.SiemensPower.Media.TTSE.Utilities.der_T_ph

Information

This function returns the time derivative of the temperature as function of p and h according to the chain rule. The partial derivatives are build with help of TTSE functions.

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 der_T_ph
  import SI = Modelica.SIunits;
  input SI.AbsolutePressure p "Pressure";
  input SI.SpecificEnthalpy h "Specific Enthalpy";
  input Integer phase = 0 "2 for two-phase, 1 for one-phase, 0 if not known";
  input Real der_p(unit = "Pa/s") "Time derivative of pressure";
  input Real der_h(unit = "J/(kg.s)") "Time derivative of specific enthalpy";
  output Real der_T(unit = "K/s") "Time derivative of temperature";
end der_T_ph;

Revisions

• May 2011 by Julien Bonifay