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Estimation of vibrational state of mistuned blade assemblies of gas turbine compressor rotor wheel

机译:燃气涡轮压缩机转子轮型迷雾叶片组件振动状态的估计

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Results of investigations involving the determination of possible causes of disk rim failure of a rotor wheel with blades, having the root of a dovetail joint type, are presented. The numerical experiments were performed using the theory of coupling vibration of mechanical systems. Numerical investigations of specific features of natural vibration spectrum of the rotor design considered and of the influence of the blade frequencies mistiming upon resonant vibrations have been performed to elucidate the cause of rather high vibration stresses in the disk rim.
机译:提出了涉及确定具有叶片的叶片的磁盘RIM失效的可能原因的研究结果,具有燕尾件的叶片的根部。使用机械系统的耦合振动理论进行数值实验。已经进行了考虑的转子设计的自然振动谱的特定特征的数值研究,并且已经进行了旋转振动对谐振振动的影响,以阐明盘边缘中相当高的振动应力的原因。

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