Physics of Plutonium Recycling: Bwr Mox Benchmark – Specifications and Results (nuclear science ) by Nuclear Energy Agency
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Overview: The commercial recycling of plutonium as PuO2/UO2 mixed oxide (MOX) fuel is established in pressurised water reactors (PWR) in several countries, the main motivation being the consumption of plutonium arising from reprocessing.
Although the same motivating factors apply to boiling water reactors (BWRs), they have lagged behind PWRs for various reasons, and MOX utilisation in BWRs is implemented only in a few reactors at present. One reason for this is that the nuclear design of BWR MOX assemblies (or bundles) is more complex than that of PWR assemblies, due the presence of the water gaps between BWR assemblies, the presence of U/Gd rods for reactivity control, water channels inside assemblies and the complex spatial distribution of steam void. Accordingly, in 1998 the OECD/NEA Working Party on the Physics of Plutonium Fuels and Innovative Systems (WPPR) conducted a physics code benchmark test for a BWR assembly. This volume reports on the benchmark results and conclusions that can be drawn from it.
Genre: Science>Physics
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