Research Areas

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Driver Technology

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Target Physics

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Target Fabrication

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Chamber Materials

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Systems Integration, Diagnostics, and Controls

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Fuel Cycle and Chamber Interface

Fuel Cycle and Chamber Interface

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GOALS
 
  • Achieve seamless, safe, and efficient integration of the fuel cycle with the IFE chamber system
  • Enable sufficient tritium breeding ratios for plant fuel-cycle closure, low plant tritium inventory, and minimal losses
  • Support flexible plant configurations and rapid maintenance cycles

OVERVIEW: The interface between the fuel cycle and the IFE chamber system is critical for the continuous operation of a fusion power plant. This interface manages the introduction of fusion fuel (typically deuterium-tritium), extraction and processing of bred tritium, and the removal of impurities. The design must address high neutron fluxes, pulsed operation, and the need for rapid, reliable tritium handling.

Roadmap for Fuel Cycle and Chamber Interface

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Plant timeline

Known Challenges

Tritium Extraction and Containment
  • Efficiently extracting tritium bred in chamber blankets while minimizing inventory and losses
  • Preventing tritium permeation and leakage in extreme temperature and radiation environments
Interface Engineering
  • Designing robust mechanical and chemical interfaces between the chamber and fuel cycle systems
  • Managing dynamic stresses and cyclic loading from repeated fusion pulses
Integration with Plant Operations
  • Synchronizing tritium extraction, purification, and refueling with the IFE shot cycle
  • Ensuring compatibility with remote maintenance and safety protocols
Material Compatibility
  • Identifying materials and coatings that withstand tritium exposure, high neutron flux, and corrosion
  • Addressing chemical compatibility between chamber coolant, breeder materials, and fuel cycle components
Diagnostics and Monitoring
  • Developing real-time monitoring systems for tritium inventory, leakage detection, and interface integrity
  • Ensuring rapid response to anomalies to maintain safety and operational continuity
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