Второй вириальный коэффициент водяного пара
A new correlation has been developed to represent the second virial coefficient of
water (H2O) as a function of temperature. The formulation was fitted to experimental
data, both for the second virial coefficient itself and for a quantity related to its first
temperature derivative, at temperatures between approximately 310 and 1170 K. The
high-temperature extrapolation behavior was guided by results calculated from a highquality
intermolecular pair potential. The new correlation agrees well with the experimental
data deemed to be reliable, and at high temperatures is a significant improvement
over the best previous formulation.
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Allan H. Harveya, Eric W. Lemmon Correlation for the Second Virial Coefficient of Water
