境界層内に立てられた平板翼 : 第2報, 側壁面境界層と翼端渦との両影響を受けた平板翼の翼性能

概要

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The flow on a flat-plate wing with low aspect ratio suffers the effect of side wall boundary layer and also of wing tip vortex. In this study, the flow on the suction surface of the wing is observed by the oil film visualization, and the pressure distribution on the wing surface along the chord is measured in many spanwise positions. The results obtained are as follows. The side wall boundary layer induces secondary flow which suppresses the separation of the flow near the root of the wing, and the wing tip vortex suppresses flow separation near the tip of the wing. On a small aspect ratio wing, the separation of the flow is suppressed more strongly by the effects of both the side wall boundary layer and the wing tip vortex.
社団法人日本機械学会の論文
1992-02-25