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Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 91, Issue 6, Pages 935–942
DOI: https://doi.org/10.21883/JTF.2021.06.50862.345-20
(Mi jtf4988)
 

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

Gases and Fluids

The effect of broadband rotational velocity fluctuations on flows in spherical layers

D. Yu. Zhilenko, O. É. Krivonosova

Lomonosov Moscow State University, Institute of Mechanics
Abstract: We report the results of a numerical investigation of isothermal axisymmetric flows of a viscous incompressible fluid in rotating spherical layers in the presence of random small-amplitude oscillations of the rotational velocity of the inner sphere about the constant (in time) average value. Two cases are considered: the rotation of the inner sphere only and the corotation of spheres with equal angular velocities. It is established that, in these two cases, the flows respond to perturbations in different ways. Comparison with experiment confirms the possibility of an increase in the average velocity in separate areas of the flow with upon an increase in the amplitude of fluctuations, which has been detected in calculations.
Keywords: spherical Couette flow, noise, instability control.
Funding agency Grant number
Russian Foundation for Basic Research 18-08-00074
19-05-00028
This study was supported in part by the Russian Foundation for Basic Research, projects nos. 18-08-00074 and 19-05-00028.
Received: 14.12.2020
Revised: 13.01.2021
Accepted: 14.01.2021
English version:
Technical Physics, 2021, Volume 66, Issue 12, Pages 1330–1337
DOI: https://doi.org/10.1134/S1063784221060232
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. Yu. Zhilenko, O. É. Krivonosova, “The effect of broadband rotational velocity fluctuations on flows in spherical layers”, Zhurnal Tekhnicheskoi Fiziki, 91:6 (2021), 935–942; Tech. Phys., 66:12 (2021), 1330–1337
Citation in format AMSBIB
\Bibitem{ZhiKri21}
\by D.~Yu.~Zhilenko, O.~\'E.~Krivonosova
\paper The effect of broadband rotational velocity fluctuations on flows in spherical layers
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 91
\issue 6
\pages 935--942
\mathnet{http://mi.mathnet.ru/jtf4988}
\crossref{https://doi.org/10.21883/JTF.2021.06.50862.345-20}
\elib{https://elibrary.ru/item.asp?id=46468634}
\transl
\jour Tech. Phys.
\yr 2021
\vol 66
\issue 12
\pages 1330--1337
\crossref{https://doi.org/10.1134/S1063784221060232}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85126778199}
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  • https://www.mathnet.ru/eng/jtf/v91/i6/p935
  • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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