両端が開放されたスロット内自然対流の流動と伝熱 : 熱工学 , 内燃機関 , 動力

概要

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Natural convective flows of air induced in a two-dimensional, inclined slot were investigated experimentally. The slot consisted of heated bottom plate and adiabatic cover plate. The both ends of the slot were opened to environmental air. These configurations are adoped to simulate the electronic circuit boards placed in electronic equipment. The flow fields within the slot were visualized with smoke and the local heat transfer coefficents of the bottom plate were measured under the various conditions of inclination angles and slot heights. The results showed that the heat transfer from the slot is enhanced markedly by tilting the slot from horizontal. The enhancement of heat transfer was explained by the substantial change in the flow fields within the slot. The above result is considered favorable for the efficient heat removable from the electronic circuit boards by natural convection of air.
一般社団法人日本機械学会の論文
2001-03-25