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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 46, Issue 20, Pages 51–54
DOI: https://doi.org/10.21883/PJTF.2020.20.50158.18434 (Mi pjtf4969) 		 
This article is cited in 4 scientific papers (total in 4 papers)

Viscosity of gases in nanochannels

V. Ya. Rudyakab, E. V. Lezhneva

a Novosibirsk State University of Architecture and Civil Engineering
b Novosibirsk State University
Full-text PDF (95 kB) Citations (4)
DOI: https://doi.org/10.21883/PJTF.2020.20.50158.18434
Abstract: The viscosity of rarefied gas in nanochannels under normal conditions is studied. The viscosity coefficient is calculated by means of the Green–Kubo formula using the stochastic molecular method. The interaction of gas molecules with the wall is described by mirror, diffuse or mirror-diffuse laws. The gas temperature and channel height vary. It has been shown that the viscosity in the nanochannel is substantially non-isotropic. Along the channel, the viscosity almost always coincides with its corresponding value in volume. By varying the accommodation coefficient, the total viscosity of the gas can be either reduced or increased by several times.
Keywords: viscosity, nanochannel, modelling, rarefied gas.
Funding agency Grant number
Russian Foundation for Basic Research 19-01-00399
20-01-00041
This work was supported by the Russian Foundation for Basic Research, grants nos. 19-01-00399 and 20-01-00041.
Received: 23.06.2020
Revised: 21.07.2020
Accepted: 24.07.2020
English version:
Technical Physics Letters, 2020, Volume 46, Issue 10, Pages 1045–1048
DOI: https://doi.org/10.1134/S1063785020100260
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. Ya. Rudyak, E. V. Lezhnev, “Viscosity of gases in nanochannels”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 46:20 (2020), 51–54; Tech. Phys. Lett., 46:10 (2020), 1045–1048
Citation in format AMSBIB
\Bibitem{RudLez20}
\by V.~Ya.~Rudyak, E.~V.~Lezhnev
\paper Viscosity of gases in nanochannels
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 46
\issue 20
\pages 51--54
\mathnet{http://mi.mathnet.ru/pjtf4969}
\crossref{https://doi.org/10.21883/PJTF.2020.20.50158.18434}
\elib{https://elibrary.ru/item.asp?id=44258646}
\transl
\jour Tech. Phys. Lett.
\yr 2020
\vol 46
\issue 10
\pages 1045--1048
\crossref{https://doi.org/10.1134/S1063785020100260}
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    • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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