Temperature in IF-97 region 1

To process this page used the WSP function "wspT1HS": temperature in IF-97 region 1 [K] as function of specific enthalpy h [J/kg], specific entropy s [J/(kg·K)].

Function is based upon "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" (September 2001). Since at some stages the function use iterations, to speed up calculations you may disable precision mode (functions wspGETTOLERANCEMODE and wspSETTOLERANCEMODE) or vary relative precision for internal iterations (functions wspGETTOLERANCE and wspSETTOLERANCE).

WSP is a registered trademark of Konstantin Orlov.