A simple model for the calculation of the sodium-voiding effect on neutron leakages in a fast reactor lattice. II. Numerical results for hexagonal lattices
Journal Article
·
· Nucl. Sci. Eng.; (United States)
OSTI ID:7062953
On the basis of the simple formalism, numerical results for a set of hexagonal fast reactor lattices are presented. This allows the influence of lattice parameters on the diffusion coefficients and the sodium-voiding effect to be pointed out. Comparisons with calculations based on a cylindrical cell model are also given. They lead to the conclusion that the Wigner-Seitz approximation can underestimate the diffusion coefficients in fast lattices with larger gap widths.
- Research Organization:
- Centre d'Etudes Nucleaires de Saclay Department des Etudes Mecaniques et Thermiques
- OSTI ID:
- 7062953
- Journal Information:
- Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 86:1; ISSN NSENA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
ALKALI METALS
BREEDER REACTORS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFUSION
DIMENSIONS
ELEMENTS
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
HEXAGONAL LATTICES
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MATHEMATICAL MODELS
METALS
NEUTRON LEAKAGE
REACTIVITY COEFFICIENTS
REACTOR LATTICES
REACTORS
SODIUM
VOID COEFFICIENT
WIDTH
WIGNER-SEITZ METHOD
210500* -- Power Reactors
Breeding
ALKALI METALS
BREEDER REACTORS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DIFFUSION
DIMENSIONS
ELEMENTS
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
HEXAGONAL LATTICES
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MATHEMATICAL MODELS
METALS
NEUTRON LEAKAGE
REACTIVITY COEFFICIENTS
REACTOR LATTICES
REACTORS
SODIUM
VOID COEFFICIENT
WIDTH
WIGNER-SEITZ METHOD