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대한설비공학회 설비공학논문집 공기조화·냉동공학 논문집 제13권 제5호
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    초록·키워드

    The coupled conduction and convection heat transfer from a protruding heated module in a horizontal channel with a variation of channel height is experimentally investigated. The input power to the module is 3, 7W and thermal resistance of module support is 0.06, 1.03 and 158K/W. The Reynolds number ranged from 350 to 4500 corresponding to the inlet velocity (0.4~1.3㎧) and channel height (11~35㎜). The results were obtained that the decrease of thermal resistance of module support reduces the module temperature by redistributing the heat flux and the overall thermal resistance of the module. In the study the effect of channel height is very significant in the adiabatic condition, but negligible in the conjugate condition. Finally, correlations for Nusselt number and Q_B/Q with a variation of Reynolds number were developed respectively.

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      UCI(KEPA) : I410-ECN-0101-2010-553-001515992