有限平板における流れと側端効果

概要

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Flow characterisitic over a flat plate having finite width in turbulent flow is experimentally studied, and attention is given to the behavior of the edge-effect due to finite width. Flow measurements are carried out by a hot wire anemometer for the various geometries of flat plates having finite widths w=60, 90, 120 and 360 mm and finite thicknesses 2h=10〜40 mm. There always exists secondary flow at the side edge region of a flat plate with finite width, and it depends on plate thickness much more strongly than on plate width. The intensity of the edge-effect due to secondary flow is able to quantitatively estimated by a parameter of (θ/δ)* as defined in Eq. (2) .The region where flow character is affected by the edge-effect is also able to be good predicted by a empirical formula (1) proposed in this paper.
一般社団法人日本機械学会の論文
1983-12-25