/// <summary>
/// 已知单相状态的T P计算状态点
/// </summary>
/// <param name="T">温度[K]</param>
/// <param name="P">压力[kPa]</param>
/// <param name="phase">相态</param>
private void FindSPhaseStateWithTP(double T, double P, SubstancePhase phase)
{
EnsureCurrentFluid();
Int32 phaseflag = 0;
if ((phase == SubstancePhase.Saturated_Liquid) || (phase == SubstancePhase.Subcooled)) phaseflag = 1;
else if ((phase == SubstancePhase.Saturated_Vapor) || (phase == SubstancePhase.Superheated)) phaseflag = 2;
else
{
RefpropErrorHandler.ErrorHandler(this, "错误的状态");
}
base.S_TPRHO(T, P, this.MoleFractions, phaseflag);
//base.Thermal2Cal(this.Temperature, this.MoleDensity, this.MoleFractions);
//base.TRNPRPCal(this.temperature, this.density, this.MoleFractions);
}
/// <summary>
/// 已知单相状态的T P计算熵值
/// </summary>
/// <param name="T">温度[K]</param>
/// <param name="P">压力[kPa]</param>
/// <param name="phase">相态</param>
/// <returns></returns>
private double EntropyCal(double T, double P, SubstancePhase phase)
{
EnsureCurrentFluid();
Int32 phaseflag = 0;
if ((phase == SubstancePhase.Saturated_Liquid) || (phase == SubstancePhase.Subcooled)) phaseflag = 1;
else if ((phase == SubstancePhase.Saturated_Vapor) || (phase == SubstancePhase.Superheated)) phaseflag = 2;
else
{
RefpropErrorHandler.ErrorHandler(this, "错误的相态");
return 0;
}
base.S_TPRHO(T, P, this.MassFractions, phaseflag);
base.EntropyCal(T, this.MoleDensity, this.MoleFractions);
return base.entropy;
}
