Rocket engine nozzle with an engine diffuser

Details Rocket engine nozzle with an engine diffuser Rocket engine nozzle with an engine diffuser

1994-05-25

1996-02-13

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With erodible, frangible or fusible nozzle part

23926519, F02K 997

Patent

active

054906296

ABSTRACT:
The downstream portion of the diverging part of the nozzle of the rocket engine is extended by an ejectable diffuser which, downstream from the zone where it is connected to the diverging part, presents a zone of smaller cross-section that acts during a first stage of flight in the presence of significant outside pressure to recompress the flow of hot gases and to prevent a flow separation from appearing along with the wall of the diverging part. The ejectable diffuser may have a streamlined throat which constitutes the zone of smaller cross-section.

REFERENCES:
patent: 2880576 (1959-04-01), Kappus
patent: 2937494 (1960-05-01), Johnson
patent: 3237402 (1966-03-01), Steverding
patent: 3357658 (1967-12-01), Ewing
patent: 4077572 (1978-03-01), Fitzgerald
patent: 4434614 (1984-03-01), Gill et al.
patent: 7925982 (1975-12-01), Mueller
"Confined Jet Thrust Vector Control Nozzle Studies", J. H. Friddell, et al, 4549 Journal of Propulsion and Power 8(1992) Nov./Dec., No. 6, Washington, D.C. U.S.

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