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Mach Number Determination in a High-Enthalpy Supersonic Arc-Heated Plasma Wind Tunnel

  • Rajesh Kumar Chinnaraj
  • Phil Yong Oh
  • Eui Sup Shin
  • Bong Guen Hong
  • Seong Man Choi
Original Paper
  • 1 Downloads

Abstract

In this experimental study, an intrinsic flow diagnostic technique involving a wedge probe is studied in a 0.4 MW class arc-jet plasma wind tunnel. The main objectives of this study are to determine the Mach number of flow achieved in the plasma wind tunnel when operated under a typical operating condition using the experimental data obtained from the above-mentioned experimental technique and to perform comparative analysis with theoretically calculated results for the same operating conditions. Total specific enthalpy was determined using simple, yet efficient energy balance method. From total specific enthalpy, other vital flow parameters were estimated.

Keywords

Plasma wind tunnel Total specific enthalpy Mach number 

Notes

Acknowledgements

This study was supported by a National Research Foundation (NRF) of Korea under contract 2017M1A3A3A03016311. This study was also supported by the Space Core Technology Development Program through the National Research Foundation of Korea funded by the Ministry of Science and ICT (NRF-2014M1A3A3A02034622) and supported by research facilities in the Plasma Application Institute of Chonbuk National University. The contributions of the members of the High Enthalpy Plasma Research Center to the construction and commissioning of the plasma wind tunnel are gratefully acknowledged.

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Copyright information

© The Korean Society for Aeronautical & Space Sciences 2019

Authors and Affiliations

  • Rajesh Kumar Chinnaraj
    • 1
  • Phil Yong Oh
    • 1
  • Eui Sup Shin
    • 1
  • Bong Guen Hong
    • 1
  • Seong Man Choi
    • 1
  1. 1.High Enthalpy Plasma Research CenterChonbuk National UniversityJeonjuRepublic of Korea

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