WOLFRAM SYSTEM MODELER

p1_hs

Pressure as a function of enthalpy and entropy in region 1

Wolfram Language

In[1]:=
SystemModel["Modelica.Media.Water.IF97_Utilities.BaseIF97.Basic.p1_hs"]
Out[1]:=

Information

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

Equation number 1 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 = p1_hs(h, s)

Inputs (2)

h

Type: SpecificEnthalpy (J/kg)

Description: Specific enthalpy

s

Type: SpecificEntropy (J/(kg·K))

Description: Specific entropy

Outputs (1)

p

Type: Pressure (Pa)

Description: Pressure