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Design Optimization Study of Isolation Mount Systems for Gas Turbine Engine Accessories

[+] Author Affiliations
William Sheridan

Pratt & Whitney, East Hartford, CT

Kazem Kazerounian

University of Connecticut, Storrs, CT

Paper No. GT2005-68048, pp. 361-371; 11 pages
doi:10.1115/GT2005-68048
From:
  • 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

abstract

Design optimization has become increasingly important in today’s world. The ability to develop products that offer the best possible solution, distinguish industry leaders from those that lag behind. To reach this goal, optimization techniques are required which provide solutions in a timely and cost effective manner. This paper addresses a specific optimization process for designing isolation mount systems for gas turbine engine accessory components. This process enables the designer to quickly select an isolation system that will reduce the loads on components without the use of a time consuming Finite Element Analysis (FEA). Commercially available tools such as MATLAB [7] and MSC-WORKING MODEL 2D [6] are used to study a range of mount systems and help the designer focus his attention on the best choice of design variables. Gas Turbine engine accessory mount systems are generally sized by emergency conditions such as Fan Blade Out (FBO). These emergency conditions are rarely seen in service, but since they can drive the cost and weight of the mount system, an optimization process is needed to select the best configurations. References [8] through [10] discuss this in detail. Design Cycle time is just as important as cost and weight. The ability to size and package components quickly and accurately is vital to the design process. Poor utilization of space can drive cost and weight as much as poor component design. Knowing the correct size of the mount system in a rapid fashion offers further opportunities for surrounding components & systems to be optimized.

Copyright © 2005 by ASME

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