日本航空宇宙学会誌
Online ISSN : 2424-1369
Print ISSN : 0021-4663
ISSN-L : 0021-4663
平面壁上の正方形断面をもつ角柱まわりの流れ
岡本 史紀
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ジャーナル フリー

1984 年 32 巻 370 号 p. 661-665

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This paper describes an experimental study of the flow past rectangular cylinder of square section placed on a plane boundary. The experiment was carried out in an N.P.L. blowdown type wind-tunnel having a working section of 500mm×500mm×2, 000mm in size at the Reynolds number 4.74×104. The surface-pressure distributions on the rectangular cylinders were measured, and the vortices of two kinds generated in the flow-field around a rectangular cylinder have also been observed. Consequently, it is found that the flow patterns and vortices around a rectangular cylinder of W/D (ratio of length to width)=1.5 is different from those for W/D=0.06-1.0.

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