Low speed engine for supersonic and hypersonic vehicles

Details Low speed engine for supersonic and hypersonic vehicles Low speed engine for supersonic and hypersonic vehicles

1991-04-10

1992-07-14

Casaregola, Louis J.

Power plants

Reaction motor

Including motive fluid treating means

602701, 60746, F02K 710

Patent

active

051292270

ABSTRACT:
A jet engine for use in a hypersonic aircraft. A fuel rich injectant is injected into the mixing zone of a duct at a substantial downstream angle to form an ejector. The temperature of the injectant is sufficiently low that spontaneous combustion of the injectant is delayed until the injectant reaches the combustion zone of the duct. In order to prevent combustion from propagating upstream from the combustion zone, the equivalence ratio of the mixture of injectant and ambient air flowing along the wall of the duct is maintained at a relatively high value, and the velocity profile of the flow along the wall of the duct is maintained at a relatively high value.

REFERENCES:
patent: 3323304 (1967-06-01), Llobet et al.
patent: 3667233 (1972-06-01), Curran et al.
patent: 3690102 (1972-09-01), DuPont
patent: 3768257 (1973-10-01), Neuffer
patent: 3841090 (1974-10-01), Sharpe
patent: 4644746 (1987-02-01), Hartman
G8-2 Technical Handbook, EMG Engineering Co., P.O. Box 1368, Hesperia, Calif. 92345 (Revised 1985).

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