com.hummeling.if97

Class IF97.Calculate

java.lang.Object

com.hummeling.if97.IF97.Calculate

Enclosing class:

IF97

private static class IF97.Calculate
extends java.lang.Object

Calculate in default units.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	IF97.Calculate()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) static double	dielectricConstantRhoT(double rho, double T) Dielectric constant.
(package private) static double	dynamicViscosityRhoT(double rho, double T) Dynamic viscosity.
private static double	partialDerivativePT(double p, double T, IF97.Quantity x, IF97.Quantity y, IF97.Quantity z) Partial derivative of z with respect to x for constant y, as a function of pressure and temperature.
private static double	partialDerivativeRhoT(double rho, double T, IF97.Quantity x, IF97.Quantity y, IF97.Quantity z) Partial derivative of z with respect to x for constant y, as a function of specific volume and temperature.
private static double[]	partialDerivativesNuT(double nu, double T, IF97.Quantity quantity, double p, double s, double cv, double alphap, double betap) Partial derivatives of the given quantity with respect to specific volume and temperature for region 3 described by specific Helmholtz free energy.
private static double[]	partialDerivativesPT(double p, double T, IF97.Quantity quantity, double nu, double s, double cp, double alphanu, double kappaT) Partial derivatives of the given quantity with respect to pressure and temperature for regions described by specific Gibbs free energy.
(package private) static double	PrandtlPT(double p, double T) Prandtl number.
(package private) static double	refractiveIndexRhoTLambda(double rho, double T, double lambda) Refractive index.
(package private) static double	specificVolumePT(double p, double T) Specific volume as a function of pressure & temperature.
(package private) static double	speedOfSoundPT(double p, double T) Speed of sound as a function of pressure & temperature.
(package private) static double	surfaceTensionT(double T) Surface tension as a function of temperature.
(package private) static double	temperaturePH(double p, double h) Temperature.
(package private) static double	thermalConductivityPT(double p, double T) Thermal conductivity as a function of pressure & temperature.
(package private) static double	thermalConductivityRhoT(double rho, double T)

Methods inherited from class java.lang.Object

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

Constructor Detail

IF97.Calculate

private IF97.Calculate()

Method Detail

PrandtlPT

static double PrandtlPT(double p,
               double T)
                 throws OutOfRangeException

Prandtl number.

Parameters:

p - pressure [MPa]

T - temperature [K]

Returns:

Prandtl number [-]

Throws:

OutOfRangeException - out-of-range exception

dielectricConstantRhoT

static double dielectricConstantRhoT(double rho,
                            double T)
                              throws OutOfRangeException

Dielectric constant.

Parameters:

rho - density [kg/m3]

T - temperature [K]

Returns:

dielectric constant [-]

Throws:

OutOfRangeException - out-of-range exception

dynamicViscosityRhoT

static double dynamicViscosityRhoT(double rho,
                          double T)
                            throws OutOfRangeException

Dynamic viscosity.

Parameters:

rho - density [kg/m3]

T - temperature [K]

Returns:

dynamic viscosity [Pa-s]

Throws:

OutOfRangeException - out-of-range exception

partialDerivativePT

private static double partialDerivativePT(double p,
                         double T,
                         IF97.Quantity x,
                         IF97.Quantity y,
                         IF97.Quantity z)
                                   throws OutOfRangeException

Partial derivative of z with respect to x for constant y, as a function of pressure and temperature. This method is for regions described by specific Gibbs free energy.

Parameters:

p - pressure [MPa]

T - temperature [K]

x - any quantity

y - any quantity

z - any quantity

Returns:

partial derivative

Throws:

OutOfRangeException

partialDerivativeRhoT

private static double partialDerivativeRhoT(double rho,
                           double T,
                           IF97.Quantity x,
                           IF97.Quantity y,
                           IF97.Quantity z)
                                     throws OutOfRangeException

Partial derivative of z with respect to x for constant y, as a function of specific volume and temperature. This method is for region 3 described by specific Helmholtz free energy.

Parameters:

rho - density [kg/m³]

T - temperature [K]

x - any quantity

y - any quantity

z - any quantity

Returns:

partial derivative

Throws:

OutOfRangeException

partialDerivativesNuT

private static double[] partialDerivativesNuT(double nu,
                             double T,
                             IF97.Quantity quantity,
                             double p,
                             double s,
                             double cv,
                             double alphap,
                             double betap)

Partial derivatives of the given quantity with respect to specific volume and temperature for region 3 described by specific Helmholtz free energy.

Parameters:

nu - specific volume [m³/kg]

T - temperature [K]

quantity - quantity

p - pressure [MPa]

s - specific entropy [kJ/kg-K]

cv -

alphap -

betap -

Returns:

partial derivatives d/dν and d/dT

Throws:

java.lang.Exception

partialDerivativesPT

private static double[] partialDerivativesPT(double p,
                            double T,
                            IF97.Quantity quantity,
                            double nu,
                            double s,
                            double cp,
                            double alphanu,
                            double kappaT)

Partial derivatives of the given quantity with respect to pressure and temperature for regions described by specific Gibbs free energy.

Parameters:

p - pressure [MPa]

T - temperature [K]

quantity - quantity

nu - specific volume [m³/kg]

s - specific entropy [kJ/kg-K]

cp - specific isobaric heat capacity

alphanu - isobaric cubic expansion coefficient

kappaT - isothermal compressibility

Returns:

partial derivatives d/dT and d/dp

Throws:

java.lang.Exception

refractiveIndexRhoTLambda

static double refractiveIndexRhoTLambda(double rho,
                               double T,
                               double lambda)
                                 throws OutOfRangeException

Refractive index.

Parameters:

rho - density [kg/m³]

T - temperature [K]

lambda - wavelength [μm]

Returns:

refractive index [-]

Throws:

OutOfRangeException - out-of-range exception

specificVolumePT

static double specificVolumePT(double p,
                      double T)
                        throws OutOfRangeException

Specific volume as a function of pressure & temperature.

Parameters:

p - pressure [MPa]

T - temperature [K]

Returns:

specific volume [m³/kg]

Throws:

OutOfRangeException - out-of-range exception

speedOfSoundPT

static double speedOfSoundPT(double p,
                    double T)
                      throws OutOfRangeException

Speed of sound as a function of pressure & temperature.

Parameters:

p - pressure [MPa]

T - temperature [K]

Returns:

speed of sound [m/s]

Throws:

OutOfRangeException - out-of-range exception

surfaceTensionT

static double surfaceTensionT(double T)
                       throws OutOfRangeException

Surface tension as a function of temperature.

Parameters:

T - temperature [K]

Returns:

surface tension [N/m]

Throws:

OutOfRangeException - out-of-range exception

temperaturePH

static double temperaturePH(double p,
                   double h)
                     throws OutOfRangeException

Temperature.

Parameters:

p - pressure [MPa]

h - specific enthalpy [kJ/kg]

Returns:

temperature [K]

Throws:

OutOfRangeException - out-of-range exception

thermalConductivityPT

static double thermalConductivityPT(double p,
                           double T)
                             throws OutOfRangeException

Thermal conductivity as a function of pressure & temperature.

Parameters:

p - pressure [MPa]

T - temperature [K]

Returns:

thermal conductivity []

Throws:

OutOfRangeException - out-of-range exception

thermalConductivityRhoT

static double thermalConductivityRhoT(double rho,
                             double T)
                               throws OutOfRangeException

Throws:

OutOfRangeException