The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 32-626
Full Name: Yan Li
Position: Student
Age: ON
Sex: Male
Address: Beijing university of Chemical Technology 130#,15 Beisanhuan East Road, Chaoyang District, Beijing,100029
Country: CHINA
Tel: 13810123753
Tel prefix: +860
Fax: 01086706427
E-mail address: happy523_2000@163.com
Other E-mails: 25833331@qq.com
Title of the Paper: an experimental study on the self-recovery regulation system of centrifugal compressor axial displacement fault
Authors as they appear in the Paper: Yan Li, Weimin Wang, Jinji Gao,Shuangxi Li
Email addresses of all the authors: happy523_2000@163.com,wwmbuct@163.com,happynew523@hotmail.com,lsx@mail.buct.edu.cn
Number of paper pages: 11
Abstract: The axial displacement fault has very little indication before taking place and the fracture of oil film between thrust disk and tilt pads mainly contributes to this breakdown. Usually this fracture was caused by the contamination of oil or decrease of oil supply pressure which result in losing load bearing capacity of oil film. Also the increase of axial force caused by fluctuation of operation condition can result in the oil film fracture. Both of the above reasons can lead to tilt pads abrasion and emergency shutdown of machine. The method presented in this paper monitors the stiffness of oil film and identifies the reason of axial displacement increasing. By introducing the mechanism of axial displacement fault self-recovering and taking the axial displacement as the control objectives, the axial forces on rotor was controlled on-line and the minimum oil film thickness was ensured in real time. The experiment indicated that the mechanism can realize the axial f!
ault self-recovery effectively, and with this system, the centrifugal compressor doesn¡¯t need to be shut down immediately when the axial displacement fault happens.
Keywords: Centrifugal compressor, Axial displacement, Thrust bearing, Fault self-recovery, PID controller, Axial stiffness
EXTENSION of the file: .pdf
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