Critical experiments with lattices of 4. 75-wt %-/sup 235/U-enriched UO/sub 2/ rods in water

Journal Article · Wed Aug 01 04:00:00 EDT 1979 · Nucl. Sci. Eng.; (United States)

DOI:https://doi.org/10.13182/NSE79-4· OSTI ID:5883851

Manaranche, J C ^[1]; Mangin, D; Maubert, L; Colomb, G; Poullot, G

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1. Centre d'Etudes de Valduc, Is-sur-Tille, France

The development of pressurized water reactors and boiling water reactors in the world necessitates complete critical experiments on this type of fuel for the validation of the methods used in criticality calculations and to resolve the various related problems. This paper presents the first results obtained at the Critical Mass Laboratory at Valduc during critical approaches achieved with lattices of 4.75-wt %-/sup 235/U-enriched UO/sub 2/ rods in water. Four square pitches (12.6, 16.0, 21.0, and 25.2 mm) and three triangular pitches (13.5, 17.2, and 22.6 mm) have been studied, and various configurations with fuel rods removed were investigated. Benchmark calculations are presented.

• OSTI ID: 5883851
• Journal Information: Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 71:2; ISSN NSENA
• Country of Publication: United States
• Language: English

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