Contents - Index
PARAHYDROGEN provides high accuracy thermodynamic properties for parahydrogen (Molar mass =2.01594 kg/kmol) using the Fundamental Equation of State, as described by:
Fundamental Equations of State for Parahydrogen, Normal Hydrogen, and Orthohydrogen
J. W. Leachman, R. T Jacobsen, S. G. Penoncello, and E. W. Lemmon
J. Phys. Chem. Ref. Data 38, 721 (2009)
h = 4426 kJ/kg, s = 56.70 kJ/kg-K at 298.15 K, 101.325 kPa. The reference state can be changed using the $Reference directive.
Range of applicability for equation of state:
13.8 < T < 1000 K
0 < P < 2000 MPa
Viscosity data are provided from:
Measurements of the Viscosity of Parahydrogen
Dwain E. Diller
J. Chem. Phys. 42, 2089 (1965); doi:10.1063/1.1696250
Issue Date: 15 March 1965
Conductivity for low pressure gaseous and saturated liquid parahydrogen is based on data from:
Vargaftik, N.B., Filippov, L.P, Tarzimanov, A.A., and Totskii, E.E.,
Handbook of Thermal Conductivity of Liquids and Gases
CRC Press, 1994, ISBN 0-8493-9345-0
Surface tension data are provided using the information in:
Mulero, A., Cachadina, I, and Parra, M.
"Recommended Correlations for the Surface Tension of Common Fluids"
J.Phys. Chem Ref. Data, Vol. 41, No.4, 2012
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