Bifurcations of transonic flow in the channels of various shapes

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Abstract

The flow in 2D channels of variable cross-section was studied numerically. The channels contain bodies that split the channels into narrow ones. Solutions of Euler's equations are obtained using the finite-volume solver of the Ansys CFX software package. A set of solutions is found. These solutions depend on the input Mach number and on the initial condition. Numerical simulations show a significant hysteresis in the drag coefficient of bodies in the channel relative to the supersonic Mach number set at the inlet. In a certain range of the inlet Mach number, there are asymmetric solutions of the equations.

Original languageEnglish
Title of host publicationInternational Conference on the Methods of Aerophysical Research, ICMAR 2020
EditorsVasily M. Fomin, Alexander Shiplyuk
PublisherAmerican Institute of Physics
ISBN (Electronic)9780735440999
DOIs
StatePublished - 24 May 2021
Event20th International Conference on the Methods of Aerophysical Research, ICMAR 2020 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 1 Nov 20207 Nov 2020

Publication series

NameAIP Conference Proceedings
Volume2351
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference20th International Conference on the Methods of Aerophysical Research, ICMAR 2020
Country/TerritoryRussian Federation
CityAkademgorodok, Novosibirsk
Period1/11/207/11/20

Scopus subject areas

  • Physics and Astronomy(all)

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