Shaping an Axisymmetric Body for Reducing Viscous Resistance with the Use of Influence Function

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  • Shaping an Axisymmetric Body for Reduci

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抄録

An attempt to obtain influence functions is described. These functions show the relationships between the change in shape of a body of revolution and the variation of frictional resistance, viscous pressure resistance, respectively. For this purpose an integral method of higher order boundary layer theory is applied. For reducing viscous resistance, a procedure reforming body shape besed on these influence functions is proposed. The results of calculation show if the body is subjected to a constant volume, optimum shape has a concave part near the tail whether the initial shape does or not. If the body is subjected to a constant volume and maximum diameter, optimum shape has a parallel part whether the initial shape does or not.

収録刊行物

  • 関西造船協会誌

    関西造船協会誌 215 (0), 19-34, 1991

    公益社団法人 日本船舶海洋工学会

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