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레이놀즈수에 따른 평판 모델의 거칠기 함수에 관한 연구
정태환(T.H. Joung),이정희(J.H. Lee),김재형(J.H. Kim) 한국전산유체공학회 2016 한국전산유체공학회지 Vol.21 No.4
In this paper, turbulence models for considering roughness in the open source code(OpenFOAM) was investigated. Wall function in the RANS(Reynolds-averaged Navier Stokes) turbulence model was modified considering roughness on the flat plate by using roughness function. Correlation between the first layer height in the CFD model and roughness height of the plate was observed, and the most proper roughness function, and the first layer height from the plate wall in the CFD analysis was suggested in this paper.