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16-09U

16-09U


By Velychko - Posted on 20 November 2016

UDC: 
536.12, 536.71, 536.757
PACS: 
05.70.Ln, 51.30.+i, 44.10.+i

Thermodynamic quantities of the low-density gas in the weakly nonequilibrium heat-conduction steady state in the linear temperature profile approximation

Y.A. Humenyuk

The weakly nonequilibrium heat-conduction steady state of a low-density gas is considered in the approximation of the linear temperature profile. Simple analytical estimates for pressure, internal energy, and entropy are obtained. Compressibilities and heat capacities are analyzed. The result for the entropy is shown to be compatible with the second law of thermodynamics. The approximation of the displaced linear temperature profile is introduced, which is aimed to take into account nonlinearity of the true temperature profile.

Year: 
2016
Pages: 
32
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