Pure species representation of heptane. More...
#include <Heptane.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 () |
| Pressure. Equation P-2 in Reynolds. More... | |
| double | up () |
| double | sp () |
| Entropy. See Reynolds eqn (16) section 2. More... | |
| double | Psat () |
| Pressure at Saturation. Equation S-2 in Reynolds. 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 () |
| liquid density. Equation D2 in Reynolds. More... | |
| double | C (int jm, double, double, double, double) |
| double | Cprime (int i, double, double, double) |
| derivative of C(i) More... | |
| double | I (int i, double, double) |
| double | H (int i, double egrho) |
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
Pure species representation of heptane.
Values and functions are from "Thermodynamic Properties in SI" by W.C. Reynolds
Member Function Documentation
◆ MolWt()
|
virtual |
◆ Tcrit()
|
virtual |
◆ Pcrit()
|
virtual |
◆ Vcrit()
|
virtual |
Critical specific volume [m^3/kg].
Implements Substance.
Definition at line 246 of file Heptane.cpp.
◆ Tmin()
|
virtual |
Minimum temperature for which the equation of state is valid.
Implements Substance.
Definition at line 250 of file Heptane.cpp.
◆ Tmax()
|
virtual |
Maximum temperature for which the equation of state is valid.
Implements Substance.
Definition at line 254 of file Heptane.cpp.
◆ Pp()
|
virtual |
Pressure. Equation P-2 in Reynolds.
Implements Substance.
Definition at line 191 of file Heptane.cpp.
◆ up()
|
virtual |
internal energy. See Reynolds eqn (15) section 2 u = (the integral from T to To of co(T)dT) + sum from i to N ([C(i) - T*Cprime(i)] + uo
Implements Substance.
Definition at line 150 of file Heptane.cpp.
◆ sp()
|
virtual |
Entropy. See Reynolds eqn (16) section 2.
Implements Substance.
Definition at line 171 of file Heptane.cpp.
◆ Psat()
|
virtual |
Pressure at Saturation. Equation S-2 in Reynolds.
Implements Substance.
Definition at line 206 of file Heptane.cpp.
◆ ldens()
|
privatevirtual |
liquid density. Equation D2 in Reynolds.
Implements Substance.
Definition at line 221 of file Heptane.cpp.
◆ C()
|
private |
C returns a multiplier in each term of the sum in P-2, used in conjunction with C in the function Pp
- j is used to represent which of the values in the summation to calculate
- j=0 is the second additive in the formula in reynolds
- j=1 is the third...
Definition at line 79 of file Heptane.cpp.
◆ Cprime()
|
private |
derivative of C(i)
Definition at line 101 of file Heptane.cpp.
◆ I()
|
private |
I = integral from o-rho { 1/(rho^2) * H(i, rho) d rho } ( see section 2 of Reynolds TPSI )
Definition at line 121 of file Heptane.cpp.
◆ H()
|
private |
H returns a multiplier in each term of the sum in P-2. this is used in conjunction with C in the function Pp this represents the product rho^n
- i=0 is the second additive in the formula in reynolds
- i=1 is the third ...
Definition at line 137 of file Heptane.cpp.
The documentation for this class was generated from the following files:
