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Shock-Induced Corner Separation in Supersonic Duct Flows

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31st International Symposium on Shock Waves 1 (ISSW 2017)

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Abstract

The effect of wall separation control on multiple walls was investigated. This study used injection-assisted micro-vortex generators (MVGIs) in a duct flow. Three cases, namely, no control (case A), three-wall control (case B), and four-wall control (case C), were investigated using schlieren imaging, oil flow visualization, and wall pressure measurements. The various shock/compression waves from all the MVGIs were found to interact ahead of the normal shock. Oil flow visualizations on the bottom wall show that there are notable variations in center and corner separations when more walls are being controlled. Pressure recovery for three walls having control was higher than that for no control case, and the recovery for four-wall control case was much higher than that of three-wall control case. The separation zone sizes and the pressure recovery suggest that there is interaction between the separation zones in a duct at a cross section.

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Authors and Affiliations

  1. Department of Aerospace Engineering, Indian Institute of Technology Madras, Chennai, India

    S. Vaisakh, A. Ramprakash & T. M. Muruganandam

Authors
  1. S. Vaisakh
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  2. A. Ramprakash
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  3. T. M. Muruganandam
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Editor information

Editors and Affiliations

  1. Department of Aerospace Engineering, Nagoya University, Nagoya, Japan

    Akihiro Sasoh

  2. Department of Energy and Environmental Engineering, Kyushu University, Kasuga, Fukuoka, Japan

    Toshiyuki Aoki

  3. Institute of Innovative Research, Tokyo Institute of Technology, Tokyo, Japan

    Masahide Katayama

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Vaisakh, S., Ramprakash, A., Muruganandam, T.M. (2019). Shock-Induced Corner Separation in Supersonic Duct Flows. In: Sasoh, A., Aoki, T., Katayama, M. (eds) 31st International Symposium on Shock Waves 1. ISSW 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-91020-8_135

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  • DOI: https://doi.org/10.1007/978-3-319-91020-8_135

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-91019-2

  • Online ISBN: 978-3-319-91020-8

  • eBook Packages: EngineeringEngineering (R0)

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