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Rotor Components Life Evaluation Validated by Field Operation Data

[+] Author Affiliations
Mauro Macciò, Adelmo Rebizzo, Laura Traversone, Luca Bordo

Ansaldo Energia, Genoa, Italy

Paper No. GT2010-22741, pp. 539-548; 10 pages
doi:10.1115/GT2010-22741
From:
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 6: Structures and Dynamics, Parts A and B
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4401-4 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME

abstract

Since E class gas turbines manufactured by Ansaldo Energia are approaching their typical life limits for their planned life cycle (100.000 EOH or 3000 start up) a detailed approach has been developed and carried out in order to guarantee main components for a life extension. This approach has become very important in order to overcome the adopted conservative design approach developed in the seventies taking into account an “ideal reference engine” and therefore focusing on the real engine featured by its history and its component peculiarity. This paper presents a complete life analysis approach which includes experimental tests, FEM analysis and life prediction for the gas turbine model AE94.2, using the 170MW-class 3000 rpm.

Copyright © 2010 by ASME

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