greater than " + StringConstants.GetTypeName(StringConstants.DRY_BULB_TEMPERATURE));
}
else if (aValue != Constants.NO_VALUE && dewPoint.HasValue && aValue < dewPoint.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be less than than " + StringConstants.GetTypeName(StringConstants.DEW_POINT));
}
}
//else if (pv.VarTypeName == StringConstants.GetTypeName(StringConstants.DEW_POINT))
else if (pv == dewPoint)
{
if (aValue != Constants.NO_VALUE && temperature.HasValue && aValue > temperature.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be greater than " + StringConstants.GetTypeName(StringConstants.DRY_BULB_TEMPERATURE));
}
else if (aValue != Constants.NO_VALUE && wetBulbTemperature.HasValue && aValue > wetBulbTemperature.Value)
{
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, pv.VarTypeName + " can not be greater than " + StringConstants.GetTypeName(StringConstants.WET_BULB_TEMPERATURE));
}
}
//else if (pv.VarTypeName == StringConstants.GetTypeName(StringConstants.HUMIDITY))
else if (pv == Humidity)
{
if (aValue != Constants.NO_VALUE && aValue < 0)
{
retValue = CreateLessThanZeroErrorMessage(pv);
}
else if (aValue != Constants.NO_VALUE && pressure.HasValue)
{
double maxHumidity = 1000.0;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (temperature.HasValue)
{
maxHumidity = humidGasCalculator.GetHumidityFromDewPointAndPressure(temperature.Value, pressure.Value);
}
else if (wetBulbTemperature.HasValue)
{
maxHumidity = humidGasCalculator.GetHumidityFromDewPointAndPressure(wetBulbTemperature.Value, pressure.Value);
}
else if (dewPoint.HasValue)
{
maxHumidity = humidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint.Value, pressure.Value);
}
if (aValue > maxHumidity)
{
aValue = maxHumidity;
retValue = new ErrorMessage(ErrorType.SimpleGeneric, StringConstants.INAPPROPRIATE_SPECIFIED_VALUE, "The maximum humidity under current conditions is " + aValue.ToString());
}
}
}
//else if (pv.VarTypeName == StringConstants.GetTypeName(StringConstants.RELATIVE_HUMIDITY))
else if (pv == relativeHumidity)
{
if (aValue != Constants.NO_VALUE && (aValue < 0 || aValue > 1.0))
{
retValue = CreateOutOfRangeZeroToOneErrorMessage(pv);
}
}
return(retValue);
}
private void Solve()
{
//Mass Transfer--material particles transfer from gas stream to liquid stream
//Mass Transfer--moisture transfers from liquid stream to gas stream
//by an adiabaitc saturation process if ScrubberType is General.
DryingMaterialStream dmsInlet = liquidInlet as DryingMaterialStream;
DryingMaterialStream dmsOutlet = liquidOutlet as DryingMaterialStream;
DryingGasStream dgsInlet = gasInlet as DryingGasStream;
DryingGasStream dgsOutlet = gasOutlet as DryingGasStream;
//gas stream goes through an adiabatic saturation process
double tg1 = dgsInlet.Temperature.Value;
double y1 = dgsInlet.Humidity.Value;
double tw1 = dgsInlet.WetBulbTemperature.Value;
double td1 = dgsInlet.DewPoint.Value;
double fy1 = dgsInlet.RelativeHumidity.Value;
double tg2 = dgsOutlet.Temperature.Value;
double y2 = dgsOutlet.Humidity.Value;
double tw2 = dgsOutlet.WetBulbTemperature.Value;
double td2 = dgsOutlet.DewPoint.Value;
double fy2 = dgsOutlet.RelativeHumidity.Value;
double ih = 0;
double p1 = dgsInlet.Pressure.Value;
double p2 = dgsOutlet.Pressure.Value;
if (p1 == Constants.NO_VALUE || p2 == Constants.NO_VALUE)
{
return;
}
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (tg1 != Constants.NO_VALUE && y1 != Constants.NO_VALUE)
{
ih = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(tg1, y1, p1);
if (tg2 != Constants.NO_VALUE)
{
y2 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg2, p2);
if (y2 <= 0.0)
{
y2 = 1.0e-6;
}
Calculate(dgsOutlet.MoistureContentDryBase, y2);
solveState = SolveState.Solved;
}
else if (y2 != Constants.NO_VALUE)
{
tg2 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y2, p2);
Calculate(dgsOutlet.Temperature, tg2);
solveState = SolveState.Solved;
}
else if (td2 != Constants.NO_VALUE)
{
y2 = humidGasCalculator.GetHumidityFromDewPointAndPressure(td2, p2);
tg2 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y2, p2);
Calculate(dgsOutlet.Temperature, tg2);
solveState = SolveState.Solved;
}
else if (fy2 != Constants.NO_VALUE)
{
double fy_temp = 0;
double delta = 10.0;
double totalDelta = delta;
tg2 = tg1 - delta;
bool negativeLastTime = false;
int counter = 0;
do
{
counter++;
y2 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg2, p2);
fy_temp = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg2, y2, p2);
if (fy2 > fy_temp)
{
if (negativeLastTime)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
}
totalDelta += delta;
negativeLastTime = false;
}
else if (fy2 < fy_temp)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
totalDelta -= delta;
negativeLastTime = true;
}
tg2 = tg1 - totalDelta;
} while (Math.Abs(fy2 - fy_temp) > 1.0e-6 && counter <= 200);
if (counter < 200)
{
Calculate(dgsOutlet.Temperature, tg2);
solveState = SolveState.Solved;
}
}
if (solveState == SolveState.Solved)
{
double fy = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg2, y2, p2);
if (fy > 1.0)
{
solveState = SolveState.NotSolved;
string msg = "Specified gas inlet state makes the relative humidity of the outlet greater than 1.0.";
throw new InappropriateSpecifiedValueException(msg);
}
}
}
else if (tg2 != Constants.NO_VALUE && y2 != Constants.NO_VALUE)
{
ih = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(tg2, y2, p2);
if (tg1 != Constants.NO_VALUE)
{
y1 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg1, p1);
Calculate(dgsInlet.MoistureContentDryBase, y1);
solveState = SolveState.Solved;
}
else if (y1 != Constants.NO_VALUE)
{
tg1 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y1, p1);
Calculate(dgsInlet.Temperature, tg1);
solveState = SolveState.Solved;
}
else if (td1 != Constants.NO_VALUE)
{
y1 = humidGasCalculator.GetHumidityFromDewPointAndPressure(td1, p1);
tg1 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y1, p1);
Calculate(dgsInlet.Temperature, tg1);
solveState = SolveState.Solved;
}
else if (fy1 != Constants.NO_VALUE)
{
double fy_temp = 0;
double delta = 10.0;
double totalDelta = delta;
tg1 = tg2 + delta;
bool negativeLastTime = false;
int counter = 0;
do
{
counter++;
y1 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg1, p1);
fy_temp = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg1, y1, p1);
if (fy1 < fy_temp)
{
if (negativeLastTime)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
}
totalDelta += delta;
negativeLastTime = false;
}
else if (fy1 > fy_temp)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
totalDelta -= delta;
negativeLastTime = true;
}
tg1 = tg2 + totalDelta;
} while (Math.Abs(fy1 - fy_temp) > 1.0e-6 && counter <= 200);
if (counter < 200)
{
Calculate(dgsInlet.Temperature, tg1);
solveState = SolveState.Solved;
}
}
}
//end of adiabatic saturation process calculatioin
//have to recalculate the streams so that the following balance calcualtion
//can have all the latest balance calculated values taken into account
//PostSolve(false);
UpdateStreamsIfNecessary();
balanceModel.DoBalanceCalculation();
double inletDustMassFlowRate = Constants.NO_VALUE;
double outletDustMassFlowRate = Constants.NO_VALUE;
double inletDustMoistureFraction = 0.0;
double outletDustMoistureFraction = 0.0;
DryingGasComponents dgc;
if (InletParticleLoading.HasValue && gasInlet.VolumeFlowRate.HasValue)
{
inletDustMassFlowRate = InletParticleLoading.Value * gasInlet.VolumeFlowRate.Value;
dgc = dgsInlet.GasComponents;
if (dgc.SolidPhase != null)
{
SolidPhase sp = dgc.SolidPhase;
MaterialComponent mc = sp[1];
inletDustMoistureFraction = mc.GetMassFractionValue();
}
}
if (OutletParticleLoading.HasValue && gasOutlet.VolumeFlowRate.HasValue)
{
outletDustMassFlowRate = OutletParticleLoading.Value * gasOutlet.VolumeFlowRate.Value;
dgc = dgsOutlet.GasComponents;
if (dgc.SolidPhase != null)
{
SolidPhase sp = dgc.SolidPhase;
MaterialComponent mc = sp[1];
inletDustMoistureFraction = mc.GetMassFractionValue();
}
}
double inletMoistureFlowRate = Constants.NO_VALUE;
double outletMoistureFlowRate = Constants.NO_VALUE;
if (dgsInlet.MassFlowRateDryBase.HasValue && dgsInlet.MoistureContentDryBase.HasValue)
{
inletMoistureFlowRate = dgsInlet.MassFlowRateDryBase.Value * dgsInlet.MoistureContentDryBase.Value;
}
if (dgsOutlet.MassFlowRateDryBase.HasValue && dgsOutlet.MoistureContentDryBase.HasValue)
{
outletMoistureFlowRate = dgsOutlet.MassFlowRateDryBase.Value * dgsOutlet.MoistureContentDryBase.Value;
}
double materialFromGas = 0.0;
if (inletDustMassFlowRate != Constants.NO_VALUE && outletDustMassFlowRate != Constants.NO_VALUE &&
inletMoistureFlowRate != Constants.NO_VALUE && outletMoistureFlowRate != Constants.NO_VALUE)
{
double moistureToGas = outletMoistureFlowRate - inletMoistureFlowRate;
materialFromGas = inletDustMassFlowRate - outletDustMassFlowRate;
double moistureOfMaterialFromGas = inletDustMassFlowRate * inletDustMoistureFraction - outletDustMassFlowRate * outletDustMoistureFraction;
if (dmsInlet.MassFlowRate.HasValue)
{
double outletMassFlowRate = dmsInlet.MassFlowRate.Value + materialFromGas - moistureToGas;
Calculate(dmsOutlet.MassFlowRate, outletMassFlowRate);
if (dmsInlet.MoistureContentWetBase.HasValue)
{
double inletMaterialMoistureFlowRate = dmsInlet.MassFlowRate.Value * dmsInlet.MoistureContentWetBase.Value;
double outletMaterialMoistureFlowRate = inletMaterialMoistureFlowRate - moistureToGas + moistureOfMaterialFromGas;
double outletMoistureContentWetBase = outletMaterialMoistureFlowRate / outletMassFlowRate;
Calculate(dmsOutlet.MoistureContentWetBase, outletMoistureContentWetBase);
solveState = SolveState.Solved;
}
else if (dmsOutlet.MoistureContentWetBase.HasValue)
{
double outletMaterialMoistureFlowRate = dmsOutlet.MassFlowRate.Value * dmsInlet.MoistureContentWetBase.Value;
double inletMaterialMoistureFlowRate = outletMaterialMoistureFlowRate + moistureToGas - moistureOfMaterialFromGas;
double inletMoistureContentWetBase = inletMaterialMoistureFlowRate / dmsInlet.MassFlowRate.Value;
Calculate(dmsInlet.MoistureContentWetBase, inletMoistureContentWetBase);
solveState = SolveState.Solved;
}
}
else if (dmsOutlet.MassFlowRate.HasValue)
{
double inletMassFlowRate = dmsOutlet.MassFlowRate.Value - materialFromGas + moistureToGas;
Calculate(dmsInlet.MassFlowRate, inletMassFlowRate);
if (dmsInlet.MoistureContentWetBase.HasValue)
{
double inletMaterialMoistureFlowRate = dmsInlet.MassFlowRate.Value * dmsInlet.MoistureContentWetBase.Value;
