Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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COMPUTATIONAL PREDICTION OF ICE ACCRETION AROUND A ROTORCRAFT AIR INTAKE

회전익기 공기흡입구의 표면발생 결빙에 관한 전산 예측

  • Jung, K.Y. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Ahn, G.B. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Myong, R.S. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.) ;
  • Cho, T.H. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.) ;
  • Jung, S.K. (Korea Aerospace Industries, Ltd.) ;
  • Shin, H.B. (Korea Aerospace Industries, Ltd.)
  • 정기영 (경상대학교 항공특성화대학원) ;
  • 안국빈 (경상대학교 항공특성화대학원) ;
  • 명노신 (경상대학교 항공우주시스템공학과 및 항공기부품기술연구소) ;
  • 조태환 (경상대학교 항공우주시스템공학과 및 항공기부품기술연구소) ;
  • 정성기 (한국항공우주산업) ;
  • 신훈범 (한국항공우주산업)
  • Received : 2012.01.03
  • Accepted : 2012.05.17
  • Published : 2012.06.30
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Abstract

Ice accretion on the surface of aircraft in flight can adversely affect the safety of aircraft. In particular, it can cause degradation of critical aircraft performances such as maximum lift coefficient and total pressure recovery factor in engine air intake. In this study, computational prediction of ice accretion around a rotorcraft air intake is conducted in order to identify the impingement region with high droplet collection efficiency. Then the amount of ice accretion on the air intake, which is essential in determining the required power of ice protection system, is calculated. Finally, the effect of icing wind tunnel size is investigated in order to check the compatibility with the real in-flight test environment.

Keywords

References

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