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Comparison study on GCFR core support grid plate displacement among experimental, analytical, and finite-element models

Conference ·
OSTI ID:7302687
The core support grid plate for the gas-cooled fast breeder reactor (GCFR) is a thick perforated plate into which the fuel assemblies are inserted and locked. The grid plate should be designed to be sufficiently rigid to minimize bending due to all expected service loadings which might splay the fuel assemblies apart, thus causing a reactivity change, albeit negative. In the present analysis, the equivalent solid material concept was used, and the equivalent solid plate was treated using a transversely isotropic elasticity theory. The general solution was derived for a simply supported plate subjected to a uniform load and included the solid outer rim effect.
Research Organization:
General Atomic Co., San Diego, CA (USA)
DOE Contract Number:
EY-76-C-03-0167-023
OSTI ID:
7302687
Report Number(s):
GA-A-14325; CONF-770807-18
Country of Publication:
United States
Language:
English