WOLFRAM SYSTEM MODELER

p2a_hs

Pressure as a function of enthalpy and entropy in subregion 2a

Wolfram Language

In[1]:=

SystemModel["Modelica.Media.Water.IF97_Utilities.BaseIF97.Basic.p2a_hs"]

Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Equation number 3 from:
The International Association for the Properties of Water and Steam
Gaithersburg, Maryland, USA
September 2001
Supplementary Release on Backward Equations for Pressure as a Function of Enthalpy and Entropy p(h,s) to the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam

Syntax

p = p2a_hs(h, s)

Inputs (2)

h	Type: SpecificEnthalpy (J/kg) Description: Specific enthalpy
s	Type: SpecificEntropy (J/(kg⋅K)) Description: Specific entropy

Type: SpecificEnthalpy (J/kg)

Description: Specific enthalpy

Type: SpecificEntropy (J/(kg⋅K))

Description: Specific entropy

Outputs (1)

p	Type: Pressure (Pa) Description: Pressure