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Structural Integrity of a Gas Turbine Combustion System Subjected to Increased Dynamic Pressure FREE

[+] Author Affiliations
John E. Barnes

GE Company, Schenectady, NY

Paper No. 96-GT-473, pp. V005T14A058; 5 pages
doi:10.1115/96-GT-473
From:
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME

abstract

The effect of combustion dynamic pressure oscillations on the structural integrity of the MS 7001F dry low NOX 2 (DLN 2) combustion system has been evaluated using ANSYS [ref. 1] finite element analyses and high cycle fatigue material data. Analytical results were validated with laboratory measurements on the combustion system subjected to combustion dynamic pressure at actual gas turbine temperature and pressure operating conditions. The combustion liner, transition piece, impingement sleeve and supports were proven to have excellent durability when subjected to dynamic loads. No risk of structural failure exists at anticipated dynamic pressures using assumptions shown to be conservative.

Copyright © 1996 by ASME
This article is only available in the PDF format.

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