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Combination interaction of Taylor–Goertler vortices in a curved shear layer of a supersonic jet

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Abstract

Problems of origination and evolution of streamwise vortex structures in an initial region of the shear layer of a supersonic jet are discussed. Streamwise vortices are generated with the use of artificial microroughnesses on the internal surface of polished nozzles. Results of Pitot pressure distributions measured in a supersonic nonisobaric jet both in the radial and azimuthal directions are presented. Streamline curvature in the initial region of supersonic nonisobaric jets has a significant effect on evolution of streamwise vortex structures. Azimuthal heterogeneity corresponding to streamwise vortices in the shear layer is analyzed with the use of both the Fourier analysis and wavelet analysis.

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Authors and Affiliations

  1. Institute of Theoretical & Applied Mechanics, Russian Academy of Sciences, Siberian Branch, Novosibirsk, 630090, Russia

    V. Zapryagaev, V. Pickalov, N. Kiselev & A. Nepomnyashchiy

Authors
  1. V. Zapryagaev
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  2. V. Pickalov
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  3. N. Kiselev
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  4. A. Nepomnyashchiy
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Additional information

Communicated by

H.J.S. Fernando

PACS

47.40.Ki, 47.20.Ft, 02.30.Nw

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Zapryagaev, V., Pickalov, V., Kiselev, N. et al. Combination interaction of Taylor–Goertler vortices in a curved shear layer of a supersonic jet. Theor. Comput. Fluid Dyn. 18, 301–308 (2004). https://doi.org/10.1007/s00162-004-0141-5

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  • DOI: https://doi.org/10.1007/s00162-004-0141-5

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