2次元タンデム水中翼の性能について

概要

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The Low Speed Approximation method (LSA), which we call the conventional Rankine Source Method, uses the double model flow as the basic flow. On the other hand, High Speed Approximation method (HSA) is the new Rankine source method, which uses inverse images above the still water surface in the high speed range. We calculate the wave profile, lift and wavemaking resistance of the 2-D tandem hydrofoils using LSA and HSA in a wide range of speeds. In order to investigate the interaction between the fore and the aft foils of the tandem hydrofoil system, Froude number, stagger, gap, depth and angle of attack are chosen as the parameters. Curves are given showing the variation of characteristics for these five parameters. Using these results, it is shown here that in the high speed range, HSA is applicable to the tandem hydrofoil system.
社団法人日本船舶海洋工学会の論文
1993-03-29