揚力線との共存による三次元空洞翼の流れ解析 : 第2報,空洞線理論の展開

概要

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A method of flow analysis is developed by combining the formerly proposed cavitating-line theory with the well-known lifting-line one for obtaining the three dimensional characteristics of the cavitating hydrofoils. of finite span. Its main theoretical features are enumerated as follows (1) Three dimensional effects due not only to the finite hydrofoil but also to the finite cavity are reasonably taken into account in the analysis. (2) A theoretical basis for spanwise determination of the two dimensional cavity model adopted is shown clearly under the mutual interferences between the cavitating-line and lifting-line. Some notable effects of aspect ratio on the hydrofoil characteristics (lift, drag, induced drag) and cavity characteristics (effective cavitation number, cavity length, cavity termination thickness, cavity drag, induced drag) are clarified in some details through numerical examples of wide range for the super-cavitating hydrofoils of elliptic plan form.
一般社団法人日本機械学会の論文
1995-04-25