Equation of state for HFC-134a. More...
#include <HFC134a.h>
Public Member Functions | |
| double | MolWt () |
| Molecular weight [kg/kmol]. More... | |
| double | Tcrit () |
| Critical temperature [K]. More... | |
| double | Pcrit () |
| Critical pressure [Pa]. More... | |
| double | Vcrit () |
| Critical specific volume [m^3/kg]. More... | |
| double | Tmin () |
| Minimum temperature for which the equation of state is valid. More... | |
| double | Tmax () |
| Maximum temperature for which the equation of state is valid. More... | |
| double | Pp () |
| double | fp () |
| double | up () |
| Internal energy of a single-phase state. More... | |
| double | sp () |
| Entropy of a single-phase state. More... | |
| double | Psat () |
| Saturation pressure, Pa. More... | |
 Public Member Functions inherited from Substance | |
| void | setStdState (double h0=0.0, double s0=0.0, double t0=298.15, double p0=1.01325e5) |
| double | hp () |
| Enthaply of a single-phase state. More... | |
| double | gp () |
| Gibbs function of a single-phase state. More... | |
| double | prop (propertyFlag::type ijob) |
| void | set_TPp (double t0, double p0) |
| set T and P More... | |
| void | Set (PropertyPair::type XY, double x0, double y0) |
| Function to set or change the state for a property pair XY where x0 is the value of first property and y0 is the value of the second property. More... | |
| const char * | name () |
| Name of the substance. More... | |
| const char * | formula () |
| Chemical formula for the substance. More... | |
| double | P () |
| Pressure [Pa]. More... | |
| double | Temp () |
| Temperature [K]. More... | |
| double | v () |
| Specific volume [m^3/kg]. More... | |
| double | u () |
| Internal energy [J/kg]. More... | |
| double | h () |
| Enthalpy [J/kg]. More... | |
| double | s () |
| Entropy [J/kg/K]. More... | |
| double | f () |
| Helmholtz function [J/kg]. More... | |
| double | g () |
| Gibbs function [J/kg]. More... | |
| virtual double | cv () |
| Specific heat at constant volume [J/kg/K]. More... | |
| virtual double | cp () |
| Specific heat at constant pressure [J/kg/K]. More... | |
| virtual double | thermalExpansionCoeff () |
| virtual double | isothermalCompressibility () |
| double | Ps () |
| virtual double | dPsdT () |
| The derivative of the saturation pressure with respect to temperature. More... | |
| double | Tsat (double p) |
| Saturation temperature at pressure p. More... | |
| double | x () |
| Vapor mass fraction. More... | |
| int | TwoPhase (bool strict=false) |
| Returns 1 if the current state is a liquid/vapor mixture, 0 otherwise. More... | |
Private Member Functions | |
| double | ldens () |
Additional Inherited Members | |
| Protected Member Functions inherited from Substance | |
| virtual int | ideal () |
| double | vp () |
| int | Lever (int itp, double sat, double val, propertyFlag::type ifunc) |
| Uses the lever rule to set state in the dome. More... | |
| void | update_sat () |
| Update saturated liquid and vapor densities and saturation pressure. More... | |
| Protected Attributes inherited from Substance | |
| double | T |
| double | Rho |
| double | Tslast |
| double | Rhf |
| double | Rhv |
| double | Pst |
| double | m_energy_offset |
| double | m_entropy_offset |
| std::string | m_name |
| std::string | m_formula |
Detailed Description
Equation of state for HFC-134a.
Implements the equation of state given in: R. Tillner-Roth and H. D. Baehr. "An International Standard Formulation for The Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures From 170 K to 455 K and Pressures up to 70 MPa". J. Phys. Chem. Ref. Data, Vol. 23, No. 5, 1994. pp. 657–729. http://dx.doi.org/10.1063/1.555958
Constructor & Destructor Documentation
◆ HFC134a()
Member Function Documentation
◆ MolWt()
|
virtual |
◆ Tcrit()
|
virtual |
◆ Pcrit()
|
virtual |
◆ Vcrit()
|
virtual |
Critical specific volume [m^3/kg].
Implements Substance.
Definition at line 189 of file HFC134a.cpp.
◆ Tmin()
|
virtual |
Minimum temperature for which the equation of state is valid.
Implements Substance.
Definition at line 193 of file HFC134a.cpp.
◆ Tmax()
|
virtual |
Maximum temperature for which the equation of state is valid.
Implements Substance.
Definition at line 197 of file HFC134a.cpp.
◆ Pp()
|
virtual |
Implements Substance.
Definition at line 123 of file HFC134a.cpp.
◆ fp()
| double fp | ( | ) |
Definition at line 65 of file HFC134a.cpp.
◆ up()
|
virtual |
Internal energy of a single-phase state.
Implements Substance.
Definition at line 94 of file HFC134a.cpp.
Referenced by HFC134a::sp().
◆ sp()
|
inlinevirtual |
Entropy of a single-phase state.
Implements Substance.
Definition at line 39 of file HFC134a.h.
References HFC134a::up().
◆ Psat()
|
virtual |
◆ ldens()
|
privatevirtual |
Implements Substance.
Definition at line 169 of file HFC134a.cpp.
The documentation for this class was generated from the following files:
