nce.phprop.eosgas

Class GasEosPR

java.lang.Object

nce.base.PropertyEquation

nce.phprop.eosgas.GasEos

nce.phprop.eosgas.GasEosPR

All Implemented Interfaces:

java.io.Serializable

public class GasEosPR
extends GasEos

Peng - Robinson cubic equation of state

Version:

20150517

Author:

Carlo Tegano

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GasEosPR()

Method Summary

Methods

Modifier and Type	Method and Description
double	evalLiquidVolume(double p, double t) Evaluates liquid molar volume with eos.
double	evalPressure(double v, double t) Evalutes fluid pressure with eos.
double	evalResidualEntropyV(double p0, double p, double t) Evaluates vapor phase residual entropy by numerical differentiation of the equation of state at constant pressure.
double	evalTemperature(double p, double v) Evaluates fluid temperature with eos.
double	evalVaporVolume(double p, double t) Evaluates vapor molar volume with eos.
void	init(double[] aPc, double[] aVc, double[] aTc, double[] aAcFac, double[][] binK, double[] y, double sysT)

Methods inherited from class nce.phprop.eosgas.GasEos

evalFugacityCoefficientL, evalFugacityCoefficientV, evalFugacityL, evalFugacityV, evalResidualEnthalpyL, evalResidualEnthalpyV, evalResidualEntropyL, evalResidualGibbsFreeEnergyL, evalResidualGibbsFreeEnergyV, evalResidualInternalEnergyV, evalSatPressure, evalZ, evalZl, evalZl, evalZv, evalZv, getP, getPsat, getT, getVl, getVv, isConsistent, setP, setPsat, setT, setVl, setVv

Methods inherited from class nce.base.PropertyEquation

applyMixRule, getConvAdd, getConvFact, getDescription, getFixedValue, getInputRanges, getLabel, getOutputRanges, getPar, getStatus, setConvAdd, setConvFact, setDescription, setFixedValue, setLabel, setPar, setParameterByIndex, toStringSummary

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GasEosPR

public GasEosPR()

Method Detail

init

public void init(double[] aPc,
        double[] aVc,
        double[] aTc,
        double[] aAcFac,
        double[][] binK,
        double[] y,
        double sysT)
          throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

evalPressure

public double evalPressure(double v,
                  double t)

Description copied from class: GasEos

Evalutes fluid pressure with eos.

Specified by:

evalPressure in class GasEos

Returns:

P

evalTemperature

public double evalTemperature(double p,
                     double v)

Description copied from class: GasEos

Evaluates fluid temperature with eos.

Specified by:

evalTemperature in class GasEos

Returns:

T

evalVaporVolume

public double evalVaporVolume(double p,
                     double t)

Description copied from class: GasEos

Evaluates vapor molar volume with eos.

Specified by:

evalVaporVolume in class GasEos

Returns:

Vapor molar volume

evalLiquidVolume

public double evalLiquidVolume(double p,
                      double t)
                        throws java.lang.ArithmeticException

Description copied from class: GasEos

Evaluates liquid molar volume with eos.

Specified by:

evalLiquidVolume in class GasEos

Returns:

Liquid molar volume

Throws:

java.lang.ArithmeticException

evalResidualEntropyV

public double evalResidualEntropyV(double p0,
                          double p,
                          double t)

Description copied from class: GasEos

Evaluates vapor phase residual entropy by numerical differentiation of the equation of state at constant pressure.

Overrides:

evalResidualEntropyV in class GasEos

Parameters:

p0 - reference pressure, normally 0

p - system pressure

t - system temperature