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Analysis and Troubleshooting of Steam Induced Instability for an Industrial Turbomachinery

[+] Author Affiliations
Song-yuan Lu, Zheng-feng Wu, Xu Zhao

Southeast University, Nanjing, Jiangsu, China

Paper No. DETC2009-87831, pp. 1269-1275; 7 pages
  • ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B
  • San Diego, California, USA, August 30–September 2, 2009
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4898-2 | eISBN: 978-0-7918-3856-3
  • Copyright © 2009 by ASME


This paper presents the whole process of vibration analysis and troubleshooting of a new commissioning T6530 unit, a steam extraction and backpressure turbomachinery, which exhibited steam-excited instability during load-up. Through vibration measurement, fault diagnosis, site fault handling and stability numerical analysis of bearing and shaft train, the unit was redesigned and manufactured to resolve vibration faults finally.

Copyright © 2009 by ASME
Topics: Steam , Turbomachinery



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