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Resolving Landing Craft Air Cushion Main Engine Starter Valve Corrosion Issues

[+] Author Affiliations
James D. Hampshire

NAVSEA Philadelphia, Philadelphia, PA

Lee Myers

CSC Advanced Marine Center, Washington, D.C.

Paper No. GT2006-90848, pp. 95-99; 5 pages
doi:10.1115/GT2006-90848
From:
  • 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

abstract

The Navy’s Landing Craft Air Cushion (LCAC) hovercraft vehicles use two Auxiliary Power Units (APUs) to provide bleed air to start the main propulsion TF40B or ETF40B engines. Each main propulsion engine is assigned a normally closed starter shutoff valve to permit APU bleed air to pass to the main propulsion engine air starters. These starter shutoff valves are seizing due to corrosion and prohibit airflow needed to start the main engines. This paper will describe the planned study to identify and resolve starter shutoff valve failures.

Copyright © 2006 by ASME
Topics: Engines , Corrosion , Valves

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