Analysis of Weapons-Grade MOX VVER-1000 Benchmarks with HELIOS and KENO
1999
Calculations of computational benchmark problems for the disposition of weapons-grade mixed-oxide fuel in VVER-1000 reactors have been performed with the HELIOS fuel assembly analysis code. The benchmarks cover pin cell, single fuel assembly, and multiassembly structures with several different fuel types, moderator densities, and boron content for operational and off-normal conditions. Fuel depletion is performed to a burnup of 60 MWd/kg. The detailed results have been tabulated for multiplication factors, macroscopic and microscopic cross sections, reaction rates, fuel isotopics, and fission distributions. Additional results are given for a preliminary analysis of a multiassembly variant using the KENO Monte Carlo code with cross sections from HELIOS.
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