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물-미립자 현탁액의 난류 열전달 향상에 관한 수치해석적 연구
정세훈,손창현 한국마린엔지니어링학회 2000 한국마린엔지니어링학회지 Vol.24 No.3
The present numerical study investigates heat transfer enhancement mechanism for suspensions of polystyrene particles in water. Numerical simulations were done for turbulent hydrodynamic fully developed flows in a circular duct with constant wall heat flux. The experimental result of microparticle suspensions show 25∼45% heat transfer enhancement over those of water. The present numerical results show the main parameter for the heat transfer enhancement of microparticle suspension in a circular duct is the change of velocity profile by the non-Newtonian fluid behavior.