Developer Archives

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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Recycling Nuclear Waste into a Strategic Asset

Zeno will partner with Argonne National Laboratory (ANL) to demonstrate the capabilities of a pyro-aqueous hybrid strontium separation process to provide technical data for Zeno to explore scale up in support of Zeno’s RPS designs. ANL’s Chemical and Fuel Cycle Technologies (CFCT) division have extensive experience in developing separation technologies for UNF recycling, in addition to medical isotope separation and purification. This project will generate successful flowsheet development to reduce the volume, heat load, and cost for UNF.

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Thermophysical Property Measurements of NaCl-KCl-UCl3

TerraPower will partner with Argonne National Laboratory (ANL) to generate NQA-1 qualifiable and traceable thermophysical property data for Beginning of Life (BOL) and simulated End of Life (EOL) ternary fuel salts. ANL has proven expertise in molten salt thermophysical measurement under NQA-1 standards. These results will directly inform reactor and component design, thermal hydraulic modeling, safety margines, and licensing strategies.

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Development of Novel Deconversion Technology

Oklo will partner with Pacific Northwest National Laboratory (PNNL), which has demonstrated gram-scale reduction of UF6 to UF4 through an intermediary compound that significantly reduces the traditional method’s hazards. PNNL has also shown the viability of co-reducing fluorides to metal. The possibility of eliminating the intermediate UF4 production step will have the potential of increased throughput and process safety that will help accelerate deployment of a commercial fabrication facility.

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Molten Salt Nuclear Graphite Qualification Plan

Natura will partner with Oak Ridge National Laboratory (ORNL) to develop a graphite qualification plan and identify performance characteristics and development plans to design, approve, and perform graphite irradiations with fuel-bearing salts. The plan will look at utilizing the High Flux Isotope Reactor (HFIR) at ORNL which would allow for rapid neutron irradiation of graphite (7-10 dpa per year) in a future irradiation test outside of the voucher scope. The project will also include the development of fuel-bearing, molten salt irradiation capsules to support the future irradiation test.

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Development of Analytical Techniques for Trace Impurities in 2LiF-BeF2, Kairos Power

Kairos will partner with Pacific Northwest National Laboratory (PNNL) to extend measurements of dissolved oxygen and corrosion products in FLiBe to the full range of relevant/significant impurities, as well as incorporating the measurement methods into their quality assurance program/practices. Refinement of analytical methods for species in salt that impact system operation will enable Kairos to continue along the aggressive timeline for near term nuclear demonstration and commercial deployment.

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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.

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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 Assessment of a Novel Heat Exchanger Concept for Open-Air Brayton Cycle, Nano Nuclear Energy

Nano will partner with Idaho National Laboratory (INL) to perform an independent evaluation of the heat exchanger design. This will include the development of a computational model of the heat exchanger to help analyze the design and confirm certain attributes that are critical to the reactor operations.

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