船舶風圧力データの力学モデルによる解析-II

概要

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A physical-mathematical model consisting of six elementary fluid dynamic forces and stall effects acting on a ship was proposed by the authors. After that analysis, K. Karasuno et al. examined specific fluid forces in the model, such as induced drag, cross flow drag and stall effects. This examination generated the new mathematical model. In this paper, the data presented in previous papers concerning wind forces on various types of ships were analyzed using this new mathematical model. As a result, it was found that these model formulae could well describe measured forces and give reasonable physical meanings to the formulae in terms of fluid dynamics. For the estimation of fluid dynamic forces, correlation between the coefficients of wind forces and six nondimensional hull parameters (aspect ratio, B/L, B/H, T/L, X/L, and Ax/Ay), and the correlation between wind forces coefficients were examined. The coefficients of correlations between some parameters or fluid dynamic coefficients had significant levels in these references. Therefore, each fluid dynamic coefficient of wind forces could be estimated from nondimensional hull parameters and the correlation between fluid dynamic coefficients.
社団法人日本航海学会の論文
1992-03-25