Process and device for limiting the intensity of parasitic jets

Details Process and device for limiting the intensity of parasitic jets Process and device for limiting the intensity of parasitic jets

1989-03-06

1991-03-05

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376260, G21C 1502

Patent

active

049976206

ABSTRACT:
During a shutdown of the reactor, a device for partially closing off (27) the openings (26) of the reinforcements (6) located below the upper reinforcement (6a) is introduced through the opening (25) of the upper reinforcement (6a) of the partitioning of the core of the reactor. The closing off devices (27) remaining in position in the partitioning of the reactor after restarting thereof permit the increase and regulation of the head loss of the cooling water circulating in the annular space (7) around the partitioning (5) of the core. The closing-off device may consist of a rod (27) engaged in a set of openings (26) of the reinforcements (6) aligned along a vertical direction.

REFERENCES:
patent: 4080257 (1978-03-01), Machado et al.
patent: 4462956 (1984-07-01), Boiron et al.
patent: 4649609 (1987-03-01), Allison et al.
patent: 4675152 (1987-06-01), Verdeau et al.
patent: 4786465 (1988-11-01), Ales
"Curing Baffle Jetting at Tihange 1 with an Upflow Conversion", Le Dantec, NEI, 11/87.

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