回転するディスク・ブレード連成系の自由振動 : シュラウドの質量を考慮した解析

概要

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The free vibration of disk-blade coupled systems which have shrouds interconnecting the blades is investigated analytically. The effects of rotation are taken into account by estimating the potential energies due to centrifugal force for both the disk and blades, and artificial springs are introduced between the components to satisfy their continuity conditions. Shrouds are also replaced by artificial springs, and their masses are considered as concentrated masses attached to the blades. The orthogonal polynomials generated using the Gram-Schmidt process are employed as the admissible functions. The frequency equation derived by the present method is solved numerically and the effect of retation and the mass and position of the shrouds are investigated.
一般社団法人日本機械学会の論文
1996-05-25