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);
//}
}
}
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;
}
}
}
}
