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사각 캐비티 내에서의 비정상 혼합대류에 관한 실험적 연구
배대석(D. S. Bae),CAILONGJI 한국마린엔지니어링학회 2007 한국마린엔지니어링학회 학술대회 논문집 Vol.2007 No.-
We present an experimental study of unsteady mixed convection in a horizontal channel with a heat source from below of rectangular cavity. The Particle image velocity(PIV) with thermo-sensitive liquid crystal tracers is used for visualizing and analysis. Quantitative data of the temperature and velocity are obtained by applying the color-image processing to a visualized image, and neural network is applied to the color-to-temperature calibration.
하부가 가열된 케비티를 가진 사각 채널에서의 비정상 혼합대류
배대석(D. S. Bae),채용길(L. J. Cae) 한국마린엔지니어링학회 2006 한국마린엔지니어링학회 학술대회 논문집 Vol.2006 No.-
We present a numerical study of laminar unsteady mixed convection in a 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≤10), the Rayleigh number (0≤Ra≤10?), the aspect ratio (0.5≤A=D/H≤1) and the Pr of the high viscosity fluid 909.