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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part K, Journal of Multi-body Dynamics >Analysis of dynamic behavior of multi-cracked cantilever rotor in viscous medium
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Analysis of dynamic behavior of multi-cracked cantilever rotor in viscous medium

机译：粘性介质中多裂纹悬臂转子的动力特性分析

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摘要

The present investigation is an attempt to evaluate the dynamic behaviours of multi-cracked cantilever rotor shaft with an additional mass attached at the tip of the shaft, which is partially submerged in the viscous fluid. In this work, theoretical expressions are developed to find the fundamental natural frequency and amplitude of the multi-cracked rotor shaft with attached mass, using influence coefficient method. Navier-Stoke's equations are used for the analysis of external fluid forces acting on the rotor. Viscosities of the fluid and relative crack locations are taken as main variable parameters. For the analysis, suitable theoretical expressions are considered, and the Matlab programming is made to obtain the results. Experimental verifications are also performed to prove the validity of the theory developed.
机译：本研究旨在评估多裂纹悬臂式转子轴的动态行为，附加质量附加在轴尖端，该质量部分浸没在粘性流体中。在这项工作中，使用影响系数法，开发了理论表达式以找到附有质量的多裂纹转子轴的基本固有频率和振幅。 Navier-Stoke方程用于分析作用在转子上的外部流体力。流体的粘度和相对裂纹位置被视为主要的可变参数。为了进行分析，考虑了合适的理论表达式，并进行了Matlab编程以获得结果。还进行了实验验证，以证明所开发理论的有效性。

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