Induced nuclear reactions: processes – systems – and elements – Reactor structures – Circulating fluid within reactor
Patent
1988-01-25
1989-07-11
Hunt, Brooks H.
Induced nuclear reactions: processes, systems, and elements
Reactor structures
Circulating fluid within reactor
417197, G21C 1524
Patent
active
048470430
ABSTRACT:
An improved liquid jet pump for water is described in which the water issuing from the jet pump drive nozzle passes into a nozzle mixing chamber where steam is introduced to nozzle outflow. This steam, traveling in the same direction as and converging upon the liquid driving stream, is raised to high velocities. These uncommonly high velocities of steam are attained both as a result of passage through a converging/diverging nozzle and the action of condensation upon the passing liquid stream. The liquid driving stream is supplied at a temperature which promotes immediate condensation of the steam molecules of the high speed steam jet. A process of momentum exchange immediately occurs within the drive nozzle mixing chamber between the high-velocity steam and the parallel-moving slower liquid stream with momentum being transferred from the steam to the liquid driving stream. The liquid driving stream with its enhanced momentum is thereafter exhausted from the nozzle mixing chamber and used conventionally to drive the jet pump. Improved jet pump recirculation system is described for use with current and advanced boiling water nuclear reactors.
REFERENCES:
patent: 3607635 (1971-09-01), Ripley et al.
patent: 3621926 (1971-11-01), Townsend
patent: 3625820 (1971-12-01), Gluntz et al.
patent: 4212594 (1980-07-01), Sheer, Jr.
patent: 4280796 (1981-07-01), Reinsch
patent: 4440719 (1984-04-01), Howard
patent: 4569635 (1986-02-01), Nicodemus
patent: 4580948 (1986-04-01), Schmidlin
General Electric Company
Hunt Brooks H.
Schroeder Robert R.
Wasil Daniel
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