Rotor-to-stator rub vibration in centrifugal compressor

机译：离心式压缩机中的转子 - 定子摩擦振动

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One example of excessive vibration encountered during loading of a centrifugal compressor train (H type compressor with HP casing) is discussed. An investigation was made of the effects of the dynamic load on the bearing stiffness and the rotor-bearing system critical speed. The high vibration occurred at a "threshold load," but the machine didn't run smoothly due to rubs even when it had passed through the threshold load. The acquisition and discussion of the data taken in the field as well as a description of the case history which utilizes background information to identify the malfunction conditions is presented. The analysis shows that the failures, including full reverse precession rub and exact one half subharmonic vibration, were caused by the oversize bearings and displacement of the rotor center due to foundation deformation and misalignment between gear shafts, etc. The corrective actions taken to alleviate excessive vibration and the problems which remain to be solved are also presented.

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作者
Gao, J. J.; Qi, Q. M.;
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年度 1985
页码 1-10
总页数 10
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
ANTIFRICTION BEARINGS; CENTRIFUGAL COMPRESSORS; RESONANT VIBRATION; ROTORS; STATORS; DISPLACEMENT; LOADS (FORCES); LUBRICATION; SPECTRUM ANALYSIS; STIFFNESS; SYSTEM FAILURES;

机译：抗压轴承;离心式压缩机;共振; ROTORs;定子;移位;负荷（力量）;润滑;光谱分析;刚性;系统故障;

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专利

1. Research on vibration induced by the coupled heat and force due to rotor-to-stator rub [J] . Tian Y.-W., Yang J.-G. Journal of vibration and control: JVC . 2011,第4期

机译：转子与定子摩擦产生的热与力耦合引起的振动研究
2. Effect of partial rotor-to-stator rub on shaft vibration [J] . Mohamed A. Abuzaid, Mohamed E. Eleshaky, Mohamed G. Zedan Journal of Mechanical Science and Technology . 2009,第1期

机译：转子与定子之间的部分摩擦对轴振动的影响
3. Effect of partial rotor-to-stator rub on shaft vibration [J] . Mohamed. A. Abuzaid, Mohamed E. Eleshaky, Mohamed G. Zedan Journal of Mechanical Science and Technology . 2009,第1期

机译：转子与定子之间的部分摩擦对轴振动的影响
4. ROTOR-TO-STATOR RUB VIBRATION IN CENTRIFUGAL COMPRESSOR [C] . Gao Jin Ji, Qi Qi Min Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Rotordynamic Instability Problems in High-Performance Turbomachinery Workshop;Workshop on Rotordynamic Instability Problems in High-Performance Turbomachinery;Workshop on Rotordynamic Instability Problems in High-Performance Turbomachinery;Instability in Rotating Machinery Symposium . 2011

机译：离心式压缩机的转子 - 定子摩擦振动
5. Eine analytisch-numerische Betrachtung zu thermoelastischen Schwingungen von schnelldrehenden Rotoren beim Anstreifen an Bürstendichtungen =An Analytical-Numerical Approach for Thermo Elastic Vibrations of High-Speed Rotors during a Rub against a Brush Se [D] . Fay, Robert. 2019

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6. Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control—Part I: Non-Axisymmetrical Flow in Centrifugal Compressor [O] . Mingyang Yang, Xinqian Zheng, Yangjun Zhang, -1

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7. Effect of partial rotor-to-stator rub on shaft vibration† [O] . Mohamed A. Abuzaid, Mohamed E. Eleshaky, Mohamed G. Zedan 2008

机译：部分转子 - 定子摩擦对轴振动的影响†

Rotor-to-stator rub vibration in centrifugal compressor

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