Cruciform skeleton and water cross for a BWR fuel assembly

Details Cruciform skeleton and water cross for a BWR fuel assembly Cruciform skeleton and water cross for a BWR fuel assembly

1984-02-28

1986-12-02

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, 376439, 376443, 376444, G21C 332

Patent

active

046264051

ABSTRACT:
A water cross for delivering non-boiling water to the center of a BWR fuel assembly for improved moderation and fuel economy. A cruciform skeleton is assembled from grid straps and connecting straps positioned at axial locations along stiffening rods. The skeleton is inserted into a flow channel to provide support for rectangular or square water tubes which are inserted through the skeleton into the flow channel to form an internal water cross. A method for forming a water cross is also disclosed.

REFERENCES:
patent: 3350275 (1965-08-01), Venier et al.
patent: 3466226 (1969-09-01), Lass
patent: 3802995 (1974-04-01), Fritz et al.

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