Liquid Phase Heat Capacity (Shomate Equation) ; 2474.455 · 3.855326 · -256.5478 · -488.7163 · -285.8304. |
Gas Phase Heat Capacity (Shomate Equation) ; -2.534480 · 0.082139 · -250.8810 · 223.3967 · -241.8264 ; 0.098119 · -11.15764 · -272.1797 · 219.7809 · -241.8264. |
To use the formulas, it is necessary first to define t=T/1000. Most data are taken from the NIST database, those marked by * are (re-)fitted by JK. |
1 янв. 2023 г. · This equation being used in examples for calculating the enthalpy of sensible heat around this range of temperatures for steam so i know its valid. |
Heat Capacity of Water. NIST Shomate Equation (http://webbook.nist.gov). ClearAll["`*"] Print["Heat required to raise water from T1 to T2 = ", Integrate[n*Cp ... |
The Shomate equation for the constant pressure heat capacity of a substance is given by Op= A + Bt + Ct² +D+" +E/t where t = T/1000, T being the temperature ... |
1 янв. 2012 г. · The basic idea is to find the temperature where the Gibbs energy of water as a vapor is equal to the Gibbs energy of the liquid. Gas phase water · Shomate parameters for each... |
NIST –JANAF Thermo-chemical Tables is the guide for the Shomate equations coefficients for various compounds. Coefficients may be accessed from the NIST ... |
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