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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)
Department智能检测与装备研究室
Conference Name2017 International Conference on Electrical Engineering and Automation Control (ICEEAC 2017)
Conference DateAaril 21-23, 2017
Conference PlaceNanjing, China
Source Publication2017 International Conference on Electrical Engineering and Automation Control (ICEEAC 2017)
PublisherDEStech Publications, Inc.
Publication PlaceLancaster, USA
2017
Pages377-385
Indexed ByCPCI(ISTP)
WOS IDWOS:000426938300054
Contribution Rank1
ISSN2475-885X
ISBN978-1-60595-447-9
KeywordBearing Gap Roots Pump Hertz Contact Waterfall Pattern Modal
AbstractIn 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.
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/21289
Collection智能检测与装备研究室
Corresponding AuthorSun HH(孙宏浩)
AffiliationShenyang Institute of Automation Chinese Academy of Sciences, Liaoning Shenyang 110016, China
Recommended Citation
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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