double outletMaterialMoistureFlowRate = inletMaterialMoistureFlowRate - moistureToGas + moistureOfMaterialFromGas;
double outletMoistureContentWetBase = outletMaterialMoistureFlowRate / dmsOutlet.MassFlowRate.Value;
Calculate(dmsOutlet.MoistureContentWetBase, outletMoistureContentWetBase);
solveState = SolveState.Solved;
}
else if (dmsOutlet.MoistureContentWetBase.HasValue)
{
double outletMaterialMoistureFlowRate = dmsOutlet.MassFlowRate.Value * dmsInlet.MoistureContentWetBase.Value;
double inletMaterialMoistureFlowRate = outletMaterialMoistureFlowRate + moistureToGas - moistureOfMaterialFromGas;
double inletMoistureContentWetBase = inletMaterialMoistureFlowRate / inletMassFlowRate;
Calculate(dmsInlet.MoistureContentWetBase, inletMoistureContentWetBase);
solveState = SolveState.Solved;
}
}
else if (dmsOutlet.MassConcentration.HasValue)
{
double cValue = dmsOutlet.MassConcentration.Value;
double inletMassFlowRate = (materialFromGas * (1 - cValue) + moistureToGas * cValue) / cValue;
Calculate(dmsInlet.MassFlowRate, inletMassFlowRate);
double outletMassFlowRate = inletMassFlowRate + materialFromGas - moistureToGas;
Calculate(dmsOutlet.MassFlowRate, outletMassFlowRate);
solveState = SolveState.Solved;
}
}
MoistureProperties moistureProperties = (this.unitOpSystem as EvaporationAndDryingSystem).GetMoistureProperties(((DryingMaterialStream)liquidInlet).MaterialComponents.Moisture.Substance);
double enthalpyOfMaterialFromGas = 0.0;
if (dmsOutlet.GetCpOfAbsoluteDryMaterial() != Constants.NO_VALUE && inletDustMoistureFraction != Constants.NO_VALUE && gasInlet.Temperature.HasValue)
{
double tempValue = gasInlet.Temperature.Value;
double liquidCp = moistureProperties.GetSpecificHeatOfLiquid(tempValue);
double specificHeatOfSolidPhase = (1.0 - inletDustMoistureFraction) * dmsOutlet.GetCpOfAbsoluteDryMaterial() + inletDustMoistureFraction * liquidCp;
enthalpyOfMaterialFromGas = materialFromGas * specificHeatOfSolidPhase * (tempValue - 273.15);
}
if (gasInlet.SpecificEnthalpy.HasValue && gasInlet.MassFlowRate.HasValue &&
gasOutlet.SpecificEnthalpy.HasValue && gasOutlet.MassFlowRate.HasValue)
{
double gasEnthalpyLoss = gasInlet.SpecificEnthalpy.Value * gasInlet.MassFlowRate.Value -
gasOutlet.SpecificEnthalpy.Value * gasOutlet.MassFlowRate.Value;
if (liquidInlet.SpecificEnthalpy.HasValue && liquidInlet.MassFlowRate.HasValue &&
liquidOutlet.MassFlowRate.HasValue)
{
double totalLiquidOutletEnthalpy = gasEnthalpyLoss + enthalpyOfMaterialFromGas + liquidInlet.SpecificEnthalpy.Value * liquidInlet.MassFlowRate.Value;
double specificLiquidOutletEnthalpy = totalLiquidOutletEnthalpy / liquidOutlet.MassFlowRate.Value;
Calculate(liquidOutlet.SpecificEnthalpy, specificLiquidOutletEnthalpy);
}
//else if (gasInlet.SpecificEnthalpy.HasValue && gasInlet.MassFlowRate.HasValue &&
// gasOutlet.SpecificEnthalpy.HasValue && gasOutlet.MassFlowRate.HasValue &&
// liquidOutlet.SpecificEnthalpy.HasValue && liquidOutlet.MassFlowRate.HasValue &&
// liquidInlet.MassFlowRate.HasValue) {
// double totalLiquidInletEnthalpy = liquidOutlet.SpecificEnthalpy.Value * liquidOutlet.MassFlowRate.Value - gasEnthalpyLoss - enthalpyOfMaterialFromGas;
// double specificLiquidInletEnthalpy = totalLiquidInletEnthalpy / liquidInlet.MassFlowRate.Value;
// Calculate(liquidInlet.SpecificEnthalpy, specificLiquidInletEnthalpy);
//}
}
else if (liquidInlet.SpecificEnthalpy.HasValue && liquidInlet.MassFlowRate.HasValue &&
liquidOutlet.SpecificEnthalpy.HasValue && liquidOutlet.MassFlowRate.HasValue)
{
double liquidEnthalpyLoss = liquidInlet.SpecificEnthalpy.Value * liquidInlet.MassFlowRate.Value -
liquidOutlet.SpecificEnthalpy.Value * liquidOutlet.MassFlowRate.Value;
if (gasInlet.SpecificEnthalpy.HasValue && gasInlet.MassFlowRate.HasValue &&
gasOutlet.MassFlowRate.HasValue)
{
double totalGasOutletEnthalpy = liquidEnthalpyLoss + gasInlet.SpecificEnthalpy.Value * gasInlet.MassFlowRate.Value + enthalpyOfMaterialFromGas;
double specificGasOutletEnthalpy = totalGasOutletEnthalpy / gasOutlet.MassFlowRate.Value;
Calculate(gasOutlet.SpecificEnthalpy, specificGasOutletEnthalpy);
}
//else if (gasOutlet.SpecificEnthalpy.HasValue && gasOutlet.MassFlowRate.HasValue &&
// gasInlet.MassFlowRate.HasValue) {
// double totalGasInletEnthalpy = gasOutlet.SpecificEnthalpy.Value * gasOutlet.MassFlowRate.Value - liquidEnthalpyLoss;
// double specificGasInletEnthalpy = totalGasInletEnthalpy / gasInlet.MassFlowRate.Value;
// Calculate(gasInlet.SpecificEnthalpy, specificGasInletEnthalpy);
//}
}
if (liquidToGasVolumeRatio.HasValue && gasInlet.VolumeFlowRate.HasValue)
{
//double recirculationVolumeFlow = liquidToGasVolumeRatio.Value * gasInlet.VolumeFlowRate.Value;
//Calculate(liquidRecirculationVolumeFlowRate, recirculationVolumeFlow);
//if (liquidOutlet.Density.HasValue) {
// double recirculationMassFlow = recirculationVolumeFlow / liquidOutlet.Density.Value;
// Calculate(liquidRecirculationMassFlowRate, recirculationMassFlow);
//}
}
}
public override void Execute(bool propagate)
{
//if dew point is known
//HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (dewPoint.HasValue)
{
if (relativeHumidity.HasValue && !temperature.IsSpecifiedAndHasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromDewPointAndRelativeHumidity(dewPoint.Value, relativeHumidity.Value));
}
else if (pressure.HasValue)
{
if (dewPoint.Value <= 1.0e-10 && !moistureContentDryBase.IsSpecifiedAndHasValue)
{
Calculate(moistureContentDryBase, 0);
}
else if (!moistureContentDryBase.IsSpecifiedAndHasValue)
{
Calculate(moistureContentDryBase, HumidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint.Value, pressure.Value));
}
}
//Pressure should always be known. So it should not be calculated
else if (moistureContentDryBase.HasValue)
{
//Calculate(pressure, humidGasCalculator.GetPressureFromDewPointAndHumidity(dewPoint.Value, humidity.Value));
}
}
//if humidity is known
if (moistureContentDryBase.HasValue)
{
if (pressure.HasValue && !dewPoint.IsSpecifiedAndHasValue)
{
Calculate(dewPoint, HumidGasCalculator.GetDewPointFromHumidityAndPressure(moistureContentDryBase.Value, pressure.Value));
}
//to prevent repeated calculation of the same variable
//if (relativeHumidity.HasValue && dewPoint.HasValue && !temperature.IsSpecifiedAndHasValue) {
if (relativeHumidity.HasValue && dewPoint.HasValue && !temperature.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromDewPointAndRelativeHumidity(dewPoint.Value, relativeHumidity.Value));
}
//to prevent repeated calculation of the same variable
//if (wetBulbTemperature.HasValue && pressure.HasValue && !temperature.IsSpecifiedAndHasValue) {
if (wetBulbTemperature.HasValue && pressure.HasValue && !temperature.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromWetBulbHumidityAndPressure(wetBulbTemperature.Value, moistureContentDryBase.Value, pressure.Value));
}
}
//to prevent repeated calculation of the same variable
//if (wetBulbTemperature.HasValue && relativeHumidity.HasValue && pressure.HasValue
// && !temperature.IsSpecifiedAndHasValue) {
if (wetBulbTemperature.HasValue && relativeHumidity.HasValue && pressure.HasValue &&
!temperature.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromWetBulbRelativeHumidityAndPressure(wetBulbTemperature.Value, relativeHumidity.Value, pressure.Value));
}
double humidEnthalpyValue;
double mcDryBase = moistureContentDryBase.Value;
if (specificEnthalpy.HasValue && moistureContentDryBase.HasValue && !specificEnthalpyDryBase.HasValue)
{
Calculate(specificEnthalpyDryBase, specificEnthalpy.Value * (1.0 + mcDryBase));
}
//if (specificEnthalpyDryBase.HasValue && pressure.HasValue && !temperature.IsSpecifiedAndHasValue) {
if (specificEnthalpyDryBase.HasValue && pressure.HasValue && !temperature.HasValue)
{
if (moistureContentDryBase.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(specificEnthalpyDryBase.Value, moistureContentDryBase.Value, pressure.Value));
}
else if (relativeHumidity.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromHumidEnthalpyRelativeHumidityAndPressure(specificEnthalpyDryBase.Value, relativeHumidity.Value, pressure.Value));
}
else if (dewPoint.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromHumidEnthalpyDewPointAndPressure(specificEnthalpyDryBase.Value, relativeHumidity.Value, pressure.Value));
}
else if (wetBulbTemperature.HasValue)
{
Calculate(temperature, HumidGasCalculator.GetDryBulbFromHumidEnthalpyWetBulbAndPressure(specificEnthalpyDryBase.Value, wetBulbTemperature.Value, pressure.Value));
}
}
//if temperature is first known
if (temperature.HasValue)
{
if (dewPoint.HasValue || relativeHumidity.HasValue)
{
if (dewPoint.HasValue && !relativeHumidity.IsSpecifiedAndHasValue)
{
Calculate(relativeHumidity, HumidGasCalculator.GetRelativeHumidityFromDryBulbAndDewPoint(temperature.Value, dewPoint.Value));
}
else if (relativeHumidity.HasValue && !dewPoint.IsSpecifiedAndHasValue)
{
Calculate(dewPoint, HumidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature.Value, relativeHumidity.Value));
}
if (pressure.HasValue)
{
if (!moistureContentDryBase.IsSpecifiedAndHasValue)
{
Calculate(moistureContentDryBase, HumidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint.Value, pressure.Value));
}
if (!wetBulbTemperature.IsSpecifiedAndHasValue)
{
Calculate(wetBulbTemperature, HumidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value));
//double satTemp = humidGasCalculator.GetSatTempFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value);
}
}
else if (moistureContentDryBase.HasValue)
{
if (!pressure.IsSpecifiedAndHasValue)
{
Calculate(pressure, HumidGasCalculator.GetPressureFromDewPointAndHumidity(dewPoint.Value, moistureContentDryBase.Value));
}
if (!wetBulbTemperature.IsSpecifiedAndHasValue)
{
Calculate(wetBulbTemperature, HumidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value));
//double satTemp = humidGasCalculator.GetSatTempFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value);
}
}
}
else if (wetBulbTemperature.HasValue && pressure.HasValue)
{
if (!moistureContentDryBase.IsSpecifiedAndHasValue)
{
Calculate(moistureContentDryBase, HumidGasCalculator.GetHumidityFromDryBulbWetBulbAndPressure(temperature.Value, wetBulbTemperature.Value, pressure.Value));
}
if (!relativeHumidity.IsSpecifiedAndHasValue)
{
Calculate(relativeHumidity, HumidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value));
}
if (!dewPoint.IsSpecifiedAndHasValue)
