.SiemensPower.Media.TTSE.Utilities.rho_ph_dh

Information

This function returns the partial derivative of rho wrt h versus p and h according to TTSE.

Author:	Julien Bonifay	SCD
Checked by:
Protection class:	internal

Copyright © 2007 Siemens AG. All rights reserved.

This model is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. For details see disclaimer

Interface

function rho_ph_dh
  import SI = Modelica.SIunits;
  input SI.Pressure p "Pressure";
  input SI.SpecificEnthalpy h "Specific Enthalpy";
  input Integer phase = 0 "2 for two-phase, 1 for one-phase, 0 if not known";
  output Real drho_dh "Partial derivative drho/dh";
end rho_ph_dh;

Revisions

• May 2011 by Julien Bonifay