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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 2013, Volume 53, Number 11, Pages 1856–1868
DOI: https://doi.org/10.7868/S0044466913110094 (Mi zvmmf9947) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Numerical study of the Couette flow of a diatomic rarefied gas

I. A. Kostromina, V. A. Rykovb

a Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russia
b Dorodnicyn Computing Center, Russian Academy of Sciences, ul. Vavilova 40, Moscow, 119333, Russia
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DOI: https://doi.org/10.7868/S0044466913110094
Abstract: The Couette flow is numerically studied using a model kinetic equation for a diatomic rarefied gas (nitrogen). The boundary condition set on the wall takes into account that the molecular rotational energy passes into translational energy when the molecule interacts with the wall. For comparison purposes, the Couette flow is computed using the classical diffuse model of the gas-wall interaction. A comparison of the results obtained with both types of boundary conditions shows that the computed parameters of the Couette flow coincide only for sufficiently low Knudsen numbers. This suggests that transitions between rotational and translational energy in the gas-wall interaction have to be taken into account in the boundary condition.
Key words: rarefied gas, model kinetic equation, diatomic gas, Couette flow.
Received: 15.05.2013
Revised: 21.05.2013
English version:
Computational Mathematics and Mathematical Physics, 2013, Volume 53, Issue 11, Pages 1684–1695
DOI: https://doi.org/10.1134/S0965542513110067
Bibliographic databases:
Document Type: Article
UDC: 519.634
Language: Russian
Citation: I. A. Kostromin, V. A. Rykov, “Numerical study of the Couette flow of a diatomic rarefied gas”, Zh. Vychisl. Mat. Mat. Fiz., 53:11 (2013), 1856–1868; Comput. Math. Math. Phys., 53:11 (2013), 1684–1695
Citation in format AMSBIB
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    • This publication is cited in the following 1 articles:
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    		Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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