{
Calculate(dewPoint, HumidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature.Value, relativeHumidity.Value));
}
}
else if (moistureContentDryBase.HasValue && pressure.HasValue)
{
if (!wetBulbTemperature.IsSpecifiedAndHasValue)
{
Calculate(wetBulbTemperature, HumidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value));
//double satTemp = humidGasCalculator.GetSatTempFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value);
}
if (!relativeHumidity.IsSpecifiedAndHasValue)
{
Calculate(relativeHumidity, HumidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value));
}
if (!dewPoint.IsSpecifiedAndHasValue)
{
Calculate(dewPoint, HumidGasCalculator.GetDewPointFromDryBulbAndRelativeHumidity(temperature.Value, relativeHumidity.Value));
}
}
else if (wetBulbTemperature.HasValue && moistureContentDryBase.HasValue)
{
//if (!pressure.IsSpecifiedAndHasValue) {
// Calculate(pressure, humidGasCalculator.GetPressureFromDryBulbWetBulbAndHumidity(temperature.Value, wetBulbTemperature.Value, moistureContentDryBase.Value));
//}
if (!dewPoint.IsSpecifiedAndHasValue)
{
Calculate(dewPoint, HumidGasCalculator.GetDewPointFromHumidityAndPressure(temperature.Value, pressure.Value));
}
if (!relativeHumidity.IsSpecifiedAndHasValue)
{
Calculate(relativeHumidity, HumidGasCalculator.GetRelativeHumidityFromDryBulbAndDewPoint(temperature.Value, dewPoint.Value));
}
}
}
mcDryBase = moistureContentDryBase.Value;
if (moistureContentDryBase.HasValue && temperature.HasValue)
{
double cpDryBase = HumidGasCalculator.GetHumidHeat(moistureContentDryBase.Value, temperature.Value);
Calculate(specificHeatDryBase, cpDryBase);
Calculate(specificHeat, cpDryBase / (1.0 + mcDryBase));
if (pressure.HasValue)
{
double humidVolumeValue = HumidGasCalculator.GetHumidVolume(temperature.Value, moistureContentDryBase.Value, pressure.Value);
Calculate(humidVolume, humidVolumeValue);
humidEnthalpyValue = HumidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(temperature.Value, moistureContentDryBase.Value, pressure.Value);
Calculate(specificEnthalpyDryBase, humidEnthalpyValue);
Calculate(specificEnthalpy, humidEnthalpyValue / (1.0 + mcDryBase));
Calculate(density, (1.0 + mcDryBase) / humidVolumeValue);
}
}
CalculateFlow();
//if (temperature.HasValue && pressure.HasValue && massFlowRate.HasValue &&
// volumeFlowRate.HasValue && massFlowRateDryBase.HasValue && wetBulbTemperature.HasValue &&
// dewPoint.HasValue && moistureContentDryBase.HasValue && relativeHumidity.HasValue &&
// density.HasValue && specificEnthalpy.HasValue && specificHeatDryBase.HasValue) {
// solveState = SolveState.Solved;
//}
bool hasUnsolvedVar = false;
foreach (ProcessVarDouble pv in varList)
{
if (!pv.HasValue)
{
hasUnsolvedVar = true;
break;
}
}
if (!hasUnsolvedVar)
{
solveState = SolveState.Solved;
}
//else
//{
// foreach (ProcessVarDouble pv in varList)
// {
// if (!pv.IsSpecified && pv.HasValue)
// {
// solveState = SolveState.PartiallySolved;
// break;
// }
// }
//}
if (HasSolvedAlready)
{
DryingGasComponents dgc = (DryingGasComponents)materialComponents;
//we cannot do a calculate operation since these variables are not in the
//varList and they cannot be erased after they are initially calculated
dgc.DryMedium.SetMassFractionValue(1.0 / (1.0 + Humidity.Value));
dgc.Moisture.SetMassFractionValue(Humidity.Value / (1.0 + Humidity.Value));
dgc.ComponentsFractionsChanged();
}
AdjustVarsStates();
OnSolveComplete();
}
protected override ErrorMessage CheckSpecifiedValueRange(ProcessVarDouble pv, double aValue)
{
ErrorMessage retValue = base.CheckSpecifiedValueRange(pv, aValue);
if (retValue != null)
{
return(retValue);
}
string valueString = aValue.ToString();
if (pv == temperature)
{
if (wetBulbTemperature.IsSpecifiedAndHasValue && aValue < wetBulbTemperature.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is less than " + wetBulbTemperature.VarTypeName + " and therefore cannot be committed.");
}
else if (dewPoint.IsSpecifiedAndHasValue && aValue < dewPoint.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is less than " + dewPoint.VarTypeName + " and therefore cannot be committed.");
}
}
else if (pv == wetBulbTemperature)
{
if (temperature.IsSpecifiedAndHasValue && aValue > temperature.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is greater than " + temperature.VarTypeName + " and therefore cannot be committed.");
}
else if (dewPoint.IsSpecifiedAndHasValue && aValue < dewPoint.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is less than than " + dewPoint.VarTypeName + " and therefore cannot be committed.");
}
}
else if (pv == dewPoint)
{
if (temperature.IsSpecifiedAndHasValue && aValue > temperature.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is greater than " + temperature.VarTypeName + " and therefore cannot be committed.");
}
else if (wetBulbTemperature.IsSpecifiedAndHasValue && aValue > wetBulbTemperature.Value)
{
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("Specified " + pv.VarTypeName + " value is greater than " + wetBulbTemperature.VarTypeName + " and therefore cannot be committed.");
}
}
else if (pv == Humidity)
{
if (aValue < 0)
{
retValue = CreateLessThanZeroErrorMessage(pv);
}
else if (pressure.HasValue)
{
double maxHumidity = 1000.0;
//HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (temperature.HasValue)
{
maxHumidity = HumidGasCalculator.GetHumidityFromDewPointAndPressure(temperature.Value, pressure.Value);
}
else if (wetBulbTemperature.HasValue)
{
maxHumidity = HumidGasCalculator.GetHumidityFromDewPointAndPressure(wetBulbTemperature.Value, pressure.Value);
}
else if (dewPoint.HasValue)
{
maxHumidity = HumidGasCalculator.GetHumidityFromDewPointAndPressure(dewPoint.Value, pressure.Value);
}
if (aValue > maxHumidity)
{
aValue = maxHumidity;
retValue = CreateSimpleGenericInappropriateSpecifiedValueErrorMessage("The maximum " + pv.VarTypeName + " value under current conditions is " + aValue.ToString() + ".\n Specified value " + valueString + " is greater than the maximum and therefore cannot be committed.");
}
}
}
else if (pv == relativeHumidity)
{
if (aValue < 0 || aValue > 1.0)
{
retValue = CreateOutOfRangeZeroToOneErrorMessage(pv);
}
}
if (retValue == null)
{
retValue = CheckSpecifiedValueInContextOfOwner(pv, aValue);
}
return(retValue);
}
private void Solve()
{
ProcessStreamBase inletStream;
double totalFlow = 0.0;
//double totalFlowDryBase = 0.0;
double temp;
int numOfUnknownFlow = 0;
//int numOfUnknownFlowDryBase = 0;
int unknownFlowIndex = -1;
//int unknownFlowDryBaseIndex = -1;
DryingStream dryingStream;
DryingStream dsInlet;
DryingStream dsOutlet = null;
if (outlet is DryingStream)
{
dsOutlet = outlet as DryingStream;
}
int knownIndex = -1;
int numOfKnown = 0;
ProcessStreamBase stream;
/*for (int i = 0; i < InOutletStreams.Count; i++) {
* stream = InOutletStreams[i] as ProcessStreamBase;
* if (stream.Pressure.HasValue) {
* knownIndex = i;
* numOfKnown++;
* }
* }
*
* if (numOfKnown == 1) {
* stream = InOutletStreams[knownIndex] as ProcessStreamBase;
* temp = stream.Pressure.Value;
* for (int i = 0; i < InOutletStreams.Count; i++) {
* stream = InOutletStreams[i] as ProcessStreamBase;
* if (i != knownIndex) {
* Calculate(stream.Pressure, temp);
* stream.Execute(false);
* }
* }
* }*/
numOfKnown = 0;
DryingMaterialStream matStream;
if (outlet is DryingMaterialStream)
{
for (int i = 0; i < InOutletStreams.Count; i++)
{
matStream = InOutletStreams[i] as DryingMaterialStream;
if (matStream.SpecificHeatAbsDry.HasValue)
{
knownIndex = i;
numOfKnown++;
}
}
if (numOfKnown == 1)
{
matStream = InOutletStreams[knownIndex] as DryingMaterialStream;
temp = matStream.SpecificHeatAbsDry.Value;
for (int i = 0; i < InOutletStreams.Count; i++)
{
matStream = InOutletStreams[i] as DryingMaterialStream;
if (i != knownIndex)
{
Calculate(matStream.SpecificHeatAbsDry, temp);
matStream.Execute(false);
}
}
}
}
//flow balance
for (int i = 0; i < inletStreams.Count; i++)
{
inletStream = inletStreams[i] as ProcessStreamBase;
if (inletStream.MassFlowRate.HasValue)
{
totalFlow += inletStream.MassFlowRate.Value;
}
else
{
unknownFlowIndex = i;
numOfUnknownFlow++;
}
}
if (numOfUnknownFlow == 1 && outlet.MassFlowRate.HasValue)
{
inletStream = inletStreams[unknownFlowIndex] as ProcessStreamBase;
//if (outlet.MassFlowRate.Value > totalFlow && inletStream.MassFlowRate.IsSpecifiedAndHasNoValue)
if (outlet.MassFlowRate.Value > totalFlow && !inletStream.MassFlowRate.HasValue)
{
Calculate(inletStream.MassFlowRate, (outlet.MassFlowRate.Value - totalFlow));
}
}
else if (numOfUnknownFlow == 0)
{
Calculate(outlet.MassFlowRate, totalFlow);
}
double inletTotal = 0.0;
int numOfUnknownInlet = 0;
int unknownInletIndex = -1;
//moisture content balance
if (outlet is DryingStream)
{
double mcDryBase;
double mcWetBase;
for (int i = 0; i < inletStreams.Count; i++)
{
dsInlet = inletStreams[i] as DryingStream;
mcWetBase = Constants.NO_VALUE;
if (dsInlet.MoistureContentWetBase.HasValue)
{
mcWetBase = dsInlet.MoistureContentWetBase.Value;
}
else if (dsInlet.MoistureContentDryBase.HasValue)
{
mcDryBase = dsInlet.MoistureContentDryBase.Value;
mcWetBase = mcDryBase / (1.0 + mcDryBase);
}
if (dsInlet.MassFlowRate.HasValue && mcWetBase != Constants.NO_VALUE)
{
//inletTotal += dsInlet.MassFlowRate.Value * mcDryBase/(1.0 + mcDryBase);
inletTotal += dsInlet.MassFlowRate.Value * mcWetBase;
}
else
{
unknownInletIndex = i;
numOfUnknownInlet++;
}
}
mcDryBase = dsOutlet.MoistureContentDryBase.Value;
if (numOfUnknownInlet == 1 &&
dsOutlet.MassFlowRate.HasValue && mcDryBase != Constants.NO_VALUE)
{
dsInlet = inletStreams[unknownInletIndex] as DryingStream;
double outletMoisture = dsOutlet.MassFlowRate.Value * mcDryBase / (1.0 + mcDryBase);
if (outletMoisture > inletTotal)
{
//if (dsInlet.MassFlowRate.HasValue && dsInlet.MoistureContentWetBase.IsSpecifiedAndHasNoValue) {
if (dsInlet.MassFlowRate.HasValue && !dsInlet.MoistureContentWetBase.HasValue)
{
mcWetBase = (outletMoisture - inletTotal) / dsInlet.MassFlowRate.Value;
Calculate(dsInlet.MoistureContentWetBase, mcWetBase);
}
//else if (dsInlet.MassFlowRate.HasValue && dsInlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
else if (dsInlet.MassFlowRate.HasValue && !dsInlet.MoistureContentDryBase.HasValue)
{
mcWetBase = (outletMoisture - inletTotal) / dsInlet.MassFlowRate.Value;
Calculate(dsInlet.MoistureContentDryBase, mcWetBase / (1.0 - mcWetBase));
}
