activities for national fns tbm effort fy08
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Activities for National FNS/TBM Effort (FY08)

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Activities for National FNS/TBM Effort (FY08). Perform R&D: Theory, Modeling, and Laboratory Experiments for Top Level, Fundamental FNST issues needed for all scenarios

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activities for national fns tbm effort fy08
Activities for National FNS/TBM Effort (FY08)
  • Perform R&D: Theory, Modeling, and Laboratory Experiments for Top Level, Fundamental FNST issues needed for all scenarios
    • Principal target areas include LM-MHD, Thermofluid, Tritium, Nuclear, Materials (broaden the participation of other US FNS programs)
  • Fulfill all US obligations and milestones related to TBM for IO and TBWG, e.g. Safety, ITER-Interface, etc
  • Support DOE with technical and programmatic information necessary to develop US position (e.g. high level Ad-Hoc Group negotiations)
  • Carry out design, analysis, and other technical activities that potentially have the highest relevance to developing realizable US and international TBM testing strategies

Options: (Option A will be the primary focus)

    • Continue US ITER TBM reference scenario - DCLL as the prominent US TBM concept, and HCCB with submodule-scale supporting role
      • Define critical DEMO-relevant science and feasibility FNS issues that can be addressed by TBM
      • Improve TBM design and testing plans
      • Foster and implement international TBM collaborations
    • Develop details of effective supporting research role
      • evaluate possible collaborating parties and concepts
      • determine if aspects of US DCLL and HCCB can be tested as part of another parties TBM
    • Develop international TBM common strategy
      • compare concepts proposed for ITER testing by other parties
      • evaluate and select the 2 or 3 with greatest potential, develop better scientific testing plan
  • Evolution and Innovation of FW/Blanket (if extra funding)
continue us iter tbm reference scenario
Continue US ITER TBM reference scenario
  • Skeleton design for half-port DCLL in DT phase
    • Becomes focus of tool development, R&D definition, and analysis effort
    • Design in flexibility for later modifications and possibly multiple submodules
  • Research on Key Issues
    • Disruption analysis
    • Tritium permeator to low partial pressure – impact of PbLi (impurities, diffusivities…), vacuum side
    • PbLi Gap impact on local tritium partial pressure
    • FCI stress, deformation, and dT limits
    • MHD/FCI conditions and design impacts
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