Pressure balance nonaxisymmetric high aspect ratio afterburner c

Details Pressure balance nonaxisymmetric high aspect ratio afterburner c Pressure balance nonaxisymmetric high aspect ratio afterburner c

1981-09-29

1984-05-22

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and fluid sustained

244 23D, 244 55, 60232, 60242, 60271, 23926519, 23926533, F02K 106, B64D 2718

Patent

active

044496788

ABSTRACT:
An improved pressure balanced nonaxisymmetric high aspect ratio afterburner convergent nozzle of the type adapted to be mounted on a jet engine suspended from an airfoil's wing spar structure, and characterized by its simplicity of construction, ease and reliability of operation, and improved simplified sealing characteristics; yet, which permits substantial reduction of the included angle between the wing chord reference plane WCRP and the visual line-of-sight from the airfoil trailing edge into the jet engine nozzle while in its cruise position. More specifically, the present invention pertains to a simplified pressure balanced nonaxisymmetric high aspect ratio afterburner convergent nozzle construction which permits of simplified, highly effective sealing arrangements and wherein when the nozzle is shifted to a dry nozzle position--i.e., the cruise position--the trailing edge line-of-sight into the nozzle is maintained at a minimum angle, preferably on the order of from about 5.degree. to about 10.degree. as measured from the wing chord reference plane WCRP.

REFERENCES:
patent: 2427980 (1947-09-01), Stinson et al.
patent: 3773280 (1973-11-01), Buchstaller
patent: 3897907 (1975-08-01), Colley
patent: 4000611 (1977-01-01), McCardle, Jr. et al.
patent: 4000854 (1977-01-01), Konarski et al.
patent: 4280660 (1981-07-01), Wooten, Jr. et al.

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