packageUtilities
Utility package for moist air
Extends from Modelica.Icons.UtilitiesPackage (Icon for utility packages).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| MoleFraction | MMX | {18.015257E-003, 28.01348E-003, 31.9988E-003, 39.948E-003} | |
| Real | Xi_Air | {0.7557, 0.2316, 0.0127} |
Contents
| Name | Description |
|---|---|
 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 avoiding the region validity checks for region 2 |
| 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 ratio (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 |