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Laboratory simulation for single and block supersonic jets

Zarvin, A E ; Krylov, A N ; Yaskin, A S ; Antipova, M S ; Kalyada, V V ; Gerasimov, Y I ; Dubrovin, K A ; Khudozhitkov, V E

Journal of physics. Conference series, 2020-11, Vol.1677 (1), p.12160 [Periódico revisado por pares]

Bristol: IOP Publishing

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  • Título:
    Laboratory simulation for single and block supersonic jets
  • Autor: Zarvin, A E ; Krylov, A N ; Yaskin, A S ; Antipova, M S ; Kalyada, V V ; Gerasimov, Y I ; Dubrovin, K A ; Khudozhitkov, V E
  • Assuntos: Density ; Electron beams ; Jet flow ; Laboratories ; Mathematical models ; Model testing ; Nozzles ; Parameters ; Physics ; Pressure distribution ; Space vehicles ; Stress concentration
  • É parte de: Journal of physics. Conference series, 2020-11, Vol.1677 (1), p.12160
  • Descrição: Model experimental studies are presented for the flow field of a single jet, the flow parameters of a block jet, the pressure distribution on the bottom screen, and the parameters of the jet flow from a model nozzle. When expanding into a vacuum and/or a highly rarefied medium, the conditions for reproducing the relative gas pulse value of the full-scale nozzle block section are met. It is shown that when using specific similarity criteria, it is possible to experimentally model the supersonic jet outflow processes of space vehicles on small-sized laboratory vacuum installations, similar to the one created at Novosibirsk State University. Simulation results using spectral density measurements based on the glow excited by a focused electron beam, longitudinal and transverse jet density profiles obtained using modern scanning technology, as well as measurements of bottom pressure near the nozzle block are given. The possibilities and features of each applied registration method are discussed.
  • Editor: Bristol: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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