On the six-field model of fluids based on extended thermodynamics

We study the six-field model of fluids (ET6) derived from extended thermodynamics. The six fields are the mass density, the velocity, the temperature, and the dynamic pressure (nonequilibrium pressure). We present the basic system of field equations of ET6. And we elucidate its characteristic featur...

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Bibliographic Details
Published in:Meccanica (Milan) 2014-09, Vol.49 (9), p.2181-2187
Main Authors: Arima, Takashi, Ruggeri, Tommaso, Sugiyama, Masaru, Taniguchi, Shigeru
Format: Article
Language:English
Subjects:
Automotive Engineering
Civil Engineering
Classical Mechanics
Mechanical Engineering
New Trends in Fluid and Solid Mechanical Models
Physics
Physics and Astronomy
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Summary:We study the six-field model of fluids (ET6) derived from extended thermodynamics. The six fields are the mass density, the velocity, the temperature, and the dynamic pressure (nonequilibrium pressure). We present the basic system of field equations of ET6. And we elucidate its characteristic features through the studies of the singular limit from polyatomic to monatomic rarefied gases, of hydrodynamic fluctuation, and of a hard-sphere system. Open problems remained in ET6 at present are also pointed out.
ISSN:0025-6455
1572-9648
DOI:10.1007/s11012-014-9886-0