SIMULATION AND EXPERIMENT ANALYSES ON RESONANCE FOR A ROTOR SYSTEM WITH ELASTIC SUPPORTS

机译：具有弹性支撑的转子系统共振的仿真与实验分析

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There exist different vibration patterns when a rotor system runs up and down through its critical speed, in one of them, is the interesting phenomenon called frequency capture. Based on a specially designed rotor system which is supported by elastic supports, the resonance vibrations of frequency capture and pass-through are discussed both in time and frequency domains. The nonlinear dynamical equations are described in details for the system. The vibrations of capture, when the rotating speed is locked, are compared with normal pass-through by numerical simulations and experiments. Also the instantaneous displacement trajectories, 3D FFT waterfalls and phase space portraits are calculated and demonstrated for the above two resonance vibrations. In addition, the periodical motions are discussed for capture motions using both amplitude spectra and pseudo-Poincare mappings of simulation and experiment data.

机译：当转子系统在其临界速度上下运行时，会存在不同的振动模式，其中之一就是被称为频率捕获的有趣现象。基于由弹性支撑支撑的特殊设计的转子系统，讨论了时域和频域的频率捕获和传递的共振振动。该系统将详细描述非线性动力学方程。通过数值模拟和实验，将旋转速度锁定时捕获的振动与正常传递进行比较。还针对上述两个共振振动计算并演示了瞬时位移轨迹，3D FFT瀑布和相空间肖像。此外，还讨论了使用振幅谱以及模拟和实验数据的伪庞加莱映射来捕获运动的周期性运动。

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来源
《ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference 2007》|2007年|P.903907|共2页
会议地点 Las VegasNV(US);Las VegasNV(US);Las VegasNV(US)
作者
Qingkai Han; Li Wang; Hongliang Yao; Bangchun Wen;
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作者单位

Northeastern University, School of Mechanical Engineering and Automation, Shenyang, 110004 PR China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类柔性制造系统及柔性制造单元;
关键词
rotor system; frequency capture; resonance;

机译：转子系统频率捕捉共振;

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1. Nonlinear Resonances and Self-Excited Oscillations of a Rotor due to Radial Clearance and Impact in Bearings (Experiments and Numerical Simulations) [J] . Yukio ISHIDA, Mizuho INAGAKI, Rikiya EJIMA 日本機械学会論文集. C編 . 1999,第636期

机译：径向间隙和轴承冲击对转子的非线性共振和自激振荡的影响（实验和数值模拟）
2. The resonance effect induced by the variable compliance vibration for an elastic rotor supported by roller bearings [J] . Jun Yi, Heng Liu, Fengtao Wang, Proceedings of the institution of mechanical engineers . 2014,第k4期

机译：滚动轴承支撑的弹性转子的可变柔度振动引起的共振效应
3. Experimental Investigation of an Active Elastic Support/Dry Friction Damper on Vibration Control of Rotor Systems [J] . Siji Wang, Mingfu Liao International Journal of Turbo and Jet Engines . 2014,第1期

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4. SIMULATION AND EXPERIMENT ANALYSES ON RESONANCE FOR A ROTOR SYSTEM WITH ELASTIC SUPPORTS [C] . Qingkai Han, Li Wang, Hongliang Yao, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference . 2008

机译：弹性支架转子系统的仿真和实验分析
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机译：由于径向间隙和轴承的影响，转子的非线性共振和自激振荡。实验与数值模拟。
8. Observational System Simulation Experiments and Simulations in the South China Sea for Sampling Strategies, Sound Speed Analyses and Dynamical Studies. [R] . Robinson, A. R. 2001

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SIMULATION AND EXPERIMENT ANALYSES ON RESONANCE FOR A ROTOR SYSTEM WITH ELASTIC SUPPORTS

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