Modeling & Simulation

Modeling & Simulation work researched under a GAIN NE Voucher

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Modeling of Realistic Spatially Resolved 3D TRISO Particles in Compact

Idaho National Laboratory (INL) has developed state-of-the-art modeling and simulation tools for advanced TRISO particle-based fuels using BISON code. AT will partner with INL to extend the BISON fuel-performance code so it can practically model 3D TRISO particle distributions in UCO TRISO compacts, capturing particle–particle and particle–matrix interactions needed for supporting commercial operations of BWXT’s TRISO fuel for the nuclear industry.

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AI-Guided Fuel Management for a 12-Unit Small Modular Nuclear Plant

NuScale will partner with Oak Ridge National Laboratory (ORNL) to utilize the artificial intelligence (AI) enabled nuclear design framework for the 12-reactor design challenge by strategically exploring the vast design space and reducing the computational time required for the reactor simulations. ORNL has significant expertise in AI, fuel management, and computational resources. Reduced front end and back-end fuel costs can make nuclear energy more competitive in the marketplace.

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Heat Exchanger Evaluation, NuCube Energy

NuCube will partner with Idaho National Laboratory (INL) to receive assistance in computational analysis of the heat exchanger design. INL has developed a code to optimize high temperature heat exchangers for both installation and operating costs and has validated that code for conventional shell and tube heat exchangers. This analysis will allow NuCube to assess the performance of the heat exchanger and support an optimized design prior to finalization of the detailed design and fabrication to support a demonstration project.

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Independent Verification and Benchmark of Deep Fission’s Deep Borehole Microreactor Thermal Hydraulic System Behavior, Deep Fission

Deep Fission will partner with Idaho National Laboratory (INL) to enhance its thermal hydraulics infrastructure using RELAP5-3D modeling. INL has unique expertise in developing thermomechanical and thermos-hydro-mechanical models in deep geological repositories for used nuclear fuel and geothermal applications involving deep hole drilling and heat extraction.

Independent Verification and Benchmark of Deep Fission’s Deep Borehole Microreactor Thermal Hydraulic System Behavior, Deep Fission Read More »

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Future Climate Projections for Dry and Wet Condenser Cooling Options, Energy Northwest

This project will evaluate potential climate impacts in the northwestern United States from climate models and use those results to model plant performance using various cooling options. The results will be used to determine the range of plant performance and cost distributions to help understand the factors that need to influence the selection of a ultimate heat sink for a nuclear reactor in the region.

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Improvements to Passive Heat Removal Systems in SAS4A/SASSYS-1, ARC Clean Technology

For this project, ARC will work with Argonne National Laboratory (ANL) to enhance the SAS modeling capabilities for passive heat removal systems, including the generic RVACS model and the DRACS heat exchanger models. These enhancements will enable ARC to recover safety margins and have a better representation of the system’s response during long-term cooling events.

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