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hPolynomialThermo< EquationOfState, PolySize > Class Template Reference
Thermophysical models » Specie » Thermodynamics

Thermodynamics package templated on the equation of state, using polynomial functions for cp, h and s. More...

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Public Member Functions

 hPolynomialThermo (const dictionary &dict)
 Construct from dictionary. More...
 
 hPolynomialThermo (const word &, const hPolynomialThermo &)
 Construct as a named copy. More...
 
scalar limit (const scalar) const
 Limit temperature to be within the range. More...
 
scalar Cp (const scalar p, const scalar T) const
 Heat capacity at constant pressure [J/(kg K)]. More...
 
scalar Ha (const scalar p, const scalar T) const
 Absolute Enthalpy [J/kg]. More...
 
scalar Hs (const scalar p, const scalar T) const
 Sensible enthalpy [J/kg]. More...
 
scalar Hc () const
 Chemical enthalpy [J/kg]. More...
 
scalar S (const scalar p, const scalar T) const
 Entropy [J/(kg K)]. More...
 
scalar Gstd (const scalar T) const
 Gibbs free energy of the mixture in the standard state [J/kg]. More...
 
scalar dCpdT (const scalar p, const scalar T) const
 Temperature derivative of heat capacity at constant pressure. More...
 
void write (Ostream &os) const
 Write to Ostream. More...
 
void operator+= (const hPolynomialThermo &)
 
void operator*= (const scalar)
 

Static Public Member Functions

static word typeName ()
 Return the instantiated type name. More...
 

Friends

hPolynomialThermo operator+ (const hPolynomialThermo &, const hPolynomialThermo &)
 
hPolynomialThermo operator* (const scalar, const hPolynomialThermo &)
 
hPolynomialThermo operator== (const hPolynomialThermo &, const hPolynomialThermo &)
 
Ostream & operator (Ostream &, const hPolynomialThermo &)
 

Detailed Description

template<class EquationOfState, int PolySize = 8>
class Foam::hPolynomialThermo< EquationOfState, PolySize >

Thermodynamics package templated on the equation of state, using polynomial functions for cp, h and s.

Polynomials for h and s derived from cp.

Usage
Property Description
Hf Heat of formation
Sf Standard entropy
CpCoeffs<8> Specific heat at constant pressure polynomial coeffs

Example of the specification of the thermodynamic properties: 

    thermodynamics
    {
        Hf              0;
        Sf              0;
        CpCoeffs<8>     ( 1000 -0.05 0.003 0 0 0 0 0 );
    }

The polynomial expression is evaluated as so:

\[ Cp = 1000 - 0.05 T + 0.003 T^2 \]

Note
  • Heat of formation is inputted in [J/kg], but internally uses [J/kmol]
  • Standard entropy is inputted in [J/kg/K], but internally uses [J/kmol/K]
  • Specific heat at constant pressure polynomial coefficients evaluate to an expression in [J/(kg.K)].
Source files
See also
Foam::Polynomial

Definition at line 100 of file hPolynomialThermo.H.

Constructor & Destructor Documentation

◆ hPolynomialThermo() [1/2]

hPolynomialThermo ( const dictionary &  dict)

Construct from dictionary.

Definition at line 29 of file hPolynomialThermo.C.

References H(), and Foam::constant::standard::Pstd.

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◆ hPolynomialThermo() [2/2]

hPolynomialThermo ( const word &  name,
const hPolynomialThermo< EquationOfState, PolySize > &  pt 
)
inline

Construct as a named copy.

Definition at line 50 of file hPolynomialThermoI.H.

Member Function Documentation

◆ typeName()

static word typeName ( )
inlinestatic

Return the instantiated type name.

Definition at line 237 of file hPolynomialThermo.H.

◆ limit()

Foam::scalar limit ( const scalar  T) const
inline

Limit temperature to be within the range.

Definition at line 68 of file hPolynomialThermoI.H.

References Foam::T().

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◆ Cp()

Foam::scalar Cp ( const scalar  p,
const scalar  T 
) const
inline

Heat capacity at constant pressure [J/(kg K)].

Definition at line 78 of file hPolynomialThermoI.H.

References Cp, p, and Foam::T().

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◆ Ha()

Foam::scalar Ha ( const scalar  p,
const scalar  T 
) const
inline

Absolute Enthalpy [J/kg].

Definition at line 88 of file hPolynomialThermoI.H.

References H(), p, and Foam::T().

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◆ Hs()

Foam::scalar Hs ( const scalar  p,
const scalar  T 
) const
inline

Sensible enthalpy [J/kg].

Definition at line 98 of file hPolynomialThermoI.H.

References Ha(), p, and Foam::T().

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◆ Hc()

Foam::scalar Hc ( ) const
inline

Chemical enthalpy [J/kg].

Definition at line 107 of file hPolynomialThermoI.H.

◆ S()

Foam::scalar S ( const scalar  p,
const scalar  T 
) const
inline

Entropy [J/(kg K)].

Definition at line 116 of file hPolynomialThermoI.H.

References p, and Foam::T().

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◆ Gstd()

Foam::scalar Gstd ( const scalar  T) const
inline

Gibbs free energy of the mixture in the standard state [J/kg].

Definition at line 127 of file hPolynomialThermoI.H.

References Foam::T().

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◆ dCpdT()

Foam::scalar dCpdT ( const scalar  p,
const scalar  T 
) const
inline

Temperature derivative of heat capacity at constant pressure.

Definition at line 137 of file hPolynomialThermoI.H.

References Foam::T().

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◆ write()

void write ( Ostream &  os) const

Write to Ostream.

Definition at line 60 of file hPolynomialThermo.C.

References os(), and Foam::vtk::write().

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◆ operator+=()

void operator+= ( const hPolynomialThermo< EquationOfState, PolySize > &  )
inline

Definition at line 152 of file hPolynomialThermoI.H.

References Foam::mag(), and Y.

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◆ operator*=()

void operator*= ( const scalar  s)
inline

Definition at line 176 of file hPolynomialThermoI.H.

References s.

Friends And Related Function Documentation

◆ operator+

hPolynomialThermo operator+ ( const hPolynomialThermo< EquationOfState, PolySize > &  ,
const hPolynomialThermo< EquationOfState, PolySize > &   
)
friend

◆ operator*

hPolynomialThermo operator* ( const scalar  ,
const hPolynomialThermo< EquationOfState, PolySize > &   
)
friend

◆ operator==

hPolynomialThermo operator== ( const hPolynomialThermo< EquationOfState, PolySize > &  ,
const hPolynomialThermo< EquationOfState, PolySize > &   
)
friend

◆ operator

Ostream& operator ( Ostream &  ,
const hPolynomialThermo< EquationOfState, PolySize > &   
)
friend
The documentation for this class was generated from the following files: