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Aerospace 2018, 5(2), 60; https://doi.org/10.3390/aerospace5020060

Shock-Wave Structure of Supersonic Jet Flows

Experimental AeroGazDynamics Laboratory, Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
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Received: 28 April 2018 / Revised: 31 May 2018 / Accepted: 5 June 2018 / Published: 7 June 2018
(This article belongs to the Special Issue Under-Expanded Jets)
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Abstract

In the present paper, we give a brief overview of the studies of supersonic jet flows which were performed recently with the aim of gaining experimental data on the formation of the shock-wave structure and jet mixing layer in such flows. Considerable attention is paid to a detailed description of discharge conditions for supersonic jets, to enable the use of measured data for making a comparison with numerical calculations. Data on the 3D flow structure in the mixing layer of the initial length of a supersonic jet are reported. Scientific interest in this phenomenon is due to its practical significance in studying the possibility of intensifying the mixing process as well as in studying the sound-generation process. View Full-Text
Keywords: supersonic underexpanded jet; nozzle; Mach disk; shock wave; streamwise vortical structures; turbulent mixing; aeroacoustics supersonic underexpanded jet; nozzle; Mach disk; shock wave; streamwise vortical structures; turbulent mixing; aeroacoustics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Zapryagaev, V.; Kiselev, N.; Gubanov, D. Shock-Wave Structure of Supersonic Jet Flows. Aerospace 2018, 5, 60.

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