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Zh. Vychisl. Mat. Mat. Fiz., 2014, Volume 54, Number 8, Pages 1332–1344 (Mi zvmmf10079)  

This article is cited in 1 scientific paper (total in 1 paper)

Numerical study of unsteady rarefied diatomic gas flows in a plane microchannel

I. N. Larina, V. A. Rykov

Dorodnicyn Computing Center, Russian Academy of Sciences, ul. Vavilova 40, Moscow, 119333, Russia

Abstract: The numerical solution of a kinetic equation for a diatomic gas (nitrogen) is used to study two-dimensional unsteady gas flows in a plane microchannel caused by discontinuous in the initial distributions of macroscopic gas parameters. The plane discontinuity fronts are perpendicular to the walls of the channel. The arising flows are model ones for gas flows in a shock tube and a microchannel. The reflection of an incident shock wave from a flat end face is studied. It is found that the gas piles up at the cold wall, which slows down the shock wave detachment. The numerical results are in qualitative agreement with experimental data.

Key words: rarefied gas (nitrogen), kinetic equation, diatomic gas, R-model, two-dimensional unsteady flows, finite-difference method.

DOI: https://doi.org/10.7868/S0044466914080080

Full text: PDF file (702 kB)
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English version:
Computational Mathematics and Mathematical Physics, 2014, 54:8, 1293–1304

Bibliographic databases:

UDC: 519.634
MSC: 76P05, 65M06
Received: 24.12.2013

Citation: I. N. Larina, V. A. Rykov, “Numerical study of unsteady rarefied diatomic gas flows in a plane microchannel”, Zh. Vychisl. Mat. Mat. Fiz., 54:8 (2014), 1332–1344; Comput. Math. Math. Phys., 54:8 (2014), 1293–1304

Citation in format AMSBIB
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Weng H.Ch., “Combined Forced and Thermocreep Convection Through a Long Horizontal Microchannel”, Micromachines, 7:2 (2016), 33  crossref  isi  elib  scopus
  • Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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