Thermodynamic Properties of Ordinary Water Substance for Industrial Use

in region 1 of IAPWS-IF97:

Backward Equations: T(p, h)

Developed by Russian National Committee (RNC) of

International Association for the Properties of Water and Steam (IAPWS).

This calculation page is based on the

"Revised Release on the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and

Steam" [1] (named as IAPWS-IF97) provided by IAPWS.

Detailed information about used equations, constants, range of validity etc is presented in PDF version of IAPWS

Authors (and responsible persons):

Input parameters

Formulation reference values

Dimensionless input parameters

Main backward equation

The temperature is represented by the equation

Eq. (11) in [1]

Extracting data to vectors:

The dimensionless temperature

Eq. (11) in [1]

Temperature

References

1. Revised Release on the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and

Steam. Lucerne, Switzerland, August 2007, available at http://www.iapws.org