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Nuclear design of an integrated small modular reactor based on the APR-1400 for RO desalination purposes

Nuclear Science and Techniques 2022年第8期33卷 1-15页

作者： reem rashed alnuaimi Bassam Khuwaileh Muhammad Zubair Donny Hartanto Department of Mechanical and Nuclear Engineering University of SharjahP.O.BOX 27272SharjahUAE Oak Ridge National Laboratory 1 Bethel Valley RoadOak RidgeTN 37830USA

The United Arab Emirates lacks conventional water resources and relies primarily on desalination plants powered by fossil fuels to produce fresh *** desalination is a proven technology,cost-competitive,and sustainable option capable of integrating the existing largescale desalination plants to produce both freshwater and ***,Small Modular Reactors(SMRs)are promising designs with advanced simplified configurations and inherent safety *** this study,an Integrated Desalination SMR that produces thermal energy compatible with the capacity of a fossil fuel-powered desalination plant in the UAE was ***,the APR-1400 reactor core was used to investigate two 150 MWthconceptual SMR core designs,core A and core B,based on two-dimensional parameters,radius,and ***,the CASMO-4 lattice code was used to generate homogenized few-group constants for optimized fuel assembly loading ***,to find the best core configuration,SIMULATE-3 was used to calculate the core key physics parameters such as power distribution,reactivity coefficients,and critical boron *** addition,different reflector materials were investigated to compensate for the expected high leakage of the small-sized SMR *** pan shape core B model(142.6132 cm diameter,100 cm height,and radially reflected by Stainless Steel)was selected as the best core configuration based on its calculated physics *** B met the design and safety criteria and indicated low total neutron leakage of 11.60%and flat power distribution with 1.50 power peaking *** to core A,it has a more negative MTC value of-6.93 pcm/°F with lower *** a 2-batch scheme,the fuel is discharged at 42.25 GWd/MTU burnup after a long cycle length of 1.58 *** core B model offers the highest specific power of 36.56 kW/kgU while utilizing the smallest heavy metal mass compared with the SMART and NuScale models.

关键词： Nuclear desalination Small modular reactor(SMR) APR-1400 CASMO-4 SIMULATE-3 Two-step method Homogenized cross sections Optimization

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