Simulation of properties of flat and ring Couette flow in semicircular channel

V. A. Lebiga, A. Yu Pak, V. N. Zinovyev, D. S. Mironov

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

3 Citations (Scopus)

Abstract

Used the set-up with a semi-circular gap allows the realization of different types of Couette flow and to change the flow parameters (velocity, pressure, Reynolds and Knudsen numbers, etc.) over a wide range. Reynolds number can be varied by the cylinder rotation speed and pressure inside the facility. Obtaining high Knudsen numbers is possible at low pressures and using light gases, since the system is sealed. The nature of the flow varies from laminar to turbulent ones. Simulation of the properties of the flat Couette flow in the stand should be ensured by minimizing the influence on the flow of centrifugal forces, which are manifested by distortion of the linear velocity profile. Preliminary experiments have shown the possibility of modeling the formation of longitudinal vortices in a semi-circular channel similar to the circular Couette flow.

Original languageEnglish
Title of host publication19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
Editors Fomin
PublisherAmerican Institute of Physics Inc.
Number of pages5
Volume2027
ISBN (Electronic)9780735417472
DOIs
Publication statusPublished - 2 Nov 2018
Event19th International Conference on the Methods of Aerophysical Research, ICMAR 2018 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 13 Aug 201819 Aug 2018

Publication series

NameAIP Conference Proceedings
PublisherAMER INST PHYSICS
Volume2027
ISSN (Print)0094-243X

Conference

Conference19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
CountryRussian Federation
CityAkademgorodok, Novosibirsk
Period13.08.201819.08.2018

Keywords

  • TRANSITION

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