http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
RANS와 LES를 이용한 Ridge Iced 에어포일 유동장에 관한 전산해석
조제현(J.H. Jo),프린스 라즈 로렌스 라즈(L.P. Raj),이영모(Y.M. Lee),이재화(J.H. Lee),명노신(R.S. Myong) 한국전산유체공학회 2019 한국전산유체공학회지 Vol.24 No.3
The present study investigated the turbulent characteristics and aerodynamic performance of a ridge iced airfoil using RANS as well as LES. The ridge ice shape selected from the literature was placed at 10 percent of the airfoil chord. The RANS and LES simulations were then carried out on clean and iced airfoils to compare their performance. The results indicate that the LES predictions are in general more accurate than the RANS model for the flows considered in this study, especially at near stall flight conditions in region where the complex turbulence flows occur. Moreover, the prediction of the reattachment point on the iced airfoil by LES was shown to be fairly accurate at most of flow conditions.