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Surface Damage Tolerance Analysis of a Gas Turbine Engine Rotor

[+] Author Affiliations
Ahsan Jameel

Honeywell, Phoenix, AZ

Paper No. GT2005-68760, pp. 457-462; 6 pages
  • ASME Turbo Expo 2005: Power for Land, Sea, and Air
  • Volume 4: Turbo Expo 2005
  • Reno, Nevada, USA, June 6–9, 2005
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4727-6 | eISBN: 0-7918-3754-8
  • Copyright © 2005 by ASME


DARWIN™ (Design Assessment of Reliability With INspection) is a simulation-based computer program for probabilistic fatigue life prediction of rotors and disks in commercial aircraft jet engines. This program is being developed by Southwest Research Institute® (SwRI®) and a team of major aircraft gas turbine engine manufacturers (General Electric, Pratt & Whitney, Honeywell, and Rolls Royce Indianapolis) as a major research and development initiative. This paper is a presentation of the experience of Honeywell in the use of DARWIN to assess probability of fracture (POF) due to surface damage in a highly stressed bolthole in a nickel component.

Copyright © 2005 by ASME



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