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LOW-TEMPERATURE EQUATION OF STATE OF SOLID METHANE

Journal: REFRIGERATION ENGINEERING AND TECHNOLOGY (Vol.52, No. 1)

Publication Date:

Authors : ; ;

Page : 80-85

Keywords : Methane; Equation of State; Sublimation Line; Thermal Expansion Coefficient; Heat Capacity.;

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Abstract

The theoretical equation of state for solid methane, developed within the framework of perturbation theory, with the crystal consisting of spherical molecules as zero-order approximation, and octupole-octupole interaction of methane molecules as a perturbation, is proposed. Thermodynamic functions are computed on the sublimation line up to the triple point. The contribution of the octupole-octupole interaction to the thermodynamic properties of solid methane is estimated.

Last modified: 2016-08-28 23:20:12