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Vibration Analysis of Roots Rotor System Considering Bearing Clearance
Du JS(杜劲松); Sun HH(孙宏浩); Yang X(杨旭); Gao J(高洁)
作者部门智能检测与装备研究室
会议名称2017 International Conference on Electrical Engineering and Automation Control (ICEEAC 2017)
会议日期Aaril 21-23, 2017
会议地点Nanjing, China
会议录名称2017 International Conference on Electrical Engineering and Automation Control (ICEEAC 2017)
出版者DEStech Publications, Inc.
出版地Lancaster, USA
2017
页码377-385
收录类别CPCI(ISTP)
WOS记录号WOS:000426938300054
产权排序1
ISSN号2475-885X
ISBN号978-1-60595-447-9
关键词Bearing Gap Roots Pump Hertz Contact Waterfall Pattern Modal
摘要In this paper, the dynamic model of rotor-bearing-gear-cavity system has been established. The dynamic model of bearing has been established by using Hertz contact theory. And the rotating shaft is regarded as the elastic Euler beam. And the rotation response is approximated by the low order modal superposition. The modal truncation method is used to list the differential equation of motion of shaft. The calculation results of the Jeffcott rotor model are compared with the methods described in this paper to verify the accuracy of the new model. The influence of modal intercepting order on the calculation results is analyzed. The appropriate modal intercept order is selected. The influence of the bearing clearance on the shaft response is analyzed by making the waterfall of the rotor response under different bearing clearance. Which provides the theoretical basis for bearing selection and structural improvement.
语种英语
引用统计
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/21289
专题智能检测与装备研究室
通讯作者Sun HH(孙宏浩)
作者单位Shenyang Institute of Automation Chinese Academy of Sciences, Liaoning Shenyang 110016, China
推荐引用方式
GB/T 7714
Du JS,Sun HH,Yang X,et al. Vibration Analysis of Roots Rotor System Considering Bearing Clearance[C]. Lancaster, USA:DEStech Publications, Inc.,2017:377-385.
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