翼列における失速フラッタ : 第1報, 準actuator discの方法による純曲げ振動翼理論, その1

概要

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Among theoretical studies about the aerodynamic force acting on vibrating blades in turbomachines, Whitehead's theory is the only one that has ever been undertaken for treating both stalled and unstalled blade vibrations on a unified basis. Unfortunately he made mistakes in comparing the order of magnitude of infinitesinal quantities, and moreover the assumption of the actuator disc cannot be expected to give a stability criterion for the blade flutter, because the assumption itself means that the reduced frequency is always zero, so his theory could give nothing but the erroneous results. Neverthless, the actuator disc method first applied by him to the vibration problems is very promising. This paper, correcting his mistakes, gives a theoretical method of calculating the aerodynamic force by the "semi-actuator disc" method which is an extension of the actuator disc method.
一般社団法人日本機械学会の論文
1963-02-25