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TsAGI Science Journal

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ISSN Печать: 1948-2590

ISSN Онлайн: 1948-2604

INVESTIGATION OF SUPERSONIC NONISOBARIC JET STRUCTURE

Том 41, Выпуск 2, 2010, pp. 187-205
DOI: 10.1615/TsAGISciJ.v41.i2.80
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Краткое описание

The structure of supersonic nonisobaric jets is studied with Pitot probe methods, particle image velocimetry (PIV) diagnostics, the Schlieren method of flow visualization, and numerical methods. Experimental equipment is described. The flow speed is measured in a subsonic jet with Mach number Ma = 0.9 by PIV method and in a supersonic underexpanded jet with Ma = 1.0. Presented are the results of investigation of the 3-D structure of the supersonic underexpanded jet with the presence of streamwise vortices generated by vortex generators as chevrons situated on the nozzle exit section. The numerical investigation of the initial section of the supersonic underexpanded jet exhausting from a convergent axisymmetric nozzle and a nozzle with chevrons is performed using the commercial program package Fluent.

Ключевые слова: jet, supersonic, PIV diagnostics, subsonic flow, vortices
ЛИТЕРАТУРА
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  10. Zapryagaev, V. I., Kavun, I. N., and Kiselev, N. P., Flow structure in the initial part of a supersonic jet exhausting from the chevron nozzle.

ЦИТИРОВАНО В
  1. Marakasov D. A., Sazanovich V. M., Sukharev A. A., Tsvyk R. Sh., Intensity fluctuations of a laser beam propagating through a supersonic flooded jet, Atmospheric and Oceanic Optics, 26, 3, 2013. Crossref

  2. Zapryagaev Valery, Kiselev Nikolay, Gubanov Dmitry, Shock-Wave Structure of Supersonic Jet Flows, Aerospace, 5, 2, 2018. Crossref

  3. Aniskin V. M., Korotaeva T. A., Maslov N. A., Obodovskaya E. A., Turchinovich A. O., Tsibulskaya E. O., Tsyryulnikov I. S., Gasdynamic structure of underexpanded planar microjets ejected into still air, 2027, 2018. Crossref

  4. Kavun I. N., Menshchikova I. V., Pivovarov A. A., Reconstruction of the supersonic underexpanded jet flow parameters by the velocity and total pressure fields measurements results, HIGH-ENERGY PROCESSES IN CONDENSED MATTER (HEPCM 2019): Proceedings of the XXVI Conference on High-Energy Processes in Condensed Matter, dedicated to the 150th anniversary of the birth of S.A. Chaplygin, 2125, 2019. Crossref

  5. Zapryagaev V. I., Boiko V. M., Kavun I. N., Kiselev N. P., Pivovarov A. A., Flow structure behind the Mach disk in supersonic non-isobaric jet, 1770, 2016. Crossref

  6. Zapryagaev V. I., Kavun I. N., Pivovarov A. A., Determination of the gas-dynamic flow parameters by the PIV measurements, 2027, 2018. Crossref

  7. Kislovskiy V A, Melnikov A Y, Numerical investigation supersonic jet near field with a longitudinal slit cutout on the expiration channel, Journal of Physics: Conference Series, 1404, 2019. Crossref

  8. Marakasov D. A., Banakh V. A., Sukharev A. A., Reconstruction of the Spatial Distribution of the Average Air Density in a Supersonic Jet Based on Results of Laser Illumination, Atmospheric and Oceanic Optics, 34, 3, 2021. Crossref

  9. Kislovskiy V. A., Melnikov A. Y., Gubanov D. A., Experimental the aerodynamic noise study of a flowing jet at various channel end configurations, INTERNATIONAL CONFERENCE ON THE METHODS OF AEROPHYSICAL RESEARCH (ICMAR 2020), 2351, 2021. Crossref

  10. Zapryagaev V. I., Kavun I. N., Pivovarov A. A., Pulsations parameters in the mixing layer of high-speed subsonic jet, INTERNATIONAL CONFERENCE ON THE METHODS OF AEROPHYSICAL RESEARCH (ICMAR 2020), 2351, 2021. Crossref

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