Arrangement to cool the thrust nozzle for a rocket engine

Details Arrangement to cool the thrust nozzle for a rocket engine Arrangement to cool the thrust nozzle for a rocket engine

1980-11-26

1983-01-25

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle with jacketed or hollow...

With subsequent mixing in main discharge stream in or...

60265, 60267, F02K 1100

Patent

active

043699200

ABSTRACT:
A rocket engine includes a housing which defines a combustion chamber and a thrust nozzle connected to the combustion chamber and having an opposite end terminating in a thrust discharge. The thrust nozzle includes a rear section which includes walls or channels defined for transmitting a fluid in heat exchange relationship with the walls of the rear section advantageously as a regenerative cooling. The thrust nozzle also includes a rear section which terminates in a discharge opening or series of discharge openings at the rear end thereof which aids in the thrust generation. The rear thrust nozzle section is provided with one or more inlet openings and with a plurality of discharges or outlets which open into the interior of the thrust nozzle section and provide a film cooling along the interior wall thereof at spaced axial or longitudinal locations along the thrust nozzle. The individual outlets may be supplied with cooling fluid from the cooling channels of the thrust nozzle rear section which may be fed from one single inlet ring or a series of inlets or rings which are spaced along the length of the rear section.

REFERENCES:
patent: 3091924 (1963-06-01), Wilder, Jr.
patent: 3267664 (1966-08-01), Jones et al.
patent: 3605412 (1971-09-01), Stockel
patent: 4055044 (1977-10-01), Dederra et al.
Rocket Propulsion, Barrere et al., Elsevier Pub. Co., 1960, p. 462.

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