1209 下端に流動抵抗をもつ鉛直流路内の自然対流熱伝達(GS-6 自然対流)

概要

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For natural convection in the geometrically complicated channel or natural convection caused by the accidental stop of drive system in forced convective channel, the convection flow is suppressed by flow resistance due to such channel itself or an equipped driving system, and the lopsided flow may take place. This could result in serious influences on the heat transfer system in the channel. In order to research fundamentally the natural convection flow and heat transfer in such the channel, the vertical channel with rectangular cross-section was employed, in which only one vertical wall was heated with uniform heat flux and the flow resistance was given by small clearance between the lower end of channel and a wide horizontal floor. Flow pattern was observed by illuminating smoke filled in the channel and heat transfer was measured. Heat transfer was discussed in connection with flow pattern.
2001-03-16