Fuel injection device for ramjets for aircraft

Details Fuel injection device for ramjets for aircraft Fuel injection device for ramjets for aircraft

1997-02-28

1999-08-24

Casaregola, Louis J.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60740, F02K 710

Patent

active

059410647

ABSTRACT:
The present invention concerns a fuel injection device for ramjets for supersonic and/or hypersonic aircraft, said ramjet comprising a combustion supporting gas inlet and, downstream thereof, a combustion chamber and a nozzle adapted to channel gases leaving the combustion chamber. In accordance with the invention, the injection device includes at least one injector having a structure with a plurality of spaced walls extending generally along the longitudinal axis of the ramjet body, fuel being injected into each space formed by two adjacent walls of said plurality of walls and at the downstream end of said structure.

REFERENCES:
patent: 4903480 (1990-02-01), Lee et al.
patent: 5214914 (1993-06-01), Billig
patent: 5253474 (1993-10-01), Correa et al.
patent: 5660040 (1997-08-01), Henry et al.
Masuya, et al "Ignition and Combustion Performance of Scramjet Combustors with Fuel Injection Struts," J. Propulsion and Power, vol. 11, No. 2, Mar. 1995, pp. 301-306.
Bogdanoff, "Advanced Injection and Mixing Techniques for Scramjet Combustors," Journal of Propulsion and Power, vol. 10, No. 2, Mar. 1994, pp. 183-190.
Wieting, et al. "Thermal-Structural Design/Analysis of an Airframe-Integrated Hydrogen-Cooled Scramjet," J. Aircraft, vol. 13, No. 3, Mar. 1976, pp. 192-197.
Buchmann, "Thermal-Structural Design Study of an Airframe-Integrated Scramjet," NASA Contractor Report 3141, 1979, pp. 1-34.

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