Teplofizika vysokikh temperatur
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Teplofizika vysokikh temperatur, 2021, Volume 59, Issue 5, Pages 730–736
DOI: https://doi.org/10.31857/S0040364421050070
(Mi tvt11657)
 

Heat and Mass Transfer and Physical Gasdynamics

Numerical stduy of the effect of gas nonideality on shock wave focusing in a channel with a hemispherical end

V. Yu. Gidaspov, M. D. Zyong, N. S. Severina

Moscow Aviation Institute (National Research University)
References:
Abstract: A physical and mathematical model, computational algorithms, and results of calculations of focusing and reflection from a flat bottom of a shock wave propagating in a channel with the hemispherical end filled with high-temperature air are presented. Three flow models are studied: ideal, frozen, and equilibrium. It is shown that the end face coordinate has little effect on the parameters of the reflected shock wave, which can be used to set the boundary conditions. The use of the ideal model leads to significant differences in the values of temperature and pressure both near the flat bottom and in the entire channel. The results of calculations according to the frozen model are close to the equilibrium results at a distance from the bottom but give a significantly overestimated temperature near it.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation FSFF-2020-0013
This study was carried out according to state assignment no. FSFF-2020-0013.
Received: 24.05.2021
Revised: 24.05.2021
Accepted: 23.11.2021
English version:
High Temperature, 2022, Volume 60, Issue 1, Suppl. 2, Pages S223–S229
DOI: https://doi.org/10.1134/S0018151X21050072
Bibliographic databases:
Document Type: Article
UDC: 533.6
Language: Russian
Citation: V. Yu. Gidaspov, M. D. Zyong, N. S. Severina, “Numerical stduy of the effect of gas nonideality on shock wave focusing in a channel with a hemispherical end”, TVT, 59:5 (2021), 730–736; High Temperature, 60:1, Suppl. 2 (2022), S223–S229
Citation in format AMSBIB
\Bibitem{GidSev21}
\by V.~Yu.~Gidaspov, M. D. Zyong, N.~S.~Severina
\paper Numerical stduy of the effect of gas nonideality on shock wave focusing in a~channel with a~hemispherical end
\jour TVT
\yr 2021
\vol 59
\issue 5
\pages 730--736
\mathnet{http://mi.mathnet.ru/tvt11657}
\crossref{https://doi.org/10.31857/S0040364421050070}
\elib{https://elibrary.ru/item.asp?id=47423650}
\transl
\jour High Temperature
\yr 2022
\vol 60
\issue 1, Suppl. 2
\pages S223--S229
\crossref{https://doi.org/10.1134/S0018151X21050072}
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