Numerical analysis for steady-state response of synchronized rotating dual-rotor system

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Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (5) : 162-165,.

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Numerical analysis for steady-state response of synchronized rotating dual-rotor system

Li Xilin;Zhang ZhiXin;He Sizheng

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Abstract

This paper introduced an experimental device of synchronous dual-rotor with little speed difference and built the dynamic model of this rotor system. The dynamics such as critical speed and unbalance response was analyzed by the finite-element method. Different dynamic characteristics of the dual-rotor system under three running states, in a single rotor (inner or outer rotor), synchronously and micro-speedily in-and-outside the rotor, were compared. Finally, the dynamics of the devices were measured practically. The result showed this experimental device reached the requirement of studying the principle of dynamic balance.

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dual-rotor / critical-speed / dynamic-balance

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Li Xilin;Zhang ZhiXin;He Sizheng. Numerical analysis for steady-state response of synchronized rotating dual-rotor system[J]. Journal of Vibration and Shock, 2010, 29(5): 162-165,