Equation 6 from:
The International Association for the Properties of Water and Steam
Milan, Italy
September 1993
Release on the Pressure along the Melting and the Sublimation Curves of
Ordinary Water Substance
function sublimationPressure_T extends Modelica.Icons.Function; input SI.Temperature T "Temperature"; output SI.Pressure psubl "Sublimation pressure (for T from 190 to 273.16)"; end sublimationPressure_T;