//else if (dsInlet.MassFlowRateDryBase.HasValue && dsInlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
else if (dsInlet.MassFlowRateDryBase.HasValue && !dsInlet.MoistureContentDryBase.HasValue)
{
mcDryBase = (outletMoisture - inletTotal) / dsInlet.MassFlowRateDryBase.Value;
Calculate(dsInlet.MoistureContentDryBase, mcDryBase);
}
//else if (dsInlet.MoistureContentDryBase.HasValue && dsInlet.MassFlowRateDryBase.IsSpecifiedAndHasNoValue) {
else if (dsInlet.MoistureContentDryBase.HasValue && !dsInlet.MassFlowRateDryBase.HasValue)
{
double massFlowDryBase = (outletMoisture - inletTotal) / dsInlet.MoistureContentDryBase.Value;
Calculate(dsInlet.MassFlowRateDryBase, massFlowDryBase);
}
//else if (dsInlet.MoistureContentDryBase.HasValue && dsInlet.MassFlowRate.IsSpecifiedAndHasNoValue) {
else if (dsInlet.MoistureContentDryBase.HasValue && !dsInlet.MassFlowRate.HasValue)
{
mcDryBase = dsInlet.MoistureContentDryBase.Value;
double massFlow = (outletMoisture - inletTotal) / mcDryBase * (1.0 + mcDryBase);
Calculate(dsInlet.MassFlowRate, massFlow);
}
}
}
else if (numOfUnknownInlet == 0)
{
//if (dsOutlet.MassFlowRate.HasValue && dsOutlet.MoistureContentWetBase.IsSpecifiedAndHasNoValue) {
if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.MoistureContentWetBase.HasValue)
{
mcWetBase = inletTotal / dsOutlet.MassFlowRate.Value;
Calculate(dsOutlet.MoistureContentWetBase, mcWetBase);
}
//else if (dsOutlet.MassFlowRate.HasValue && dsOutlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
else if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.MoistureContentDryBase.HasValue)
{
mcWetBase = inletTotal / dsOutlet.MassFlowRate.Value;
Calculate(dsOutlet.MoistureContentDryBase, mcWetBase / (1.0 - mcWetBase));
}
//else if (dsOutlet.MassFlowRateDryBase.HasValue && dsOutlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
else if (dsOutlet.MassFlowRateDryBase.HasValue && !dsOutlet.MoistureContentDryBase.HasValue)
{
mcDryBase = inletTotal / dsOutlet.MassFlowRateDryBase.Value;
Calculate(dsOutlet.MoistureContentDryBase, mcDryBase);
}
//else if (dsOutlet.MoistureContentDryBase.HasValue && dsOutlet.MassFlowRateDryBase.IsSpecifiedAndHasNoValue) {
else if (dsOutlet.MoistureContentDryBase.HasValue && !dsOutlet.MassFlowRateDryBase.HasValue)
{
double massFlowDryBase = inletTotal / dsOutlet.MoistureContentDryBase.Value;
Calculate(dsOutlet.MassFlowRateDryBase, massFlowDryBase);
}
//else if (dsOutlet.MoistureContentDryBase.HasValue && dsOutlet.MassFlowRate.IsSpecifiedAndHasNoValue) {
else if (dsOutlet.MoistureContentDryBase.HasValue && !dsOutlet.MassFlowRate.HasValue)
{
mcDryBase = dsOutlet.MoistureContentDryBase.Value;
double massFlow = inletTotal / mcDryBase * (1.0 + mcDryBase);
Calculate(dsOutlet.MassFlowRate, massFlow);
}
}
}
inletTotal = 0.0;
numOfUnknownInlet = 0;
unknownInletIndex = -1;
double inletTotalDryBase = 0.0;
int numOfUnknownInletDryBase = 0;
int unknownInletIndexDryBase = -1;
//double cpDryBase;
//double cpWetBase;
for (int i = 0; i < inletStreams.Count; i++)
{
inletStream = inletStreams[i] as ProcessStreamBase;
if (inletStream.MassFlowRate.HasValue && inletStream.SpecificEnthalpy.HasValue)
{
inletTotal += inletStream.MassFlowRate.Value * inletStream.SpecificEnthalpy.Value;
}
else
{
unknownInletIndex = i;
numOfUnknownInlet++;
}
if (outlet is DryingStream)
{
dsInlet = inletStream as DryingStream;
if (dsInlet.MassFlowRateDryBase.HasValue && dsInlet.SpecificEnthalpyDryBase.HasValue)
{
inletTotalDryBase += dsInlet.MassFlowRateDryBase.Value * dsInlet.SpecificEnthalpyDryBase.Value;
}
else
{
unknownInletIndexDryBase = i;
numOfUnknownInletDryBase++;
}
}
}
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (numOfUnknownInletDryBase == 1 &&
(dsOutlet.MassFlowRate.HasValue && dsOutlet.SpecificEnthalpy.HasValue))
{
dsInlet = inletStreams[unknownInletIndexDryBase] as DryingStream;
//cpDryBase = dsInlet.SpecificHeatDryBase.Value;
//if (cpDryBase == Constants.NO_VALUE && dsInlet is DryingGasStream && dsInlet.MoistureContentDryBase.HasValue) {
// cpDryBase = humidGasCalculator.GetHumidHeat(dsInlet.MoistureContentDryBase.Value);
//}
double outletEnergy = dsOutlet.MassFlowRate.Value * dsOutlet.SpecificEnthalpy.Value;
if (outletEnergy > inletTotalDryBase)
{
if (dsInlet.MassFlowRate.HasValue && !dsInlet.SpecificEnthalpy.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.MassFlowRate.Value;
Calculate(dsInlet.SpecificEnthalpy, temp);
}
else if (dsInlet.MassFlowRateDryBase.HasValue && !dsInlet.SpecificEnthalpyDryBase.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.MassFlowRateDryBase.Value;
Calculate(dsInlet.SpecificEnthalpyDryBase, temp);
}
else if (dsInlet.SpecificEnthalpy.HasValue && !dsInlet.MassFlowRate.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.SpecificEnthalpy.Value;
Calculate(dsInlet.MassFlowRate, temp);
}
else if (dsInlet.SpecificEnthalpyDryBase.HasValue && !dsInlet.MassFlowRateDryBase.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.SpecificEnthalpyDryBase.Value;
Calculate(dsInlet.MassFlowRateDryBase, temp);
}
}
}
else if (numOfUnknownInletDryBase == 0)
{
dsOutlet.Execute(false);
if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.SpecificEnthalpy.HasValue)
{
temp = inletTotalDryBase / dsOutlet.MassFlowRate.Value;
Calculate(dsOutlet.SpecificEnthalpy, temp);
}
if (dsOutlet.MassFlowRateDryBase.HasValue && !dsOutlet.SpecificEnthalpyDryBase.HasValue)
{
temp = inletTotalDryBase / dsOutlet.MassFlowRateDryBase.Value;
Calculate(dsOutlet.SpecificEnthalpyDryBase, temp);
}
else if (dsOutlet.SpecificEnthalpy.HasValue && !dsOutlet.MassFlowRate.HasValue)
{
temp = inletTotalDryBase / dsOutlet.SpecificEnthalpy.Value;
Calculate(dsOutlet.MassFlowRate, temp);
}
else if (dsOutlet.SpecificEnthalpyDryBase.HasValue && !dsOutlet.MassFlowRateDryBase.HasValue)
{
temp = inletTotalDryBase / dsOutlet.SpecificEnthalpyDryBase.Value;
Calculate(dsOutlet.MassFlowRateDryBase, temp);
}
}
else if (numOfUnknownInlet == 1 && outlet.MassFlowRate.HasValue && outlet.SpecificEnthalpy.HasValue &&
outlet.SpecificHeat.HasValue)
{
inletStream = inletStreams[unknownInletIndex] as ProcessStreamBase;
double outletEnergy = outlet.MassFlowRate.Value * outlet.Temperature.Value * outlet.SpecificHeat.Value;
if (outletEnergy > inletTotal)
{
if (inletStream.MassFlowRate.HasValue && !inletStream.SpecificEnthalpy.HasValue)
{
temp = (outletEnergy - inletTotal) / inletStream.MassFlowRate.Value;
Calculate(inletStream.SpecificEnthalpy, temp);
}
else if (inletStream.SpecificEnthalpy.HasValue && !inletStream.MassFlowRate.HasValue)
{
temp = (outletEnergy - inletTotal) / inletStream.SpecificEnthalpy.Value;
Calculate(inletStream.MassFlowRate, temp);
}
}
}
else if (numOfUnknownInlet == 0)
{
if (outlet.MassFlowRate.HasValue && !outlet.SpecificEnthalpy.HasValue)
{
temp = inletTotal / outlet.MassFlowRate.Value;
Calculate(outlet.SpecificEnthalpy, temp);
}
else if (outlet.SpecificEnthalpy.HasValue && !outlet.MassFlowRate.HasValue)
{
temp = inletTotal / outlet.SpecificEnthalpy.Value;
Calculate(outlet.MassFlowRate, temp);
}
}
int numOfKnownMassFlow = 0;
int numOfKnownPressure = 0;
int numOfKnownTemperature = 0;
int numOfKnownMoistureContent = 0;
int numOfStrms = InOutletStreams.Count;
for (int i = 0; i < numOfStrms; i++)
{
stream = InOutletStreams[i] as ProcessStreamBase;
if (stream.MassFlowRate.HasValue)
{
numOfKnownMassFlow++;
}
if (stream.Pressure.HasValue)
{
numOfKnownPressure++;
}
if (stream.SpecificEnthalpy.HasValue)
{
numOfKnownTemperature++;
}
if (outlet is DryingStream)
{
dryingStream = stream as DryingStream;
if (dryingStream.MoistureContentDryBase.HasValue || dryingStream.MoistureContentWetBase.HasValue)
{
numOfKnownMoistureContent++;
}
}
}
if (numOfKnownMassFlow == numOfStrms && numOfKnownTemperature == numOfStrms)
{
if (outlet is ProcessStream && numOfKnownPressure == numOfStrms)
{
solveState = SolveState.Solved;
}
else if (outlet is DryingGasStream && numOfKnownPressure == numOfStrms && numOfKnownMoistureContent == numOfStrms)
{
solveState = SolveState.Solved;
}
else if (outlet is DryingMaterialStream && numOfKnownMoistureContent == numOfStrms)
{
solveState = SolveState.Solved;
}
}
}
private void Solve()
{
SubstanceCatalog catalog = SubstanceCatalog.GetInstance();
Substance carbon = catalog.GetSubstance("carbon");
Substance hydrogen = catalog.GetSubstance("hydrogen");
Substance oxygen = catalog.GetSubstance("oxygen");
Substance sulfur = catalog.GetSubstance("sulfur");
Substance air = catalog.GetSubstance("air");
Substance carbonDioxide = catalog.GetSubstance("carbon dioxide");
Substance sulfurDioxide = catalog.GetSubstance("sulfur dioxide");
Substance water = catalog.GetSubstance("water");
Substance nitrogen = catalog.GetSubstance("nitrogen");
Substance argon = catalog.GetSubstance("argon");
//Substance ash = SubstanceCatalog.GetInstance().GetSubstance("ash");
double totalEenthalpyOfReactantInFuelInlet = 0;
double moleFractionCarbon = 0;
double moleFractionHydrogen = 0;
double moleFractionSulfur = 0;
double moleFractionOxygen = 0;
//double massAsh = 0;
double moleFractionCarbonDioxide = 0;
double moleFractionNitrogen = 0;
MaterialComponents components = fuelInlet.Components;
MaterialComponent component;
Substance mySubstance;
double myMassFraction;
if (fuelInlet is GenericFuelStream)
{
for (int i = 0; i < components.Count; i++)
{
component = components[i];
mySubstance = component.Substance;
myMassFraction = component.MassFraction.Value;
if (mySubstance == carbon)
{
moleFractionCarbon = myMassFraction / carbon.MolarWeight;
}
else if (mySubstance == hydrogen)
{
moleFractionHydrogen = 0.5 * myMassFraction / hydrogen.MolarWeight;
}
else if (mySubstance == oxygen)
{
moleFractionOxygen = myMassFraction / oxygen.MolarWeight;
}
else if (mySubstance == sulfur)
{
moleFractionSulfur = myMassFraction / sulfur.MolarWeight;
}
//else if (component.Substance == ash) {
// massAsh = myMassFraction;
//}
}
}
else if (fuelInlet is DetailedFuelStream)
{
totalEenthalpyOfReactantInFuelInlet = 0;
moleFractionCarbon = 0;
moleFractionHydrogen = 0;
moleFractionOxygen = 0;
moleFractionSulfur = 0;
SubstanceFormula formula;
string[] elements;
int elementCount;
double t = fuelInlet.Temperature.Value;
for (int i = 0; i < components.Count; i++)
{
component = components[i];
mySubstance = component.Substance;
myMassFraction = component.MassFraction.Value;
if (mySubstance == carbonDioxide)
{
moleFractionCarbonDioxide = myMassFraction / carbonDioxide.MolarWeight;
}
else if (mySubstance == nitrogen)
{
