Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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COMPUTATIONAL INVESTIGATION OF THE HIGH TEMPERATURE REACTING GAS EFFECTS ON RE-ENTRY VEHICLE FLOWFIELDS

재진입 비행체 외부 열유동장의 고온반응기체 효과에 관한 전산해석

  • Kang, E.J. (Graduate School and Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Kim, J.Y. (Graduate School and Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Park, J.H. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.) ;
  • Myong, R.S. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.)
  • 강은지 (경상대학교 일반대학원 및 항공특성화대학원) ;
  • 김준영 (경상대학교 일반대학원 및 항공특성화대학원) ;
  • 박재현 (경상대학교 항공우주시스템공학과 및 항공기부품기술연구소) ;
  • 명노신 (경상대학교 항공우주시스템공학과 및 항공기부품기술연구소)
  • Received : 2013.07.22
  • Accepted : 2014.03.12
  • Published : 2014.03.31
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Abstract

Aerothermodynamic characteristics of re-entry vehicles in hypersonic speed regimes are investigated by applying CFD methods based on the Navier-Stokes-Fourier equations. A special emphasis is placed on the effects of high temperature chemically reacting gases on shock stand-off distance and thermal characteristics of the flowfields. A ten species model is used for describing the kinetic mechanism for high temperature air. In particular, the hypersonic flows around a cylinder are computed with and without chemically reacting effects. It is shown that, when the chemically reacting effects are taken into account, the shock stand-off distance and temperature are significantly reduced.

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References

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  1. Combined Effects of Thermal Non-equilibrium and Chemical Reactions on Hypersonic Air Flows Around An Orbital Reentry Vehicle vol.21, pp.3, 2014, https://doi.org/10.1007/s42405-019-00243-9