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수치해석 기법을 이용한 저소음 OSRVM의 형상에 관한 연구
빅현호(Hyunho Park),한현욱(Hyunwook Han),김문상(Moonsang Kim),하종백(Jongpaek Ha),김용년(Yongnyun Kim) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
The transient flow field around an OSRVM is analyzed using the FLUENT with turbulence model, namely LES Constant SGS, and the sound radiation is predicted using the Ffowcs Williams and Hawkings analogy. Five shape parameters of OSRVM, which are housing heights, stalk heights, bezel, stalk lengths, and head planview shape, are selected and parametric studies are performed numerically to figure out the effects of geometric shapes on the wind noise. In the present paper, however, only three parameters which are the housing heights, stalk heights, and Bezel are studied and presented. The other parameters will be studied in the near future.