Boiling water reactor with expanded core diameter

Details Boiling water reactor with expanded core diameter Boiling water reactor with expanded core diameter

1991-05-01

1993-05-25

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376370, 376226, 376406, G21C 700

Patent

active

052137562

ABSTRACT:
An expanded reactor core capacity is achieved within the constraints imposed by the diametric extent of the current advanced boiling reactor (ABWR). This enhanced core capacity is achieved through the utilization of a scalloped shroud structure in conjunction with modified control rod designs. The core diameter is expanded toward the reactor vessel interior wall to establish a minimum distance therebetween representing a minimum value thereof avoiding neutron fluence induced vessel embrittlement. The control rods servicing peripheral fuel assemblies are configured having either a T-shaped blade configuration or an L-shaped blade configuration depending upon the parallel orientations of the peripheral fuel assemblies.

REFERENCES:
patent: 3467578 (1969-09-01), Hornbichler et al.
patent: 3723247 (1973-03-01), Leine et al.
patent: 5009838 (1991-04-01), Shioyama et al.
patent: 5082620 (1992-01-01), Fennern

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