moleFractionNitrogen = myMassFraction / nitrogen.MolarWeight;
}
else
{
totalEenthalpyOfReactantInFuelInlet += myMassFraction * ThermalPropCalculator.Instance.CalculateEnthalpyOfFormation(t, mySubstance);
formula = mySubstance.Formula;
elements = formula.Elements;
foreach (string element in elements)
{
elementCount = formula.GetElementCount(element);
if (element == "C")
{
moleFractionCarbon += elementCount * myMassFraction / carbon.MolarWeight;
}
else if (element == "H")
{
moleFractionHydrogen += elementCount * 0.25 * myMassFraction / hydrogen.MolarWeight;
}
else if (element == "O")
{
moleFractionOxygen = elementCount * 0.5 * myMassFraction / oxygen.MolarWeight;
}
else if (element == "S")
{
moleFractionSulfur += elementCount * myMassFraction / sulfur.MolarWeight;
}
}
}
}
}
double fuelMassFlowRate = fuelInlet.MassFlowRate.Value;
double moleFractionOxygenNeeded = moleFractionCarbon + moleFractionHydrogen + moleFractionSulfur - moleFractionOxygen;
double totalExactOxygenMassNeeded = fuelMassFlowRate * moleFractionOxygenNeeded * oxygen.MolarWeight;
double totalOxygenMoleNeeded = fuelMassFlowRate * moleFractionOxygenNeeded * (1.0 + excessAir.Value);
double totalDryAirMassNeeded = totalOxygenMoleNeeded * air.MolarWeight / 0.21;
double totalMoistureMassCarriedByInletAir = totalDryAirMassNeeded * airInlet.Humidity.Value;
double totalAirMassNeeded = totalDryAirMassNeeded + totalMoistureMassCarriedByInletAir;
Calculate(airInlet.MassFlowRate, totalAirMassNeeded);
double totalMoitureGeneratedByReaction = fuelMassFlowRate * moleFractionHydrogen * water.MolarWeight;
double totalMoistureInFlueGas = totalMoitureGeneratedByReaction + totalMoistureMassCarriedByInletAir;
double totalDryFlueGas = totalDryAirMassNeeded + fuelMassFlowRate - totalMoitureGeneratedByReaction;
double totalFlueGasGenerated = totalDryFlueGas + totalMoistureInFlueGas;
Calculate(flueGasOutlet.MassFlowRate, totalFlueGasGenerated);
double flueGasMoistureContentDryBase = totalMoistureInFlueGas / totalDryFlueGas;
Calculate(flueGasOutlet.Humidity, flueGasMoistureContentDryBase);
ArrayList componentList = new ArrayList();
double massFractionCarbonDioxide = fuelMassFlowRate * (moleFractionCarbon + moleFractionCarbonDioxide) * carbonDioxide.MolarWeight / totalDryFlueGas;
componentList.Add(new MaterialComponent(carbonDioxide, massFractionCarbonDioxide));
double massFractionNitrogen = (totalDryAirMassNeeded * 0.78 + fuelMassFlowRate * moleFractionNitrogen) / totalDryFlueGas;
componentList.Add(new MaterialComponent(nitrogen, massFractionNitrogen));
double massFractionSulfurDioxide = fuelMassFlowRate * moleFractionSulfur * sulfurDioxide.MolarWeight / totalDryFlueGas;
componentList.Add(new MaterialComponent(sulfurDioxide, massFractionSulfurDioxide));
double massFractionOxygen = fuelMassFlowRate * moleFractionOxygenNeeded * excessAir.Value * oxygen.MolarWeight / totalDryFlueGas;
componentList.Add(new MaterialComponent(oxygen, massFractionOxygen));
double massFractionArgon = totalDryAirMassNeeded * 0.01 / totalDryFlueGas;
componentList.Add(new MaterialComponent(argon, massFractionArgon));
CompositeSubstance flueGas = new CompositeSubstance("Flue Gas", componentList);
MaterialComponents flueGasComponents = new MaterialComponents();
flueGasComponents.Add(new MaterialComponent(flueGas, 1 / (1 + flueGasMoistureContentDryBase)));
flueGasComponents.Add(new MaterialComponent(water, flueGasMoistureContentDryBase / (1 + flueGasMoistureContentDryBase)));
flueGasOutlet.Components = flueGasComponents;
double fuelInletEnthalpy = fuelMassFlowRate * fuelInlet.SpecificEnthalpy.Value;
double airInletEnthalpy = totalAirMassNeeded * airInlet.SpecificEnthalpy.Value;
double totalHeatGenerated = Constants.NO_VALUE;
if (fuelInlet is GenericFuelStream)
{
GenericFuelStream gfs = fuelInlet as GenericFuelStream;
if (gfs.HeatValue.HasValue)
{
//total heat genrate eaquls to heat value of the fuel times fuelMassFlowRate
totalHeatGenerated = gfs.HeatValue.Value * fuelMassFlowRate;
double totalFlueGasSpecificEnthalpy = (fuelInletEnthalpy + airInletEnthalpy + totalHeatGenerated) / totalFlueGasGenerated;
Calculate(flueGasOutlet.SpecificEnthalpy, totalFlueGasSpecificEnthalpy);
}
}
else if (fuelInlet is DetailedFuelStream)
{
HumidGasCalculator humidGasCalculator = new HumidGasCalculator(flueGas, water);
ThermalPropCalculator propCalculator = ThermalPropCalculator.Instance;
double totalEenthalpyOfProductCarbonDioxide;
double totalEenthalpyOfProductWater;
double totalEenthalpyOfProductSulfer;
double totalEenthalpyOfProduct;
double totalFlueGasSpecificEnthalpy;
double t = fuelInlet.Temperature.Value;;
totalEenthalpyOfReactantInFuelInlet *= fuelMassFlowRate;
double totalEnthalpyOfReactantOxygen = totalExactOxygenMassNeeded * propCalculator.CalculateEnthalpyOfFormation(t, oxygen);
double totalEenthalpyOfReactants = totalEenthalpyOfReactantInFuelInlet + totalEnthalpyOfReactantOxygen;
double p = flueGasOutlet.Pressure.Value;
double tNew = t;
int counter = 0;
do
{
counter++;
t = tNew;
totalEenthalpyOfProductCarbonDioxide = fuelMassFlowRate * moleFractionCarbon * propCalculator.CalculateEnthalpyOfFormation(t, carbonDioxide);
totalEenthalpyOfProductWater = fuelMassFlowRate * moleFractionHydrogen * propCalculator.CalculateEnthalpyOfFormation(t, water);
totalEenthalpyOfProductSulfer = fuelMassFlowRate * moleFractionSulfur * propCalculator.CalculateEnthalpyOfFormation(t, sulfurDioxide);
totalEenthalpyOfProduct = totalEenthalpyOfProductCarbonDioxide + totalEenthalpyOfProductWater + totalEenthalpyOfProductSulfer;
totalHeatGenerated = totalEenthalpyOfProduct - totalEenthalpyOfReactants;
totalFlueGasSpecificEnthalpy = (fuelInletEnthalpy + airInletEnthalpy + totalHeatGenerated) / totalFlueGasGenerated;
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(totalFlueGasSpecificEnthalpy, flueGasMoistureContentDryBase, p);
} while (Math.Abs(tNew - t) < 1.0e-6 && counter < 100);
if (counter == 100)
{
}
Calculate(flueGasOutlet.Temperature, tNew);
}
}
private void Solve()
{
double p = pressure.Value;
double tg1 = inputStream.Temperature.Value;
double y1 = inputStream.Humidity.Value;
double tw1 = inputStream.WetBulbTemperature.Value;
double td1 = inputStream.DewPoint.Value;
double fy1 = inputStream.RelativeHumidity.Value;
double tg2 = outputStream.Temperature.Value;
double y2 = outputStream.Humidity.Value;
double tw2 = outputStream.WetBulbTemperature.Value;
double td2 = outputStream.DewPoint.Value;
double fy2 = outputStream.RelativeHumidity.Value;
double ih = 0;
if (inputStream.Pressure.Value != p)
{
Calculate(inputStream.Pressure, p);
}
if (outputStream.Pressure.Value != p)
{
Calculate(outputStream.Pressure, p);
}
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (tg1 != Constants.NO_VALUE && y1 != Constants.NO_VALUE)
{
//wetBulb = humidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(tg1, y1, p);
ih = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(tg1, y1, p);
if (tg2 != Constants.NO_VALUE)
{
y2 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg2, p);
if (y2 <= 0.0)
{
y2 = 1.0e-6;
}
Calculate(outputStream.MoistureContentDryBase, y2);
solveState = SolveState.Solved;
}
else if (y2 != Constants.NO_VALUE)
{
tg2 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y2, p);
Calculate(outputStream.Temperature, tg2);
solveState = SolveState.Solved;
}
else if (td2 != Constants.NO_VALUE)
{
y2 = humidGasCalculator.GetHumidityFromDewPointAndPressure(td2, p);
tg2 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y2, p);
Calculate(outputStream.Temperature, tg2);
solveState = SolveState.Solved;
}
else if (fy2 != Constants.NO_VALUE)
{
double fy_temp = 0;
double delta = 10.0;
double totalDelta = delta;
tg2 = tg1 - delta;
bool negativeLastTime = false;
int counter = 0;
do
{
counter++;
y2 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg2, p);
fy_temp = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg2, y2, p);
if (fy2 > fy_temp)
{
if (negativeLastTime)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
}
totalDelta += delta;
negativeLastTime = false;
}
else if (fy2 < fy_temp)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
totalDelta -= delta;
negativeLastTime = true;
}
tg2 = tg1 - totalDelta;
} while (Math.Abs(fy2 - fy_temp) > 1.0e-6 && counter <= 200);
if (counter < 200)
{
Calculate(outputStream.Temperature, tg2);
solveState = SolveState.Solved;
}
}
double fy = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg2, y2, p);
if (fy > 1.0)
{
solveState = SolveState.NotSolved;
string msg = "Specified input state makes the relative humidity of the output greater than 1.0.";
throw new InappropriateSpecifiedValueException(msg);
}
}
else if (tg2 != Constants.NO_VALUE && y2 != Constants.NO_VALUE)
{
ih = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(tg2, y2, p);
if (tg1 != Constants.NO_VALUE)
{
y1 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg1, p);
Calculate(inputStream.MoistureContentDryBase, y1);
solveState = SolveState.Solved;
}
else if (y1 != Constants.NO_VALUE)
{
tg1 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y1, p);
Calculate(inputStream.Temperature, tg1);
solveState = SolveState.Solved;
}
else if (td1 != Constants.NO_VALUE)
{
y1 = humidGasCalculator.GetHumidityFromDewPointAndPressure(td1, p);
tg1 = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(ih, y1, p);
Calculate(inputStream.Temperature, tg1);
solveState = SolveState.Solved;
}
else if (fy1 != Constants.NO_VALUE)
{
double fy_temp = 0;
double delta = 10.0;
double totalDelta = delta;
tg1 = tg2 + delta;
bool negativeLastTime = false;
int counter = 0;
do
{
counter++;
y1 = humidGasCalculator.GetHumidityFromHumidEnthalpyTemperatureAndPressure(ih, tg1, p);
fy_temp = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(tg1, y1, p);
if (fy1 < fy_temp)
{
if (negativeLastTime)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
}
totalDelta += delta;
negativeLastTime = false;
}
else if (fy1 > fy_temp)
{
delta /= 2.0; //testing finds delta/2.0 is almost optimal
totalDelta -= delta;
negativeLastTime = true;
}
tg1 = tg2 + totalDelta;
} while (Math.Abs(fy1 - fy_temp) > 1.0e-6 && counter <= 200);
if (counter < 200)
{
Calculate(inputStream.Temperature, tg1);
solveState = SolveState.Solved;
}
}
}
}
public ErrorMessage SetState(DryingGasStream gasStream, PointF pt)
{
double p = pressure.Value;
double temperature = (double)pt.X;
double humidity = (double)pt.Y;
double wetBulb;
double dewPoint;
double relativeHumidity;
