Fuel assembly with flow tripper for a boiling water reactor

Details Fuel assembly with flow tripper for a boiling water reactor Fuel assembly with flow tripper for a boiling water reactor

1990-11-28

1992-09-01

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, 376439, 376444, G21C 332

Patent

active

051436914

ABSTRACT:
A fuel assembly for a boiling water reactor includes an elongated case having an interior and inner surfaces. A base part has inlet openings discharging into the interior of the case for coolant flowing in a given flow direction and a head part has outlet openings leading out of the interior of the case for the coolant flowing in the given flow direction. Mutually parallel fuel rods containing nuclear fuel are disposed in the case between the base and head parts. The inner surfaces of the case have a profile with a rectilinear alignment as seen in the given flow direction and flow trippers extending transversely to the alignment in the form of bulges protruding inward in the given flow direction. Each of the bulges has a sloped surface facing toward the coolant with an impact surface substantially perpendicular to the given flow direction.

REFERENCES:
patent: 4749543 (1988-06-01), Crowther et al.
patent: 4775510 (1988-10-01), Bryan
patent: 5002725 (1991-03-01), Lettau et al.

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