Multiple impinging stream vortex injector

Details Multiple impinging stream vortex injector Multiple impinging stream vortex injector

1995-08-28

1997-04-22

Freay, Charles G.

Power plants

Reaction motor

Liquid oxidizer

60211, 60257, 239404, 239543, F02K 900

Patent

active

056220464

ABSTRACT:
Current state-of-the art injection methodologies for bipropellant engines ly on either impingement or turbulence to mix the fuel and oxidizer streams. The multiple impinging stream vortex injector combines both mixing schemes into a single injector. Both first stage mixing at point of impingement and second stage mixing or turbulent vortex mixing is accomplished by impinging momentum balanced, tangentially injected propellant streams onto one another. The impingement angles are calculated to yield a resultant stream vector that consists of only a tangential velocity component. The two stages of mixing results in increased engine performance and combustion efficiency.

REFERENCES:
patent: 2602290 (1952-07-01), Goddard
patent: 3568445 (1971-03-01), Munding et al.
patent: 3640072 (1972-02-01), Kayser
patent: 5080286 (1992-01-01), Morrison

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