Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle – With addition of secondary fluid upstream of outlet
Patent
1979-05-30
1980-12-16
Reeves, Robert B.
Fluid sprinkling, spraying, and diffusing
Reaction motor discharge nozzle
With addition of secondary fluid upstream of outlet
60271, 417187, B63H 2546
Patent
active
042391555
ABSTRACT:
A rotary jet including a core-flow arrangement minimizes flow separation of primary and induced secondary flows over the afterbody of the jet rotor. By discharging a small portion of the primary jet through a central opening in the afterbody concentric with the nozzled rotor, a favorable pressure gradient is generated over the surface of the afterbody, which helps reduce or prevent flow separation thereover.
REFERENCES:
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patent: 3420060 (1969-01-01), Ostroff et al.
patent: 3447324 (1969-06-01), French
patent: 3575127 (1971-04-01), Wislicanus
patent: 3710890 (1973-01-01), True
patent: 3783814 (1974-01-01), Zovko
patent: 3830431 (1974-08-01), Schwartz
Foa, J. V., "A New Method of Energy Exchange Between Flows, and Some of its pplications;" RPI Technical Report.
Foa, J. V., "Cryptosteady Energy Exchange," RPI Technical Report, TR-AE 6282, Mar. 1962.
Foa, J. V., "A Method of Energy Exchange," American Rocket Society Journal, vol. 32, #9 9/1962.
Foa, J. V., "A Vaneless Turbopump," AIAA Journal, vol. 1, No. 2, 2/1963.
Church Gene A.
Reeves Robert B.
Sciascia R. S.
Sheinbein Sol
The United States of America as represented by the Secretary of
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