pMeltT {IAPWS95} | R Documentation |
Melting Pressure, Function of Temperature
Description
The function pMeltT(Temp,digits=9)
returns the water melting pressure,
pMelt [ MPa ], for a given Temp [K].
Usage
pMeltT(Temp, digits = 9)
Arguments
Temp |
Temperature [K] |
digits |
Digits of results (optional) |
Details
This function calls a Fortran DLL that solves the equations given at the Revised Release on the Pressure along the Melting and Sublimation Curves of Ordinary Water Substance (September 2011), developed by the International Association for the Properties of Water and Steam, http://www.iapws.org/relguide/MeltSub.html. It is valid from the Temperature of 256.164 [K] to the Temperature of 715 [K].
Value
The melting pressure: pMelt [ MPa ] for regions III, V , VI and VII
The melting pressure: pMeltIh [ MPa ] for region Ih
The sublimation pressure: pSubl [ MPa ], below triple point Temperature
Error message (if an error occur)
Examples
Temp <- 275.
p_Melt <- pMeltT(Temp)
p_Melt