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Fizika Goreniya i Vzryva, 2022, Volume 58, Issue 5, Pages 33–43
DOI: https://doi.org/10.15372/FGV20220505 (Mi fgv873) 		 
This article is cited in 3 scientific papers (total in 3 papers)

Investigation of oscillating regimes in a high-velocity flow with heat supply. I. Experiment

N. N. Fedorova, M. A. Goldfeld, V. V. Pickalov

Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia
Citations (3)
DOI: https://doi.org/10.15372/FGV20220505
Abstract: Results of experimental investigations of the flow in a channel with sudden expansion without and with heat supply into a supersonic air flow are presented. Based on processing experimental data on the time evolution of static pressure on the channel walls, the spectral power of oscillations are determined. The analysis reveals an increase in the spectral power of pressure oscillations in the frequency range of 250–400 Hz. The greatest increase in the spectral power is observed in the initial period of the process during ignition and at the end of flame stabilization. In the period corresponding to developed combustion, the peak value of the power spectrum of oscillations decreases, while the range of frequencies is extended to 400–600 Hz.
Keywords: supersonic flow, experiment, unsteady ignition, combustion, pressure oscillations, Fourier analysis.
Funding agency Grant number
Russian Foundation for Basic Research 20-08-00959
Program of fundamental scientific research of the State Academies of Sciences 121030500162-7
Received: 14.02.2022
Revised: 18.04.2022
Accepted: 25.05.2022
English version:
Combustion, Explosion and Shock Waves, 2022, Volume 58, Issue 5, Pages 536–545
DOI: https://doi.org/10.1134/S0010508222050057
Bibliographic databases:
Document Type: Article
UDC: 536.46
Language: Russian
Citation: N. N. Fedorova, M. A. Goldfeld, V. V. Pickalov, “Investigation of oscillating regimes in a high-velocity flow with heat supply. I. Experiment”, Fizika Goreniya i Vzryva, 58:5 (2022), 33–43; Combustion, Explosion and Shock Waves, 58:5 (2022), 536–545
Citation in format AMSBIB
\Bibitem{FedGolPic22}
\by N.~N.~Fedorova, M.~A.~Goldfeld, V.~V.~Pickalov
\paper Investigation of oscillating regimes in a high-velocity flow with heat supply. I.~Experiment
\jour Fizika Goreniya i Vzryva
\yr 2022
\vol 58
\issue 5
\pages 33--43
\mathnet{http://mi.mathnet.ru/fgv873}
\crossref{https://doi.org/10.15372/FGV20220505}
\elib{https://elibrary.ru/item.asp?id=49450528}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2022
\vol 58
\issue 5
\pages 536--545
\crossref{https://doi.org/10.1134/S0010508222050057}
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