Economy of BR2 Fuel Cycle with Gadolinium as Burnable Absorber

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Abstract

A preliminary feasibility study has been performed for HEU (UAlx) and LEU (UMo dispersed) fuels with various combinations of burnable poisons . Reactivity perfo r- mance, control rod motion, cycle length and fuel burn up (GWD/MTU) prior to discharge are compared in order to assess the fuel utilization. It has been found that the economy of the fuel cycle is significantly improved by using gadolinium poison in a form of homogeneous mixt ure with the fuel meat. At the same time, the experimental performances for gadolinium are similar as for the standard poisons (boron and samarium) used in the standard BR2 HEU fuel type .

Details

Original languageEnglish
Title of host publicationPHYSOR 2016–Unifying Theory and Experiments in the 21st Century
Pages1-8
Number of pages8
Publication statusPublished - 1 May 2016
Event2016 - PHYSOR: Unifying Theory and Experiments in the 21st Century - Sun Valley Resort, Sun Valley, United States
Duration: 1 May 20165 May 2016

Publication series

NameUnknown

Conference

Conference2016 - PHYSOR
CountryUnited States
CitySun Valley
Period2016-05-012016-05-05

Keywords

  • HEU, LEU, MCNP6, Burnable poison

ID: 6814348