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
Hashtable varAndValueTable = new Hashtable();
if (gasStream.Temperature.IsSpecified)
{
if (gasStream.Humidity.IsSpecified)
{
varAndValueTable.Add(gasStream.MoistureContentDryBase, humidity);
}
else if (gasStream.WetBulbTemperature.IsSpecified)
{
wetBulb = humidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(temperature, humidity, p);
varAndValueTable.Add(gasStream.WetBulbTemperature, wetBulb);
}
else if (gasStream.DewPoint.IsSpecified)
{
dewPoint = humidGasCalculator.GetDewPointFromHumidityAndPressure(humidity, p);
varAndValueTable.Add(gasStream.DewPoint, dewPoint);
}
else if (gasStream.RelativeHumidity.IsSpecified)
{
relativeHumidity = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(temperature, humidity, p);
varAndValueTable.Add(gasStream.RelativeHumidity, relativeHumidity);
}
varAndValueTable.Add(gasStream.Temperature, temperature);
}
else if (gasStream.WetBulbTemperature.IsSpecified)
{
if (outputStream.DewPoint.IsSpecified)
{
dewPoint = humidGasCalculator.GetDewPointFromHumidityAndPressure(humidity, p);
varAndValueTable.Add(gasStream.DewPoint, dewPoint);
}
else if (gasStream.RelativeHumidity.IsSpecified)
{
relativeHumidity = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(temperature, humidity, p);
varAndValueTable.Add(currentStream.RelativeHumidity, relativeHumidity);
}
wetBulb = humidGasCalculator.GetWetBulbFromDryBulbHumidityAndPressure(temperature, humidity, p);
varAndValueTable.Add(gasStream.WetBulbTemperature, wetBulb);
}
else if (gasStream.DewPoint.IsSpecified)
{
if (gasStream.RelativeHumidity.IsSpecified)
{
relativeHumidity = humidGasCalculator.GetRelativeHumidityFromDryBulbHumidityAndPressure(temperature, humidity, pressure.Value);
varAndValueTable.Add(outputStream.RelativeHumidity, relativeHumidity);
}
dewPoint = humidGasCalculator.GetDewPointFromHumidityAndPressure(humidity, pressure.Value);
varAndValueTable.Add(gasStream.DewPoint, dewPoint);
}
return(gasStream.Specify(varAndValueTable));
}
private void Solve()
{
double totalFlow = 0.0;
double temp;
int numOfUnknownFlow = 0;
int unknownFlowIndex = -1;
DryingStream dryingStream;
DryingStream dsInlet;
DryingStream dsOutlet = null;
if (outlet is DryingStream)
{
dsOutlet = outlet as DryingStream;
}
////flow balance
//for (int i = 0; i < inletStreams.Count; i++) {
// inletStream = inletStreams[i] as ProcessStreamBase;
// if (inletStream.MassFlowRate.HasValue) {
// totalFlow += inletStream.MassFlowRate.Value;
// }
// else {
// unknownFlowIndex = i;
// numOfUnknownFlow++;
// }
//}
//if (numOfUnknownFlow == 1 && outlet.MassFlowRate.HasValue) {
// inletStream = inletStreams[unknownFlowIndex] as ProcessStreamBase;
// //if (outlet.MassFlowRate.Value > totalFlow && inletStream.MassFlowRate.IsSpecifiedAndHasNoValue)
// if (outlet.MassFlowRate.Value > totalFlow && !inletStream.MassFlowRate.HasValue) {
// Calculate(inletStream.MassFlowRate, (outlet.MassFlowRate.Value - totalFlow));
// }
//}
//else if (numOfUnknownFlow == 0) {
// Calculate(outlet.MassFlowRate, totalFlow);
//}
//double inletTotal = 0.0;
//int numOfUnknownInlet = 0;
//int unknownInletIndex = -1;
//moisture content balance
//if (outlet is DryingStream) {
// double mcDryBase;
// double mcWetBase;
// for (int i = 0; i < inletStreams.Count; i++) {
// dsInlet = inletStreams[i] as DryingStream;
// mcWetBase = Constants.NO_VALUE;
// if (dsInlet.MoistureContentWetBase.HasValue) {
// mcWetBase = dsInlet.MoistureContentWetBase.Value;
// }
// else if (dsInlet.MoistureContentDryBase.HasValue) {
// mcDryBase = dsInlet.MoistureContentDryBase.Value;
// mcWetBase = mcDryBase/(1.0 + mcDryBase);
// }
// if (dsInlet.MassFlowRate.HasValue && mcWetBase != Constants.NO_VALUE) {
// //inletTotal += dsInlet.MassFlowRate.Value * mcDryBase/(1.0 + mcDryBase);
// inletTotal += dsInlet.MassFlowRate.Value * mcWetBase;
// }
// else {
// unknownInletIndex = i;
// numOfUnknownInlet++;
// }
// }
// mcDryBase = dsOutlet.MoistureContentDryBase.Value;
// if (numOfUnknownInlet == 1 && dsOutlet.MassFlowRate.HasValue && mcDryBase != Constants.NO_VALUE) {
// dsInlet = inletStreams[unknownInletIndex] as DryingStream;
// double outletMoisture = dsOutlet.MassFlowRate.Value * mcDryBase/(1.0 + mcDryBase);
// if (outletMoisture > inletTotal) {
// //if (dsInlet.MassFlowRate.HasValue && dsInlet.MoistureContentWetBase.IsSpecifiedAndHasNoValue) {
// if (dsInlet.MassFlowRate.HasValue && !dsInlet.MoistureContentWetBase.HasValue) {
// mcWetBase = (outletMoisture - inletTotal)/dsInlet.MassFlowRate.Value;
// Calculate(dsInlet.MoistureContentWetBase, mcWetBase);
// }
// //else if (dsInlet.MassFlowRate.HasValue && dsInlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsInlet.MassFlowRate.HasValue && !dsInlet.MoistureContentDryBase.HasValue) {
// mcWetBase = (outletMoisture - inletTotal)/dsInlet.MassFlowRate.Value;
// Calculate(dsInlet.MoistureContentDryBase, mcWetBase/(1.0 - mcWetBase));
// }
// //else if (dsInlet.MassFlowRateDryBase.HasValue && dsInlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsInlet.MassFlowRateDryBase.HasValue && !dsInlet.MoistureContentDryBase.HasValue) {
// mcDryBase = (outletMoisture - inletTotal)/dsInlet.MassFlowRateDryBase.Value;
// Calculate(dsInlet.MoistureContentDryBase, mcDryBase);
// }
// //else if (dsInlet.MoistureContentDryBase.HasValue && dsInlet.MassFlowRateDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsInlet.MoistureContentDryBase.HasValue && !dsInlet.MassFlowRateDryBase.HasValue) {
// double massFlowDryBase = (outletMoisture - inletTotal)/dsInlet.MoistureContentDryBase.Value;
// Calculate(dsInlet.MassFlowRateDryBase, massFlowDryBase);
// }
// //else if (dsInlet.MoistureContentDryBase.HasValue && dsInlet.MassFlowRate.IsSpecifiedAndHasNoValue) {
// else if (dsInlet.MoistureContentDryBase.HasValue && !dsInlet.MassFlowRate.HasValue) {
// mcDryBase = dsInlet.MoistureContentDryBase.Value;
// double massFlow = (outletMoisture - inletTotal)/mcDryBase * (1.0 + mcDryBase);
// Calculate(dsInlet.MassFlowRate, massFlow);
// }
// }
// }
// else if (numOfUnknownInlet == 0) {
// //if (dsOutlet.MassFlowRate.HasValue && dsOutlet.MoistureContentWetBase.IsSpecifiedAndHasNoValue) {
// if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.MoistureContentWetBase.HasValue) {
// mcWetBase = inletTotal/dsOutlet.MassFlowRate.Value;
// Calculate(dsOutlet.MoistureContentWetBase, mcWetBase);
// }
// //else if (dsOutlet.MassFlowRate.HasValue && dsOutlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.MoistureContentDryBase.HasValue) {
// mcWetBase = inletTotal/dsOutlet.MassFlowRate.Value;
// Calculate(dsOutlet.MoistureContentDryBase, mcWetBase/(1.0 - mcWetBase));
// }
// //else if (dsOutlet.MassFlowRateDryBase.HasValue && dsOutlet.MoistureContentDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsOutlet.MassFlowRateDryBase.HasValue && !dsOutlet.MoistureContentDryBase.HasValue) {
// mcDryBase = inletTotal/dsOutlet.MassFlowRateDryBase.Value;
// Calculate(dsOutlet.MoistureContentDryBase, mcDryBase);
// }
// //else if (dsOutlet.MoistureContentDryBase.HasValue && dsOutlet.MassFlowRateDryBase.IsSpecifiedAndHasNoValue) {
// else if (dsOutlet.MoistureContentDryBase.HasValue && !dsOutlet.MassFlowRateDryBase.HasValue) {
// double massFlowDryBase = inletTotal/dsOutlet.MoistureContentDryBase.Value;
// Calculate(dsOutlet.MassFlowRateDryBase, massFlowDryBase);
// }
// //else if (dsOutlet.MoistureContentDryBase.HasValue && dsOutlet.MassFlowRate.IsSpecifiedAndHasNoValue) {
// else if (dsOutlet.MoistureContentDryBase.HasValue && !dsOutlet.MassFlowRate.HasValue) {
// mcDryBase = dsOutlet.MoistureContentDryBase.Value;
// double massFlow = inletTotal/mcDryBase * (1.0 + mcDryBase);
// Calculate(dsOutlet.MassFlowRate, massFlow);
// }
// }
//}
double inletTotal = 0.0;
int numOfUnknownInlet = 0;
int unknownInletIndex = -1;
if (outlet is DryingGasStream)
{
DryingGasStream dgsInlet;
for (int i = 0; i < inletStreams.Count; i++)
{
dgsInlet = inletStreams[i] as DryingGasStream;
if (dgsInlet.MassFlowRateDryBase.HasValue)
{
totalFlow += dgsInlet.MassFlowRateDryBase.Value;
}
else
{
unknownFlowIndex = i;
numOfUnknownFlow++;
}
}
if (numOfUnknownFlow == 1 && dsOutlet.MassFlowRateDryBase.HasValue)
{
dsInlet = inletStreams[unknownFlowIndex] as DryingGasStream;
if (dsOutlet.MassFlowRateDryBase.Value > totalFlow && !dsInlet.MassFlowRateDryBase.HasValue)
{
Calculate(dsInlet.MassFlowRateDryBase, (dsOutlet.MassFlowRateDryBase.Value - totalFlow));
}
}
else if (numOfUnknownFlow == 0)
{
Calculate(dsOutlet.MassFlowRateDryBase, totalFlow);
}
for (int i = 0; i < inletStreams.Count; i++)
{
dgsInlet = inletStreams[i] as DryingGasStream;
if (dgsInlet.MoistureContentDryBase.HasValue && dgsInlet.MassFlowRateDryBase.HasValue)
{
inletTotal += dgsInlet.MassFlowRateDryBase.Value * dgsInlet.MoistureContentDryBase.Value;
}
else
{
unknownInletIndex = i;
numOfUnknownInlet++;
}
}
if (numOfUnknownInlet == 1 && dsOutlet.MassFlowRateDryBase.HasValue && dsOutlet.MoistureContentDryBase.HasValue)
{
dgsInlet = inletStreams[unknownInletIndex] as DryingGasStream;
double outletMoisture = dsOutlet.MassFlowRateDryBase.Value * dsOutlet.MoistureContentDryBase.Value;
if (outletMoisture > inletTotal)
{
if (dgsInlet.MassFlowRateDryBase.HasValue && !dgsInlet.MoistureContentDryBase.HasValue)
{
double mcDryBase = (outletMoisture - inletTotal) / dgsInlet.MassFlowRateDryBase.Value;
Calculate(dgsInlet.MoistureContentDryBase, mcDryBase);
}
else if (dgsInlet.MoistureContentDryBase.HasValue && !dgsInlet.MassFlowRateDryBase.HasValue)
{
double massFlowDryBase = (outletMoisture - inletTotal) / dgsInlet.MoistureContentDryBase.Value;
Calculate(dgsInlet.MassFlowRateDryBase, massFlowDryBase);
}
}
else
{
throw new CalculationFailedException(this.name + "Total mositure content from inlets is greater than that of the outlet");
}
}
else if (numOfUnknownInlet == 0)
{
if (dsOutlet.MassFlowRateDryBase.HasValue && !dsOutlet.MoistureContentDryBase.HasValue)
{
double mcDryBase = inletTotal / dsOutlet.MassFlowRateDryBase.Value;
Calculate(dsOutlet.MoistureContentDryBase, mcDryBase);
}
else if (dsOutlet.MoistureContentDryBase.HasValue && !dsOutlet.MassFlowRateDryBase.HasValue)
{
double massFlowDryBase = inletTotal / dsOutlet.MoistureContentDryBase.Value;
Calculate(dsOutlet.MassFlowRateDryBase, massFlowDryBase);
}
}
}
else if (outlet is DryingMaterialStream)
{
DryingMaterialStream dmsInlet;
for (int i = 0; i < inletStreams.Count; i++)
{
