STOVL Hot Gas Ingestion Control Technology

[+] Author and Article Information
K. C. Amuedo, B. R. Williams, J. D. Flood

McDonnell Aircraft Company, McDonnell Douglas Corporation, St. Louis, MO 63161

A. L. Johns

NASA Lewis Research Center, Cleveland, OH 44135

J. Eng. Gas Turbines Power 113(1), 68-74 (Jan 01, 1991) (7 pages) doi:10.1115/1.2906532 History: Received February 23, 1989; Online April 24, 2008


A comprehensive wind tunnel test program was conducted to evaluate control of Hot Gas Ingestion (HGI) on a 9.2 percent scale model of the McDonnell Aircraft Company model 279-3C advanced Short Takeoff and Vertical Landing (STOVL) configuration. The test was conducted in the NASA-Lewis Research Center 9 ft by 15 ft Low Speed Wind Tunnel during the summer of 1987. Initial tests defined baseline HGI levels as determined by engine face temperature rise and temperature distortion. Subsequent testing was conducted to evaluate HGI control parametrically using Lift Improvement Devices (LIDs), forward nozzle splay angle, a combination of LIDs and forward nozzle splay angle, and main inlet blocking. The results from this test program demonstrate that HGI can be effectively controlled and that HGI is not a barrier to STOVL aircraft development.

Copyright © 1991 by The American Society of Mechanical Engineers
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