IRIS reactor core with thorium fuel

IRIS reactor core with thorium fuel 1 corresp first-author Corresponding author. E-mail address: rawashdeh.80@gmail.com Corresponding author. E-mail address: rawashdeh.80@gmail.com rawashdeh.80@gmail.com 1 1 Department of Engineering physics, Tsinghua University, Beijing 100084, China Department of Engineering physics, Tsinghua University, Beijing 100084, China This work is aimed at running the first IRIS reactor core with mixed thorium dioxide fuel (ThO 2 -UO 2 and ThO 2 -PuO 2 ). Calculations are performed by using Dragon 4.0.4 and Citation codes. The results show the multiplication factor ( K eff ) for central and peripheral assemblies as a function of burnup. To ensure the proliferation resistance, the value of 235 U enrichment is ≤ 20%. The K eff is calculated using Dragon 4.0.4 for a single fuel rod and the model developed to fuel assembly, while the whole core was calculated using Citation code. For a fuel burnup, the use of increased enrichment fuel in the IRIS core leads to high reserve of reactivity, which is compensated with an integral fuel burnable absorber. The self-shielding of boron is in an IRIS reactor fuel. The effect of increased enrichment to the burn-up rates, and burnable poison distribution on the reactor performance, are evaluated. The equipment used in traditional light water reactors is evaluated for designing a small unit IRIS reactor. Long life reactor High burnup Burnable absorber References Carelli M D . Nucl News , 2003 , 46 : 32 - 42 . Nucl News Carelli M D , Petrovic B . Nuc Eng Inter , 2006 , 51 : 12 - 17 . Nuc Eng Inter Carelli M D , Conway L E , Fiorini G L , et al . IAEA , 2001 , IAEA-SR-218/35: 5 . IAEA Sümer Ş , Veysel Ö , Hüseyin Y . Ann Nucl Energy , 2001 , 3 : 203 - 223 . Ann Nucl Energy Boczar P G , Dyck G R , Chan P S W , et al . IEAE-TECDOC-1319, Recent advances in thorium fuel cycles for CANDU reactors, thorium fuel utilization:options and trends . In: Proceedings of three IEAE meetings held in Vienna 2002, 104¨C20 . IEAE-TECDOC-1319, Recent advances in thorium fuel cycles for CANDU reactors, thorium fuel utilization:options and trends Radkowsky A , Segev M , Galperin A . Nucl Sci Eng , 1986 , 94 : 80 - 86 . Nucl Sci Eng Mark J C . Sci Glob Secur , 1993 , 4 : 111 - 128 . Sci Glob Secur Thomas L E , Einziger R E , Buchanan, H C . J Nucl Mater , 1993 , 20 : 310 - 319 . J Nucl Mater Fausto F , Petrovic B . Nuclear Engineering and Design , 2008 , 238 : 3240 - 3252 . Nuclear Engineering and Design Carelli M D . Eng Design , 2004 , 230 : 151 - 167 . Eng Design Fausto F , Petrovic B . Ann Nucl Energy , 2008 , 35 : 1587 - 1597 . Ann Nucl Energy Duderstadt , James J , Hamilton L J . Nuclear reactor analysis , New York : John Wiley & Sons, Inc , 1976 , 170 - 175 . Nuclear reactor analysis Marleau G ., Heber A T , Roy R . A user guid for dragon version 4 , Montreal , polytechnique de Montréal Technical , 2009 , 167 - 195 . A user guid for dragon Fowler T B , Vondy D R , Cunningham G W . Nuclear reactor core analysis code, citation , Tennessee, oak ridge national lab , 1999 , 104 - 140 . Nuclear reactor core analysis code, citation 10.13538/j.1001-8042/nst.22.311-315 Supported by 973 Program (2007CB209807) 2011-03-24 2011-10-20 2021-01-19 2011 Nuclear Science and Techniques 05 22