Analysis of equation of state and thermodynamic functions for trans-decahydronaphthalene up to 200~MPa and 446~K |
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| Authors: | Li Ming Chen Cui-Ling Sun Jiu-Xun Tian Rong-Gang and Xiao Jian-Rong |
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| Institution: | [1]Department of Mathematics and Physics, Guilin University of Technology, Guilin 541004, China [2]Department of Mathematics Science, Guangxi Normal University, Gailin 541004, China [3]Department of Applied Physics, University of Electronic Science and Technology, Chengdu 610054, China |
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| Abstract: | This paper develops a modified Tait equation of state (EOS) for
trans-decahydronaphthalene with four parameters A, B, V0 and
P0 being treated as linear functions of temperature. The
coefficients contained in these functions are determined through
fitting the experimental compression data in the literature between 293~K
and 446~K and at pressures from 10 to 200~MPa. Expressions for
the thermal expansivity, isothermal compressibility and
thermodynamic quantities are deduced and the numerical results are
analytically derived. The numerical results show that the precision
of the modified Tait EOS developed in this paper is superior to the
EOS in the literature. |
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| Keywords: | trans-decahydronaphthalene Tait
equation thermal expansivity isothermal compressibility |
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