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Experimental and Numerical Studies on the Plume Structure of Micro-nozzles Operating at High-Vacuum Conditions

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

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Abstract

Recently micro-thruster-based miniature nozzles are gaining research interest due to the advent of micro-propulsion technology for micro-spacecraft and attitude management requirements of micro- and nano-satellites. Micro-nozzles experience all types of flow regimes from continuum to free-molecular flows when they are operated at high-vacuum conditions. Experimental and numerical analysis of cold-flow plume structure of a typical conical micro-nozzle is presented here. The plume structure is visualized using glow discharge flow visualization (GDFV) technique and surveyed the entire plume axially with a static pressure probe. Numerical modeling of a micro-nozzle operating in rarefied condition is done using a coupled Navier-Stokes (NS)-DSMC method, and the pressure profile of the nozzle plume is compared with that obtained in experiment.

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Authors and Affiliations

  1. Department of Aerospace Engineering, Indian Institute of Space Science and Technology, Thiruvananthapuram, India

    K. M. M. Rafi, B. A. H. Fahd & M. Deepu

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

    G. Rajesh

Authors
  1. K. M. M. Rafi
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  2. B. A. H. Fahd
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  3. M. Deepu
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  4. G. Rajesh
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Corresponding author

Correspondence to G. Rajesh .

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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Rafi, K.M.M., Fahd, B.A.H., Deepu, M., Rajesh, G. (2019). Experimental and Numerical Studies on the Plume Structure of Micro-nozzles Operating at High-Vacuum Conditions. 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_111

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  • DOI: https://doi.org/10.1007/978-3-319-91020-8_111

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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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