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Validation of CESI Blade Life Management System by Case Hstories, On Line Measurements and In Situ NDT

[+] Author Affiliations
Claudia Rinaldi, Valerio Bicego, Pier Paolo Colombo

CESI, Milano, Italy

Paper No. GT2004-54217, pp. 863-871; 9 pages
  • ASME Turbo Expo 2004: Power for Land, Sea, and Air
  • Volume 2: Turbo Expo 2004
  • Vienna, Austria, June 14–17, 2004
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4167-7 | eISBN: 0-7918-3739-4
  • Copyright © 2004 by ASME


A Life Management System was developed for hot components of large industrial gas turbines, in the form of a software tool for predicting component lives under typical operational transients (normal and also abnormal) and steady-state periods. The method utilises results of previous thermo-mechanical finite element and finite volume fluid mechanics analyses. The basic idea of this method is using data from structural and aero-thermal analyses (pressures and temperatures), blade life theory and material properties as an input to algorithms, and using operational and historical data to validate the predicted damage amounts. The software developed in this project, of general applicability to all GT models, has been implemented with reference to the geometries, materials and service conditions of a Fiat-Westinghouse model.

Copyright © 2004 by ASME
Topics: Measurement , Blades



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