dmsInlet = inletStreams[i] as DryingMaterialStream;
if (dmsInlet.MassFlowRate.HasValue)
{
totalFlow += dmsInlet.MassFlowRate.Value;
}
else
{
unknownFlowIndex = i;
numOfUnknownFlow++;
}
}
if (numOfUnknownFlow == 1 && outlet.MassFlowRate.HasValue)
{
dmsInlet = inletStreams[unknownFlowIndex] as DryingMaterialStream;
if (outlet.MassFlowRate.Value > totalFlow && !dmsInlet.MassFlowRate.HasValue)
{
Calculate(dmsInlet.MassFlowRate, (outlet.MassFlowRate.Value - totalFlow));
}
}
else if (numOfUnknownFlow == 0)
{
Calculate(outlet.MassFlowRate, totalFlow);
}
for (int i = 0; i < inletStreams.Count; i++)
{
dmsInlet = inletStreams[i] as DryingMaterialStream;
if (dmsInlet.MassFlowRate.HasValue && dmsInlet.MoistureContentWetBase.HasValue)
{
inletTotal += dmsInlet.MassFlowRate.Value * dmsInlet.MoistureContentWetBase.Value;
}
else
{
unknownInletIndex = i;
numOfUnknownInlet++;
}
}
if (numOfUnknownInlet == 1 && dsOutlet.MassFlowRate.HasValue && dsOutlet.MoistureContentWetBase.HasValue)
{
dmsInlet = inletStreams[unknownInletIndex] as DryingMaterialStream;
double outletMoisture = dsOutlet.MassFlowRate.Value * dsOutlet.MoistureContentWetBase.Value;
if (outletMoisture > inletTotal)
{
if (dmsInlet.MassFlowRate.HasValue && !dmsInlet.MoistureContentWetBase.HasValue)
{
double mcWetBase = (outletMoisture - inletTotal) / dmsInlet.MassFlowRate.Value;
Calculate(dmsInlet.MoistureContentWetBase, mcWetBase);
}
else if (dmsInlet.MoistureContentWetBase.HasValue && !dmsInlet.MassFlowRate.HasValue)
{
double massFlow = (outletMoisture - inletTotal) / dmsInlet.MoistureContentWetBase.Value;
Calculate(dmsInlet.MassFlowRate, massFlow);
}
}
else
{
throw new CalculationFailedException(this.name + "Total mositure content from inlets is greater than that of the outlet");
}
}
else if (numOfUnknownInlet == 0)
{
if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.MoistureContentWetBase.HasValue)
{
double mcWetBase = inletTotal / dsOutlet.MassFlowRate.Value;
Calculate(dsOutlet.MoistureContentWetBase, mcWetBase);
}
else if (dsOutlet.MoistureContentWetBase.HasValue && !dsOutlet.MassFlowRate.HasValue)
{
double massFlow = inletTotal / dsOutlet.MoistureContentWetBase.Value;
Calculate(dsOutlet.MassFlowRate, massFlow);
}
}
}
//have to recalculate the streams so that the following balance calcualtion
//can have all the latest balance calculated values taken into account
UpdateStreamsIfNecessary();
inletTotal = 0.0;
numOfUnknownInlet = 0;
unknownInletIndex = -1;
double inletTotalDryBase = 0.0;
int numOfUnknownInletDryBase = 0;
int unknownInletIndexDryBase = -1;
ProcessStreamBase inletStream;
for (int i = 0; i < inletStreams.Count; i++)
{
inletStream = inletStreams[i] as ProcessStreamBase;
if (inletStream.MassFlowRate.HasValue && inletStream.SpecificEnthalpy.HasValue)
{
inletTotal += inletStream.MassFlowRate.Value * inletStream.SpecificEnthalpy.Value;
}
else
{
unknownInletIndex = i;
numOfUnknownInlet++;
}
if (outlet is DryingStream)
{
dsInlet = inletStream as DryingStream;
if (dsInlet.MassFlowRateDryBase.HasValue && dsInlet.SpecificEnthalpyDryBase.HasValue)
{
inletTotalDryBase += dsInlet.MassFlowRateDryBase.Value * dsInlet.SpecificEnthalpyDryBase.Value;
}
else
{
unknownInletIndexDryBase = i;
numOfUnknownInletDryBase++;
}
}
}
HumidGasCalculator humidGasCalculator = GetHumidGasCalculator();
if (numOfUnknownInletDryBase == 1 &&
(dsOutlet.MassFlowRate.HasValue && dsOutlet.SpecificEnthalpy.HasValue))
{
dsInlet = inletStreams[unknownInletIndexDryBase] as DryingStream;
double outletEnergy = dsOutlet.MassFlowRate.Value * dsOutlet.SpecificEnthalpy.Value;
if (outletEnergy > inletTotalDryBase)
{
if (dsInlet.MassFlowRate.HasValue && !dsInlet.SpecificEnthalpy.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.MassFlowRate.Value;
Calculate(dsInlet.SpecificEnthalpy, temp);
}
else if (dsInlet.MassFlowRateDryBase.HasValue && !dsInlet.SpecificEnthalpyDryBase.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.MassFlowRateDryBase.Value;
Calculate(dsInlet.SpecificEnthalpyDryBase, temp);
}
else if (dsInlet.SpecificEnthalpy.HasValue && !dsInlet.MassFlowRate.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.SpecificEnthalpy.Value;
Calculate(dsInlet.MassFlowRate, temp);
}
else if (dsInlet.SpecificEnthalpyDryBase.HasValue && !dsInlet.MassFlowRateDryBase.HasValue)
{
temp = (outletEnergy - inletTotalDryBase) / dsInlet.SpecificEnthalpyDryBase.Value;
Calculate(dsInlet.MassFlowRateDryBase, temp);
}
}
}
else if (numOfUnknownInletDryBase == 0)
{
if (dsOutlet.MassFlowRate.HasValue && !dsOutlet.SpecificEnthalpy.HasValue)
{
temp = inletTotalDryBase / dsOutlet.MassFlowRate.Value;
Calculate(dsOutlet.SpecificEnthalpy, temp);
}
if (dsOutlet.MassFlowRateDryBase.HasValue && !dsOutlet.SpecificEnthalpyDryBase.HasValue)
{
temp = inletTotalDryBase / dsOutlet.MassFlowRateDryBase.Value;
Calculate(dsOutlet.SpecificEnthalpyDryBase, temp);
}
else if (dsOutlet.SpecificEnthalpy.HasValue && !dsOutlet.MassFlowRate.HasValue)
{
temp = inletTotalDryBase / dsOutlet.SpecificEnthalpy.Value;
Calculate(dsOutlet.MassFlowRate, temp);
}
else if (dsOutlet.SpecificEnthalpyDryBase.HasValue && !dsOutlet.MassFlowRateDryBase.HasValue)
{
temp = inletTotalDryBase / dsOutlet.SpecificEnthalpyDryBase.Value;
Calculate(dsOutlet.MassFlowRateDryBase, temp);
}
}
else if (numOfUnknownInlet == 1 && outlet.MassFlowRate.HasValue && outlet.SpecificEnthalpy.HasValue &&
outlet.SpecificHeat.HasValue)
{
inletStream = inletStreams[unknownInletIndex] as ProcessStreamBase;
double outletEnergy = outlet.MassFlowRate.Value * outlet.Temperature.Value * outlet.SpecificHeat.Value;
if (outletEnergy > inletTotal)
{
if (inletStream.MassFlowRate.HasValue && !inletStream.SpecificEnthalpy.HasValue)
{
temp = (outletEnergy - inletTotal) / inletStream.MassFlowRate.Value;
Calculate(inletStream.SpecificEnthalpy, temp);
}
else if (inletStream.SpecificEnthalpy.HasValue && !inletStream.MassFlowRate.HasValue)
{
temp = (outletEnergy - inletTotal) / inletStream.SpecificEnthalpy.Value;
Calculate(inletStream.MassFlowRate, temp);
}
}
}
else if (numOfUnknownInlet == 0)
{
if (outlet.MassFlowRate.HasValue && !outlet.SpecificEnthalpy.HasValue)
{
temp = inletTotal / outlet.MassFlowRate.Value;
Calculate(outlet.SpecificEnthalpy, temp);
}
else if (outlet.SpecificEnthalpy.HasValue && !outlet.MassFlowRate.HasValue)
{
temp = inletTotal / outlet.SpecificEnthalpy.Value;
Calculate(outlet.MassFlowRate, temp);
}
}
ProcessStreamBase stream;
int numOfKnownMassFlow = 0;
int numOfKnownPressure = 0;
int numOfKnownTemperature = 0;
int numOfKnownMoistureContent = 0;
int numOfStrms = InOutletStreams.Count;
for (int i = 0; i < numOfStrms; i++)
{
stream = InOutletStreams[i] as ProcessStreamBase;
if (stream.MassFlowRate.HasValue)
{
numOfKnownMassFlow++;
}
if (stream.Pressure.HasValue)
{
numOfKnownPressure++;
}
if (stream.SpecificEnthalpy.HasValue)
{
numOfKnownTemperature++;
}
if (outlet is DryingStream)
{
dryingStream = stream as DryingStream;
if (dryingStream.MoistureContentDryBase.HasValue || dryingStream.MoistureContentWetBase.HasValue)
{
numOfKnownMoistureContent++;
}
}
}
if (numOfKnownMassFlow == numOfStrms && numOfKnownTemperature == numOfStrms)
{
if (outlet is ProcessStream && numOfKnownPressure == numOfStrms)
{
solveState = SolveState.Solved;
}
else if (outlet is DryingGasStream && numOfKnownPressure == numOfStrms && numOfKnownMoistureContent == numOfStrms)
{
solveState = SolveState.Solved;
}
else if (outlet is DryingMaterialStream && numOfKnownMoistureContent == numOfStrms)
{
solveState = SolveState.Solved;
}
}
if (solveState == SolveState.Solved && outlet is DryingGasStream)
{
double totalSolidPhaseMass = 0.0;
SolidPhase solidPhase = null;
SolidPhase lastSolidPhase = null;
foreach (DryingGasStream gasStream in inletStreams)
{
solidPhase = gasStream.GasComponents.SolidPhase;
if (solidPhase != null)
{
totalSolidPhaseMass += solidPhase.MassFraction * gasStream.MassFlowRate.Value;
lastSolidPhase = solidPhase;
}
}
if (lastSolidPhase != null)
{
double outletSolidPhaseMassFraction = totalSolidPhaseMass / outlet.MassFlowRate.Value;
DryingGasStream dgsOutlet = outlet as DryingGasStream;
SolidPhase outletSolidPhase = dgsOutlet.GasComponents.SolidPhase;
if (outletSolidPhase != null)
{
outletSolidPhase.MassFraction = outletSolidPhaseMassFraction;
}
else
{
outletSolidPhase = lastSolidPhase.Clone();
outletSolidPhase.MassFraction = outletSolidPhase.MassFraction;
dgsOutlet.GasComponents.SolidPhase = outletSolidPhase;
}
}
}
}
private void Solve()
{
double totalEenthalpyOfReactantInFuelInlet = 0;
double moleFractionCarbon = 0;
double moleFractionHydrogen = 0;
double moleFractionSulfur = 0;
double moleFractionOxygen = 0;
//double massAsh = 0;
double moleFractionCarbonDioxide = 0;
double moleFractionNitrogen = 0; //mole fraction of nitrogen in original gas fuel
MaterialComponents components = fuelInlet.Components;
if (fuelInlet is GenericFuelStream)
{
for (int i = 0; i < components.Count; i++)
{
MaterialComponent component = components[i];
Substance mySubstance = component.Substance;
//myMassFraction = component.MassFraction.Value;
double myMoleFraction = component.MoleFraction.Value;
if (mySubstance == carbon)
{
moleFractionCarbon = myMoleFraction;
}
else if (mySubstance == hydrogen)
{
moleFractionHydrogen = myMoleFraction;
}
else if (mySubstance == oxygen)
{
moleFractionOxygen = myMoleFraction;
}
else if (mySubstance == sulfur)
{
moleFractionSulfur = myMoleFraction;
}
//else if (component.Substance == ash) {
// massAsh = myMassFraction;
//}
}
}
else if (fuelInlet is DetailedFuelStream)
{
totalEenthalpyOfReactantInFuelInlet = 0;
moleFractionCarbon = 0;
moleFractionHydrogen = 0;
moleFractionOxygen = 0;
moleFractionSulfur = 0;
double t = fuelInlet.Temperature.Value;
for (int i = 0; i < components.Count; i++)
{
MaterialComponent component = components[i];
Substance mySubstance = component.Substance;
double myMoleFraction = component.MoleFraction.Value;
if (mySubstance == carbonDioxide)
{
moleFractionCarbonDioxide = myMoleFraction;
}
else if (mySubstance == nitrogen)
{
moleFractionNitrogen = myMoleFraction;
}
else
{
totalEenthalpyOfReactantInFuelInlet += myMoleFraction * propCalculator.CalculateEnthalpyOfFormation(t, mySubstance);
SubstanceFormula formula = mySubstance.Formula;
string[] elements = formula.Elements;
foreach (string element in elements)
{
int elementCount = formula.GetElementCount(element);
if (element == "C")
{
moleFractionCarbon += elementCount * myMoleFraction;
}
else if (element == "H")
