Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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UNSTEADY AERODYNAMIC ANALYSIS OF HELICOPTER ROTOR BLADES USING DIAGONAL IMPLICIT HARMONIC BALANCE METHOD

중첩 격자 기법이 적용된 대각 내재적 조화균형법을 이용한 헬리콥터 로터 블레이드의 비정상 공력 해석

  • Im, D.K. (School of Mechanical, Aerospace & Systems Engineering, KAIST) ;
  • Choi, S.I. (School of Mechanical, Aerospace & Systems Engineering, KAIST) ;
  • Kim, E. (Computing-bridge Co.) ;
  • Kwon, J.H. (School of Mechanical, Aerospace & Systems Engineering, KAIST) ;
  • Park, S.H. (Dept. of Aerospace Information Engineering, Konkuk Univ.)
  • 임동균 (한국과학기술원 기계항공시스템학부) ;
  • 최성임 (한국과학기술원 기계항공시스템학부) ;
  • 김유진 ((주)컴퓨팅브릿지) ;
  • 권장혁 (한국과학기술원 기계항공시스템학부) ;
  • 박수형 (건국대학교 항공우주정보시스템공학과)
  • Received : 2011.12.26
  • Accepted : 2012.03.24
  • Published : 2012.03.31
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Abstract

In this paper, diagonal implicit harmonic balance method with overset grid technique is applied to analyze helicopter rotor blade flow in hover and forward flight condition. The chimera grid need interpolation time with sub-grid and background grid in moving problem such as forward flight on every time step. Present method is available enough to reduce the grid module interpolation time. In order to demonstrate present method, Caradonna & Tung's and AH-1G rotor blades are used and the results are compared to other researchers' result and experimental data.

Keywords

References

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