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IAPWS SR1-86(1992)
Revised Supplementary Release on Saturation Properties of Ordinary Water Substance
September 1992

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This Supplementary Release provides simple formulations for the saturation pressure of ordinary water as a function of temperature, and also of the saturated vapor and liquid densities, enthalpies, and entropies.
It is intended to provide a convenient and simple approximation to the complete IAPWS-95 formulation for users who only need properties at saturation conditions. It can also provide good initial guesses for calculations with the IAPWS-95 formulation.
The development of the correlations is described in detail in a scientific article.

Revision History

This Supplementary Release is the product of the Working Group "Thermophysical Properties of Water and Steam" (TPWS) of the International Association for the Properties of Water and Steam (IAPWS).

This page updated May 29, 2018

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