Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Numerical Estimation of Heat flux on the Deck Exposed to the High Temperature Impinging Jet of VTOL Vehicle

수직 이착륙기의 고온 고속 배기열에 의한 함정 갑판의 열유속 계산을 위한 수치모델

  • Jang, Hosang (Department of Naval Architecture and Ocean Engineering, INHA University) ;
  • Hwang, Seyun (Research Institute of Industrial Science and Technology, INHA University) ;
  • Choi, Wonjun (Republic of Korea Navy) ;
  • Lee, Jang Hyun (Department of Naval Architecture and Ocean Engineering, INHA University)
  • Received : 2017.07.03
  • Accepted : 2017.12.08
  • Published : 2018.02.01
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Abstract

This study has analyzed the convective heat transfer on the deck exposed to the high-temperature impingement exhausting from a VTOL vehicle. The heat flow of the impingement on the deck is modeled by the convection heat transfer. The convective heat flux generated by the hot impinging jet is investigated by using both convective heat transfer formulation and conjugate heat transfer formulation. Computational fluid dynamics(CFD) code was used to compute the heat flux distribution. The RANS equation and the k-e turbulence model were used to analyze the thermal flow of the impinging jet. The heat flux distribution near the stagnation zone obtained by the conjugate heat transfer analysis shows more reasonable than the convective heat transfer analysis.

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References

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