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Nuclear Science, Technology, and Engineering for Molten Salt Reactors

Texas A&M University College of Engineering

Research

Chemical Technologies

  • Organization of a workshop with industry and national lab leaders on sensor needs for molten salt reactors.
  • Development and demonstration of chemical and thermal sensors employing optical and electrochemical techniques.
  • Exploration of several manufacturing methods and materials for probe miniaturization for use in-reactor and in-loop (ex-core) configurations.
  • Building and testing of a sensor prototype.

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Cross Section Measurements

  • Measurement of the 35cl(n,p) cross section to correct a deficiency in evaluated nuclear data files in the fast spectrum range.
  • Compilation of measurements and results in the EXFOR (experimental nuclear reactor) database.

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Materials and Corrosion

  • Corrosion studies of un-irradiated and irradiated alloys in molten salts.
  • Corrosion cracking testing of alloys with in-situ proton irradiation; assessment of swelling resistance.
  • Alloys optimization (assessment of corrosion resistance for plasma-nitrided alloys).
  • Molten salt waste stream characterization (fission product immobilization), evaluation of calcination and mineralization product behavior.

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Modeling and Simulation

  • Development of a generalized approach to simulate delayed neutron precursors transport in molten salt reactors (MSR).
  • Modeling of salt expansion and bubble formation effects and assessment of their impact on reactivity-initiated accidents for molten salt reactors.
  • Evaluation of the impact of radiative heat transfer on heat transfer in molten salt reactors.
  • Development and assessment of reduced-order models for molten salt reactor applications.
  • Development of a framework for MSR system analysis and optimization. Evaluation of system designs using the developed framework.

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Thermal-Hydraulics

  • Development of a heat exchanger design optimization tool.
  • Verification and validation of RANS (Reynolds averaged Navier-Stokes) models for molten salt reactor flows.
  • Feasibility study for the use of heat pipes in molten salt reactor applications.

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