{
moleFractionHydrogen += elementCount * myMoleFraction;
}
else if (element == "O")
{
moleFractionOxygen += elementCount * myMoleFraction;
}
else if (element == "S")
{
moleFractionSulfur += elementCount * myMoleFraction;
}
}
}
}
}
moleFractionHydrogen = 0.5 * moleFractionHydrogen; //convert from H to H2
moleFractionOxygen = 0.5 * moleFractionOxygen; //convert from O to O2
//multiply 0.5 for moleFractionHydrogen because 1 mole of H2 only needs 0.5 mole of O2
double moleFractionOxygenNeeded = moleFractionCarbon + 0.5 * moleFractionHydrogen + moleFractionSulfur - moleFractionOxygen;
double exactDryAirMassNeeded = moleFractionOxygenNeeded / OXYGEN_MOLE_FRACTION_IN_AIR * air.MolarWeight;
double excessAirValue = excessAir.HasValue ? excessAir.Value / 100 : 0;
double excessDryAirNeeded = exactDryAirMassNeeded * excessAirValue;
double dryAirMassNeeded = exactDryAirMassNeeded + excessDryAirNeeded;
double moistureMassCarriedByInletAir = dryAirMassNeeded * airInlet.Humidity.Value;
double airMassNeeded = dryAirMassNeeded + moistureMassCarriedByInletAir;
double moitureGeneratedByReaction = moleFractionHydrogen * water.MolarWeight; //since 1 mole of H2 generates 1 mole of water
double totalMoistureInFlueGas = moitureGeneratedByReaction + moistureMassCarriedByInletAir;
double flueGasTotal = airMassNeeded + fuelInlet.Components.MolarWeight;
double dryFlueGas = flueGasTotal - totalMoistureInFlueGas;
double flueGasMoistureContentDryBase = totalMoistureInFlueGas / dryFlueGas;
CompositeSubstance flueGas = CreateDryFlueGasSubstance(moleFractionCarbon, moleFractionSulfur, moleFractionCarbonDioxide, moleFractionNitrogen, moleFractionOxygenNeeded, dryAirMassNeeded, dryFlueGas, excessAirValue);
DryingGasComponents flueGasComponents = CreateDryingGasComponents(flueGasMoistureContentDryBase, flueGas);
flueGasOutlet.GasComponents = flueGasComponents;
double fuelMoleFlowRate = fuelInlet.MoleFlowRate.Value;
if (excessAir.HasValue)
{
Calculate(flueGasOutlet.Humidity, flueGasMoistureContentDryBase);
if (fuelInlet.MoleFlowRate.HasValue)
{
Calculate(airInlet.MassFlowRateDryBase, dryAirMassNeeded * fuelMoleFlowRate);
Calculate(flueGasOutlet.MassFlowRate, flueGasTotal * fuelMoleFlowRate);
}
else if (flueGasOutlet.MassFlowRate.HasValue)
{
fuelMoleFlowRate = flueGasOutlet.MassFlowRate.Value / flueGasTotal;
Calculate(fuelInlet.MoleFlowRate, fuelMoleFlowRate);
Calculate(airInlet.MassFlowRateDryBase, dryAirMassNeeded * fuelMoleFlowRate);
}
}
double fuelInletEnthalpy = fuelInlet.SpecificEnthalpy.Value;
double airInletEnthalpy = airMassNeeded * airInlet.SpecificEnthalpy.Value;
double totalHeatGenerated = Constants.NO_VALUE;
double heatLossValue = 0;
if (fuelInlet is GenericFuelStream)
{
//GenericFuelStream gfs = fuelInlet as GenericFuelStream;
//if (gfs.HeatValue.HasValue) {
// //total heat genrate eaquls to heat value of the fuel times fuelMassFlowRate
// totalHeatGenerated = gfs.HeatValue.Value * fuelMoleFlowRate;
// heatLossValue = totalHeatGenerated * percentageHeatLoss.Value / 100;
// double totalFlueGasSpecificEnthalpy = (fuelInletEnthalpy + airInletEnthalpy + totalHeatGenerated - heatLossValue) / flueGasTotal;
// Calculate(flueGasOutlet.SpecificEnthalpy, totalFlueGasSpecificEnthalpy);
//}
}
else if (fuelInlet is DetailedFuelStream)
{
HumidGasCalculator humidGasCalculator = new HumidGasCalculator(flueGas, water);
//evaporation heat of 2 moles of water
double evaporationHeat = 2.0 * water.MolarWeight * humidGasCalculator.GetEvaporationHeat(273.15);
double p = flueGasOutlet.Pressure.Value;
//double originalTemperature = airInlet.Temperature.Value;
//double initialHumidEnthalpy = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(originalTemperature, flueGasMoistureContentDryBase, p);
double initialHumidEnthalpy = airInlet.SpecificEnthalpyDryBase.Value;
initialHumidEnthalpy = initialHumidEnthalpy * dryAirMassNeeded / dryFlueGas;
double t = airInlet.Temperature.Value;
double totalEnthalpyOfReactantOxygen = moleFractionOxygenNeeded * propCalculator.CalculateEnthalpyOfFormation(t, oxygen);
double totalEenthalpyOfReactants = totalEenthalpyOfReactantInFuelInlet + totalEnthalpyOfReactantOxygen;
double tNew = t;
int counter = 0;
if (excessAir.HasValue && percentageHeatLoss.IsSpecifiedAndHasValue)
{
do
{
counter++;
t = tNew;
double totalEenthalpyOfProduct = CalculateTotalEntalpyOfProduct(moleFractionCarbon, moleFractionHydrogen, moleFractionSulfur, t);
totalHeatGenerated = totalEenthalpyOfReactants - totalEenthalpyOfProduct + evaporationHeat;
heatLossValue = totalHeatGenerated * percentageHeatLoss.Value / 100;
double flueGasHumidEnthalpy = initialHumidEnthalpy + (totalHeatGenerated - heatLossValue) / dryFlueGas;
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(flueGasHumidEnthalpy, flueGasMoistureContentDryBase, p);
} while (Math.Abs(tNew - t) / tNew > 1.0e-8 && counter < 100);
if (counter == 100)
{
throw new CalculationFailedException("Calculation of flame temperature failed.");
}
Calculate(flueGasOutlet.Temperature, tNew);
totalHeatGenerated *= fuelMoleFlowRate;
Calculate(heatLoss, totalHeatGenerated * percentageHeatLoss.Value / 100);
}
else if (excessAir.HasValue && flueGasOutlet.Temperature.IsSpecifiedAndHasValue)
{
double flueGasTemp = flueGasOutlet.Temperature.Value;
double totalEenthalpyOfProduct = CalculateTotalEntalpyOfProduct(moleFractionCarbon, moleFractionHydrogen, moleFractionSulfur, flueGasTemp);
totalHeatGenerated = totalEenthalpyOfReactants - totalEenthalpyOfProduct + evaporationHeat;
heatLossValue = totalHeatGenerated * percentageHeatLoss.Value / 100;
double flueGasHumidEnthalpy = initialHumidEnthalpy + (totalHeatGenerated - heatLossValue) / dryFlueGas;
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(flueGasHumidEnthalpy, flueGasMoistureContentDryBase, p);
if (tNew < flueGasTemp)
{
throw new CalculationFailedException("Specified flue gas temperature cannot be reached.");
}
counter = 0;
double humidEnthanlpy0 = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(flueGasTemp, flueGasMoistureContentDryBase, p);
do
{
counter++;
double humidEnthanlpy1 = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(tNew, flueGasMoistureContentDryBase, p);
heatLossValue += dryFlueGas * (humidEnthanlpy1 - humidEnthanlpy0);
flueGasHumidEnthalpy = initialHumidEnthalpy + (totalHeatGenerated - heatLossValue) / dryFlueGas;
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(flueGasHumidEnthalpy, flueGasMoistureContentDryBase, p);
} while (Math.Abs(tNew - flueGasTemp) / flueGasTemp > 1.0e-8 && counter < 100);
if (counter == 100)
{
throw new CalculationFailedException("Calculation of flame temperature failed.");
}
totalHeatGenerated *= fuelMoleFlowRate;
heatLossValue *= fuelMoleFlowRate;
Calculate(heatLoss, heatLossValue);
Calculate(percentageHeatLoss, heatLossValue / totalHeatGenerated * 100);
}
else if (flueGasOutlet.Temperature.IsSpecifiedAndHasValue && percentageHeatLoss.IsSpecifiedAndHasValue)
{
double flueGasTemp = flueGasOutlet.Temperature.Value;
double totalEenthalpyOfProduct = CalculateTotalEntalpyOfProduct(moleFractionCarbon, moleFractionHydrogen, moleFractionSulfur, flueGasTemp);
totalHeatGenerated = totalEenthalpyOfReactants - totalEenthalpyOfProduct + evaporationHeat;
heatLossValue = totalHeatGenerated * percentageHeatLoss.Value / 100;
double flueGasHumidEnthalpy = initialHumidEnthalpy + (totalHeatGenerated - heatLossValue) / dryFlueGas;
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(flueGasHumidEnthalpy, flueGasMoistureContentDryBase, p);
if (tNew < flueGasTemp)
{
throw new CalculationFailedException("Specified flue gas temperature cannot be reached.");
}
//double excessDryAirNeededOld;
do
{
counter++;
t = tNew;
//excessDryAirNeededOld = excessDryAirNeeded;
//initialHumidEnthalpy = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(originalTemperature, flueGasMoistureContentDryBase, p);
flueGasHumidEnthalpy = humidGasCalculator.GetHumidEnthalpyFromDryBulbHumidityAndPressure(flueGasTemp, flueGasMoistureContentDryBase, p);
dryFlueGas = (totalHeatGenerated - heatLossValue) / (flueGasHumidEnthalpy - initialHumidEnthalpy);
flueGasTotal = dryFlueGas + totalMoistureInFlueGas;
airMassNeeded = flueGasTotal - fuelInlet.Components.MolarWeight;
dryAirMassNeeded = airMassNeeded / (1 + airInlet.Humidity.Value);
totalMoistureInFlueGas = moitureGeneratedByReaction + dryAirMassNeeded * airInlet.Humidity.Value;
excessDryAirNeeded = dryAirMassNeeded - exactDryAirMassNeeded;
excessAirValue = excessDryAirNeeded / exactDryAirMassNeeded;
flueGasMoistureContentDryBase = totalMoistureInFlueGas / dryFlueGas;
flueGas = CreateDryFlueGasSubstance(moleFractionCarbon, moleFractionSulfur, moleFractionCarbonDioxide, moleFractionNitrogen, moleFractionOxygenNeeded, dryAirMassNeeded, dryFlueGas, excessAirValue);
humidGasCalculator = new HumidGasCalculator(flueGas, water);
tNew = humidGasCalculator.GetDryBulbFromHumidEnthalpyHumidityAndPressure(flueGasHumidEnthalpy, flueGasMoistureContentDryBase, p);
} while (Math.Abs(tNew - flueGasTemp) / flueGasTemp > 1.0e-8 && counter < 100);
//} while (Math.Abs(excessDryAirNeeded - excessDryAirNeededOld) > 1.0e-6 && counter < 100);
if (counter == 100)
{
throw new CalculationFailedException("Calculation of flame temperature failed.");
}
Calculate(flueGasOutlet.Humidity, flueGasMoistureContentDryBase);
Calculate(excessAir, excessAirValue * 100);
flueGasComponents = CreateDryingGasComponents(flueGasMoistureContentDryBase, flueGas);
flueGasOutlet.GasComponents = flueGasComponents;
if (flueGasOutlet.MassFlowRate.IsSpecifiedAndHasValue)
{
fuelMoleFlowRate = flueGasOutlet.MassFlowRate.Value / flueGasTotal;
Calculate(fuelInlet.MoleFlowRate, fuelMoleFlowRate);
}
else
{
Calculate(flueGasOutlet.MassFlowRate, flueGasTotal * fuelMoleFlowRate);
}
Calculate(airInlet.MassFlowRateDryBase, dryAirMassNeeded * fuelMoleFlowRate);
Calculate(heatLoss, heatLossValue * fuelMoleFlowRate);
totalHeatGenerated *= fuelMoleFlowRate;
}
Calculate(totalHeatGeneration, totalHeatGenerated);
}
if (flueGasOutlet.Temperature.HasValue && totalHeatGeneration.HasValue)
{
solveState = SolveState.Solved;
double oxygenMassFraction = moleFractionOxygenNeeded * excessAirValue * oxygen.MolarWeight / flueGasTotal;
double oxygenMoleFraction = moleFractionOxygenNeeded * excessAirValue / (1 + airMassNeeded / air.MolarWeight);
Calculate(oxygenMassFractionFlueGas, oxygenMassFraction);
Calculate(oxygenMoleFractionFlueGas, oxygenMoleFraction);
}
}
