Study on Rotor-Bearing System Vibration of Downhole Turbine Generator under Drill-String Excitation

Downhole turbine generators (DHTG) installed within drill-string are susceptible to internal and external excitation during the drilling process, causing significant dynamic loads on bearings, and thereby reducing the bearing’s service life. In this study, a finite element model of an unbalanced rot...

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出版年:	Energies
主要な著者:	Benchun Yao, Zhen Tian, Xu Zhan, Changyun Li, Hualong Yu
フォーマット:	論文
言語:	英語
出版事項:	MDPI AG 2024-03-01
主題:	drill-string excitation rotor-bearing system unbalance turbine generator squeeze film damper
オンライン･アクセス:	https://www.mdpi.com/1996-1073/17/5/1176