private double CalculateCp(double temperature)
{
double cp = Constants.NO_VALUE;
if (massConcentration.HasValue && massConcentration.Value <= 1.0e-6)
{
if (vaporFraction.HasValue && vaporFraction.Value > 0.9999)
{
cp = GetGasCp(temperature);
}
else if (temperature != Constants.NO_VALUE && pressure.HasValue)
{
if (temperature < GetBoilingPoint(pressure.Value))
{
cp = MoistureProperties.GetSpecificHeatOfLiquid(temperature);
}
else if (temperature > GetBoilingPoint(pressure.Value))
{
cp = MoistureProperties.GetSpecificHeatOfVapor(temperature);
}
}
}
// else if (massConcentration.Value > 1.0e-6 && specificHeatDryBase.HasValue) {
// //double cm = specificHeatAbsDry.Value + moistureContentDryBase.Value * liquidCp;
// cp = specificHeatDryBase.Value / (1.0 + moistureContentDryBase.Value);
// }
//}
else if (DryingMaterial.MaterialType == MaterialType.GenericFood)
{
//if (DryingMaterial.MaterialType == MaterialType.GenericFood) {
cp = GenericFoodPropCalculator.GetCp(materialComponents.Components, temperature);
}
else if (DryingMaterial.MaterialType == MaterialType.SpecialFood && massConcentration.HasValue)
{
cp = SpecialFoodPropCalculator.GetCp(DryingMaterial.Name, massConcentration.Value, temperature);
}
if (cp == Constants.NO_VALUE && moistureContentDryBase.HasValue)
{
EvaporationAndDryingSystem mySystem = this.unitOpSystem as EvaporationAndDryingSystem;
DryingMaterial dryingMat = mySystem.DryingMaterial;
if (dryingMat.SpecificHeatOfAbsoluteDryMaterial != Constants.NO_VALUE)
{
double moistureLiquidCp = MoistureProperties.GetSpecificHeatOfLiquid(temperature);
cp = dryingMat.SpecificHeatOfAbsoluteDryMaterial + moistureContentDryBase.Value * moistureLiquidCp;
cp = cp / (1.0 + moistureContentDryBase.Value);
}
}
return(cp);
}
private void CalculateCpOfPureMoisture()
{
double cp = Constants.NO_VALUE;
double tempValue = temperature.Value;
if (vaporFraction.HasValue && vaporFraction.Value >= 0.999999)
{
//tempValue += 0.001;
cp = MoistureProperties.GetSpecificHeatOfVapor(tempValue);
}
else if (vaporFraction.HasValue && vaporFraction.Value <= 0.000001)
{
//tempValue -= 0.001;
cp = MoistureProperties.GetSpecificHeatOfLiquid(tempValue);
}
Calculate(specificHeat, cp);
}
private double CalculateCp(double temperature)
{
double cp = Constants.NO_VALUE;
if (massConcentration.HasValue && massConcentration.Value <= TOLERANCE)
{
if (vaporFraction.HasValue && vaporFraction.Value > 0.9999)
{
cp = GetGasCp(temperature);
}
else if (temperature != Constants.NO_VALUE && pressure.HasValue)
{
if (temperature < GetBoilingPoint(pressure.Value))
{
cp = MoistureProperties.GetSpecificHeatOfLiquid(temperature);
}
else if (temperature > GetBoilingPoint(pressure.Value))
{
cp = MoistureProperties.GetSpecificHeatOfVapor(temperature);
}
}
}
else if (DryingMaterial.MaterialType == MaterialType.GenericFood)
{
//if (DryingMaterial.MaterialType == MaterialType.GenericFood) {
cp = GenericFoodPropCalculator.GetCp(materialComponents.Components, temperature);
}
else if (DryingMaterial.MaterialType == MaterialType.SpecialFood && massConcentration.HasValue)
{
cp = SpecialFoodPropCalculator.GetCp(DryingMaterial.Name, massConcentration.Value, temperature);
}
if (cp == Constants.NO_VALUE && moistureContentDryBase.HasValue)
{
if (DryingMaterial.SpecificHeatOfAbsoluteDryMaterial != Constants.NO_VALUE)
{
double moistureLiquidCp = MoistureProperties.GetSpecificHeatOfLiquid(temperature);
cp = DryingMaterial.SpecificHeatOfAbsoluteDryMaterial + moistureContentDryBase.Value * moistureLiquidCp;
cp = cp / (1.0 + moistureContentDryBase.Value);
}
}
return(cp);
}
internal override double GetGasCp(double tempValue)
{
double cp = MoistureProperties.GetSpecificHeatOfVapor(tempValue);
return(cp);
}