Fuel injection device for a ramjet operating at a high mach numb

Details Fuel injection device for a ramjet operating at a high mach numb Fuel injection device for a ramjet operating at a high mach numb

1997-06-20

1999-05-04

Casaregola, Louis J.

Power plants

Reaction motor

Including heat exchange means

602701, F02K 710

Patent

active

058990615

ABSTRACT:
A fuel injection stub (6) for a ramjet is intended to operate at a high Mach number. According to the invention, the nose of the stub is formed by a thermally conductive thin wall (11) having at least approximately the shape of a dihedron, the angle of said dihedron being at most equal to 15.degree. and the radius of the leading edge (11A) of said nose being at most equal to 2 mm, and said stub includes means (23, 27) for injecting a coolant into the sealed chamber (18), said injection means producing a number of jets of pressurized coolant striking the concave face of said thin wall.

REFERENCES:
patent: 3699773 (1972-10-01), Schuning et al.
patent: 3727409 (1973-04-01), Kelly et al.
patent: 4821512 (1989-04-01), Guile et al.
patent: 5220787 (1993-06-01), Bulman
patent: 5660040 (1997-08-01), Henry et al.
patent: 5727382 (1998-03-01), Chevalier et al.

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