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Advanced Degradation Rates for High Power LM2500 Applications

[+] Author Affiliations
Matthew J. Driscoll, Thomas Habib

Naval Surface Warfare Center, Philadelphia, PA

Paper No. GT2006-90114, pp. 1-8; 8 pages
  • ASME Turbo Expo 2006: Power for Land, Sea, and Air
  • Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B
  • Barcelona, Spain, May 8–11, 2006
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4240-1 | eISBN: 0-7918-3774-2
  • Copyright © 2006 by ASME


Since the early 1970’s, the United States Navy has utilized the General Electric LM2500 gas turbine engine for propulsion aboard its surface combatants including its newest DDG 51 Class Destroyer. These ships have generally operated at a part power operational profile under a COGAG arrangement which has offered system redundancy while exceeding life projections for the gas turbine engines. For its newest ships still in the design phase (LHD 8/LCS/LSC(X)) the Navy intends to continue to utilize gas turbine engines but in different applications including electric drive, high power boost applications in tandem with both diesel engines and electric motor arrangements. Although this paper focuses on the LM2500, its conclusions are meant to apply to a broader scope of future propulsion applications. Specific conclusions are provided describing potential operating profile considerations.

Copyright © 2006 by ASME



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