Modelica.Media.Air.ReferenceMoistAir.Utilities

Information

Package Content

Name	Description
MMX={18.015257E-003,28.01348E-003,31.9988E-003,39.948E-003}
Xi_Air={0.7557,0.2316,0.0127}
Inverses	Compute inverse function
Transport	Package for transport properties of moist air
VirialCoefficients	Virial and cross-virial coefficients of air and water
ReactionIndices	Parameters and equations for determining reaction variables (dissociation VDI 4670)
IF97_new	Workaround for IF97
Water95_Utilities	Utility functions from IAPWS95 required for air temperatures below 273.15 K
Ice09_Utilities	Utility functions from IAPWS09 required for ice in air
beta_H	Henry's law constant
f_pT	Enhancement factor as function of pressure and temperature
rho_pTX	Return density as a function of pressure p, temperature T and composition X
pds_pT	Saturation partial pressure of steam
pd_pTX	partial pressure of steam
xws_pT	Humidity ration (absolute) of saturated humid air
phi_pTX	Relative humidity
cp_pTX	Specific isobaric heat capacity
cv_pTX	Specific isochoric heat capacity
h_pTX	Specific enthalpy of moist air
h_dis_pTX
s_pTX	Specific entropy of moist air
u_pTX	Internal energy
cp_dis_pTX
s_dis_pTX
pd_pTX_der	Derivative of partial pressure of steam
xws_pT_der	Derivative of humidity ration (absolute) of saturated humid air
pds_pT_der	Derivative of saturation partial pressure of steam
rho_pTX_der	Derivative of density as a function of pressure p, temperature T and composition X
h_dis_pTX_der
h_pTX_der	Derivative of specific enthalpy of moist air
u_pTX_der	Derivative of internal energy

Modelica.Media.Air.ReferenceMoistAir.Utilities.beta_H

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]

Outputs

Name	Description
beta_H	Henry's law constant [1/Pa]

Modelica.Media.Air.ReferenceMoistAir.Utilities.f_pT

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]

Outputs

Name	Description
f	Vapor-pressure enhancement factor

Modelica.Media.Air.ReferenceMoistAir.Utilities.rho_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
d	Density [kg/m3]

Modelica.Media.Air.ReferenceMoistAir.Utilities.pds_pT

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]

Outputs

Name	Description
pds	Pressure [Pa]

Modelica.Media.Air.ReferenceMoistAir.Utilities.pd_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
pd	partial pressure [Pa]

Modelica.Media.Air.ReferenceMoistAir.Utilities.xws_pT

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]

Outputs

Name	Description
xws	Absolute humidity ratio

Modelica.Media.Air.ReferenceMoistAir.Utilities.phi_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
phi	Relative humidity

Modelica.Media.Air.ReferenceMoistAir.Utilities.cp_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
cp	Specific heat capacity [J/(kg.K)]

Modelica.Media.Air.ReferenceMoistAir.Utilities.cv_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
cv	Specific heat capacity [J/(kg.K)]

Modelica.Media.Air.ReferenceMoistAir.Utilities.h_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
h	Specific enthalpy [J/kg]

Modelica.Media.Air.ReferenceMoistAir.Utilities.h_dis_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
u	Reaction index

Modelica.Media.Air.ReferenceMoistAir.Utilities.s_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
s	Specific entropy [J/(kg.K)]

Modelica.Media.Air.ReferenceMoistAir.Utilities.u_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
u	Specific entropy [J/kg]

Modelica.Media.Air.ReferenceMoistAir.Utilities.cp_dis_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
u	Reaction index

Modelica.Media.Air.ReferenceMoistAir.Utilities.s_dis_pTX

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]

Outputs

Name	Description
u	Reaction index

Modelica.Media.Air.ReferenceMoistAir.Utilities.pd_pTX_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]
p_der	Derivative of pressure
T_der	Derivative of temperature
X_der[:]	Derivative of mass fractions

Outputs

Name	Description
pd_der	Derivative of partial pressure

Modelica.Media.Air.ReferenceMoistAir.Utilities.xws_pT_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
p_der	Derivative of pressure
T_der	Derivative of temperature

Outputs

Name	Description
xws_der	Derivative of absolute humidity ratio

Modelica.Media.Air.ReferenceMoistAir.Utilities.pds_pT_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
p_der	Derivative of pressure
T_der	Derivative of temperature

Outputs

Name	Description
pds_der	Derivative of pressure

Modelica.Media.Air.ReferenceMoistAir.Utilities.rho_pTX_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]
p_der	Derivative of pressure
T_der	Derivative of temperature
X_der[:]	Derivative of mass fractions

Outputs

Name	Description
d_der	Derivative of density

Modelica.Media.Air.ReferenceMoistAir.Utilities.h_dis_pTX_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]
p_der	Derivative of pressure
T_der	Derivative of temperature
X_der[:]	Derivative of mass fractions

Outputs

Name	Description
u_der	Derivative of reaction index

Modelica.Media.Air.ReferenceMoistAir.Utilities.h_pTX_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]
p_der	Derivative of pressure
T_der	Derivative of temperature
X_der[:]	Derivative of mass fractions

Outputs

Name	Description
h_der	Derivative of specific enthalpy

Modelica.Media.Air.ReferenceMoistAir.Utilities.u_pTX_der

Information

Inputs

Name	Description
p	Pressure [Pa]
T	Temperature [K]
X[:]	Mass fractions [1]
p_der	Derivative of pressure
T_der	Derivative of temperature
X_der[:]	Derivative of mass fractions

Outputs

Name	Description
u_der	Derivative of specific entropy