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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2016, Volume 57, Issue 2, Pages 117–123
DOI: https://doi.org/10.15372/PMTF20160212
(Mi pmtf861)
 

This article is cited in 5 scientific papers (total in 5 papers)

Flow around a cylinder at the beginning of the critical region

K. G. Dobrosel'skiiab

a Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk National Research State University, Novosibirsk, 630090, Russia
Full-text PDF (615 kB) Citations (5)
Abstract: Results of experiments with a turbulent flow around a transversely aligned circular cylinder located at identical distances from the walls of a rectangular channel are reported. Data on averaged velocity fields around the cylinder are obtained by means of particle image velocimetry (PIV). Based on these fields, the near wake behind the cylinder is studied, and the kinematic characteristics for flow regimes with and without cavitation are compared. Based on the vector fields of averaged velocity, the angles of separation of the boundary layer from the cylinder surface in the considered flow regimes are determined. The drag coefficients of the cylinder for different flow regimes are calculated. It is demonstrated that the vortex region behind the cylinder and the drag coefficient of the cylinder increase in the case with cavitation. It is also shown that vortex shedding from the cylinder may be irregular, despite the fact that this process is quasi-periodic for most of the time.
Keywords: hydrodynamic testbench, cylinder, PIV, cavitation, boundary layer, drag coefficient.
Funding agency Grant number
Russian Science Foundation 14-19-01685
Received: 29.05.2014
Revised: 11.12.2014
English version:
Journal of Applied Mechanics and Technical Physics, 2016, Volume 57, Issue 2, Pages 293–299
DOI: https://doi.org/10.1134/S0021894416020127
Bibliographic databases:
Document Type: Article
UDC: 532.542.4+532.574.7+532.582.31
Language: Russian
Citation: K. G. Dobrosel'skii, “Flow around a cylinder at the beginning of the critical region”, Prikl. Mekh. Tekh. Fiz., 57:2 (2016), 117–123; J. Appl. Mech. Tech. Phys., 57:2 (2016), 293–299
Citation in format AMSBIB
\Bibitem{Dob16}
\by K.~G.~Dobrosel'skii
\paper Flow around a cylinder at the beginning of the critical region
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2016
\vol 57
\issue 2
\pages 117--123
\mathnet{http://mi.mathnet.ru/pmtf861}
\crossref{https://doi.org/10.15372/PMTF20160212}
\elib{https://elibrary.ru/item.asp?id=26040234}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2016
\vol 57
\issue 2
\pages 293--299
\crossref{https://doi.org/10.1134/S0021894416020127}
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  • https://www.mathnet.ru/eng/pmtf/v57/i2/p117
  • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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