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  • Nuclide inventory analysis and fission product monitoring for nuclear . . .
    Fission product analysis offers a powerful means to real-time monitoring of fissile material evolution and sudden alterations in Molten Chloride Fast Reactors, where conventional safeguards techniques are challenged by continuously circulating fuel
  • PAPER - MSR Safeguards Challenges - FINAL v2. 0
    Abstract Oak Ridge National Laboratory (ORNL) has identified a number of previously reported1,2 technical factors impacting the implementation of safeguards for Molten Salt Reactors (MSRs), which include: (1) the homogeneous mixture of fuel, coolant, fission products (FPs), and actinides; (2) continuous variation of isotopic concentrations in the fuel salt, including removal (passive or active
  • Application of machine learning to predict safeguards parameters for . . .
    The importance of implementing effective safeguards measures for the ongoing development of Molten Salt Reactors (MSRs) is well acknowledged A lot about the nature of the spent fuel from these reactors remains to be studied In light of these prevailing research gaps, in this study, we investigate the use of machine learning analysis of NDA signatures from the irradiated salt for the
  • Planning for Material Control and Accounting at Liquid-Fueled Molten . . .
    The purpose of this report is to provide molten salt reactor (MSR) developers and future US Nuclear Regulatory Commission (NRC) license applicants with recommendations for developing an effective and practical material control and accounting (MC A) plan, focused primarily on MSR designs that use circulating liquid fuel
  • Safeguards Material Control And Accountancy Considerations For Molten . . .
    Molten salt reactors are a class of nuclear reactor designs with features and operational characteristics that vary significantly Variations in design features include the physical, chemical, and isotopic composition of fresh and irradiated fuel, neutron energy spectrums, breeding ratios, and the design’s plans for chemical processing
  • Domestic Safeguards Material Control and Accountancy Considerations for . . .
    Because of these broad design variations, the material control and accounting (MC A) approaches for this class of reactors will vary significantly Rather than attempting to categorize MSR designs into MC A-relevant categories, the authors recommend identifying design features that will significantly impact MC A requirements as they relate to domestic safeguards within this class of reactor
  • Molten Salt Reactor Safeguards: The Necessity of Advanced Modeling and . . .
    Oak Ridge National Laboratory (ORNL) have identified a number of previously-reportedi,ii technical factors impacting the implementation of safeguards for Molten Salt Reactors (MSRs), which include: (1) the homogeneous mixture of fuel, coolant, fission products, and actinides; (2) continuous variation of isotopic concentrations in the fuel salt, including removal (passive or active) of fission
  • Domestic Safeguards Material Control and Accountancy Considerations for . . .
    MSR design concepts can be broadly categorized as solid-fueled reactors with molten salt as the coolant, liquid-fueled reactors with fuel dissolved in molten salt coolant and liquid-fueled reactors with fuel dissolved in molten salt that is contained in distinct fuel tubes with a nonfissile coolant
  • Molten Salt Reactor Signatures and Modeling Study
    Molten salt reactor (MSR) technologies, either liquid fueled and cooled or only liquid cooled, pose specific, unique challenges for safeguards of the special nuclear material during the operation, fueling, and maintenance of the reactor
  • NSSPI Student Investigates Nuclear Safeguards Approaches for Molten . . .
    Derman modeled an MSR using the Monte Carlo radiation transport code, MCNP She then analyzed some of the well-studied fission products generated in the fuel salt to determine if any could be used as an indirect signature for nuclear materials, especially plutonium monitoring and its mass estimation





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