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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 47, Issue 7, Pages 46–48
DOI: https://doi.org/10.21883/PJTF.2021.07.50800.18592 (Mi pjtf4818) 		 
An experimental study of the hydrodynamic drag coefficient of a cooled hard sphere at small Reynolds numbers

V. A. Arkhipov, S. A. Basalaev, K. G. Perfilieva, S. N. Polenchuk, A. S. Usanina

Tomsk State University
Full-text PDF (141 kB)
DOI: https://doi.org/10.21883/PJTF.2021.07.50800.18592
Abstract: The results of experimental studying the gravitational sedimentation of a cooled solid spherical particle in a viscous fluid in the range of Reynolds numbers $\operatorname{Re}$ = 0.01–1.32 are presented. A significant decrease of stationary sedimentation rate (up to 30%) of a cooled particle is shown. Empirical dependencies for the sedimentation rate and hydrodynamic drag coefficient of the particle in the range of temperature difference between liquid (glycerol, silicone oil) and particle $\Delta T$ = (0 – 210) K are obtained.
Keywords: solid spherical particle, gravitational sedimentation, cooled particle, sedimentation rate, hydrodynamic drag coefficient.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 0721-2020-0036
This work was supported by the Ministry of Education and Science of the Russian Federation within the framework of state contract no. 0721-2020-0036.
Received: 21.10.2020
Revised: 28.12.2020
Accepted: 29.12.2020
English version:
Technical Physics Letters, 2021, Volume 47, Issue 4, Pages 317–320
DOI: https://doi.org/10.1134/S1063785021040027
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. A. Arkhipov, S. A. Basalaev, K. G. Perfilieva, S. N. Polenchuk, A. S. Usanina, “An experimental study of the hydrodynamic drag coefficient of a cooled hard sphere at small Reynolds numbers”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:7 (2021), 46–48; Tech. Phys. Lett., 47:4 (2021), 317–320
Citation in format AMSBIB
\Bibitem{ArkBasPer21}
\by V.~A.~Arkhipov, S.~A.~Basalaev, K.~G.~Perfilieva, S.~N.~Polenchuk, A.~S.~Usanina
\paper An experimental study of the hydrodynamic drag coefficient of a cooled hard sphere at small Reynolds numbers
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 47
\issue 7
\pages 46--48
\mathnet{http://mi.mathnet.ru/pjtf4818}
\crossref{https://doi.org/10.21883/PJTF.2021.07.50800.18592}
\elib{https://elibrary.ru/item.asp?id=46318391}
\transl
\jour Tech. Phys. Lett.
\yr 2021
\vol 47
\issue 4
\pages 317--320
\crossref{https://doi.org/10.1134/S1063785021040027}
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