Small Gas Turbines for US Army Auxiliary Power Systems FREE

[+] Author Affiliations
Robert A. Mercure

Research, Development and Acquisition, Alexandria, VA

Paper No. 86-GT-282, pp. V002T04A010; 11 pages
  • ASME 1986 International Gas Turbine Conference and Exhibit
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Dusseldorf, West Germany, June 8–12, 1986
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7929-0
  • Copyright © 1986 by ASME


Gas turbine driven Auxiliary Power Units (APU) have been used in both military and commercial aviation support systems for more than 30 years. APUs installed on-board aircraft provide electrical, hydraulic and pneumatic power to assist and support the vehicle and the main propulsion systems. Ground carts provide similiar functions for mission preparation and maintenance as well as mobile electric power. Other applications include tracked combat vehicles and ground shelter units.

The primary attributes of the gas turbine have given it a solid foothold in the aircraft APU market. Non-aviation applications, however, have been limited because of the turbine’s high acquisition cost and high fuel consumption relative to other available engines. Reducing specific fuel consumption is not as inherently valuable as reducing cost and increasing reliability since engine acquisition and maintenance costs of APUs dominate life cycle costs.

Copyright © 1986 by ASME
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