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사각 캐비티를 가진 수평채널 내에서의 혼합대류에 관한 수치적 연구
고영창(Y. C. Ko),배대석(D. S. Bae) 한국동력기계공학회 2006 한국동력기계공학회 학술대회 논문집 Vol.- No.-
A numerical simulation is carried out mixed conviction in horizontal channel with a heat source from below of rectangular cavity. Finite volume method was employed for the discretization and PISO algorithm was used for calculating pressure term. The parameters governing the problem are the Reynolds number (10?²≤Re≤50), the Rayleigh number (10³≤Ra≤2.06×10?) the Prandtl number (0.72≤Pr≤909.1), the aspect ratio (0.5≤A=D/H≤2) and the angle of inclination (0˚≤θ≤60˚). Mean Nusselt number distributions were obtained and effect of Reynolds, Rayleigh number and Prandtl number on mixed convection in the horizontal channel with rectangular cavity were investigated.
개방된 캐비티를 가진 채널 내에서의 혼합대류 유동과 열전달 특성
고영창(Y. C. Ko),배대석(D. S. Bae),김남식(N. S. Kim) 한국동력기계공학회 2007 동력시스템공학회지 Vol.11 No.4
A numerical simulation is carried out mixed convection in horizontal channel with a heat source from below of rectangular cavity. Finite volume method was employed for the discretization and PISO algorithm was used for calculating pressure term. The parameters governing the problem are the Reynolds number (10?²≤Re≤50), the Rayleigh number (10³≤ Ra≤2.06×10?), the Prandtl number (0.72≤Pr≤909), the aspect ratio (0.5≤AR=W/H≤2) and the angle of inclination (0˚≤θ≤60˚). Mean Nusselt number distributions were obtained and effect of Reynolds number, Rayleigh number and Prandtl number on mixed convection in the horizontal channel with rectangular cavity were investigated.