Jet pump electro-nozzle

Details Jet pump electro-nozzle Jet pump electro-nozzle

1994-05-09

1995-08-22

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376260, 376210, 376259, 376305, G21C 1500, G21C 1928

Patent

active

054447470

ABSTRACT:
A method and a device for minimizing electrostatically enhanced deposition of charged particulates in the jet pump nozzles of operating BWR plants. The jet pump nozzle has an inner conducting surface which is electrically isolated from the main body of the nozzle. An electrical circuit is electrically coupled to the inner conducting surface of the nozzle. The electrical circuit is designed to electrically minimize charged-particle deposition at the nozzle surface exposed to a free-stream electrical potential, using a DC circuit with active element feedback to adjust the surface potential to minimize the net current to the inner conducting surface, thereby minimizing deposition.

REFERENCES:
patent: 3625820 (1971-12-01), Glunte
patent: 3815038 (1974-06-01), Davis
patent: 4048558 (1977-09-01), Goodman
patent: 4117396 (1978-09-01), Berkey et al.
patent: 5101159 (1992-03-01), Bossard et al.
patent: 5122330 (1992-06-01), Solomon et al.
patent: 5171517 (1992-12-01), Solomon et al.

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