対向二並行垂直板における自然対流による放熱の研究 (第1報)

概要

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The authors of this paper have studied the dissipation of heat from the hot surfaces to the air current by natural convection passing through the narrow space between the two parallel walls facing each other. The amount of heat dissipated from any particular point on the hot surface is to be determined from the product of the temperature gradient in the boundary layer and the thermometric conductivity of the air film. The former was observed directly by the Schlieren method, and the latter by thermo-couples. This procedure of experiments enables us to determine the gradual variation of the capacity of heat dissipation from point to point along the radiating surface. The heat transfer coefficient at any point on the hot surface is affected by (1) the temperature difference between the hot surface and the cold air current at the entry. (2) the width of the passage of the air current between the two parallel walls. The results of the experiments are shown in several diagrams after the dimentional analysis.
一般社団法人日本機械学会の論文
1954-04-25