Thrust Nozzles for Supersonic Transport Aircraft

[+] Author and Article Information
David Migdal

Grumman Aircraft Engineering Corp., Thermodynamics and Propulsion Section, Bethpage, L. I., N. Y.

John J. Horgan

Pratt & Whitney Aircraft, East Hartford, Conn.

J. Eng. Power 86(2), 97-104 (Apr 01, 1964) (8 pages) doi:10.1115/1.3677582 History: Received January 22, 1963; Online January 10, 2012


Supersonic transports will require jet-engine thrust nozzles that are highly efficient from take-off to supersonic cruise in order to minimize the direct operating costs. Variable-area ejectors, plug nozzles, and modifications of these basic types have been tested extensively during the past several years. Performance trends for these nozzles are presented with the emphasis on external flow effects. A new ejector which utilizes aerodynamically actuated doors to admit external air into the ejector shroud is discussed.

Copyright © 1964 by ASME
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