RESEARCH PAPERS: Gas Turbines: Structures and Dynamics

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

[+] Author and Article Information
J. E. Barnes

Gas Turbine Engineering, GE Company, Schenectady, NY 12345

J. Eng. Gas Turbines Power 119(4), 930-933 (Oct 01, 1997) (4 pages) doi:10.1115/1.2817076 History: Received February 01, 1996; Online November 19, 2007


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 [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 © 1997 by The American Society of Mechanical Engineers
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