HPT & M/D I WG DISCUSSION SLIDES PASI 2012 Hurh et al.

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Presentation transcript:

HPT & M/D I WG DISCUSSION SLIDES PASI 2012 Hurh et al

Matrix Results (Preliminary)  Weighted Averages (least to greatest)  2.83 High Magnetic Field (SC radiation protection)  3.33 Liquid Metals (Pumping, Heat exchanger, etc.)  4.50 Thermal “shock” (solid)  4.67 Thermal “shock” (liquid)  5.17 Novel Target/Window Design  5.83 Monitoring & Instrumentation  6.67 Radiation Protection and Facility Design  7.17 High Heat Flux Cooling  7.67 Radiation Damage

Matrix Results – Niche Impact  High Scores for Selected Facilities  6.67 Liquid Metals Spallation (3) ADS Demo (7) NuFact/Muon Collider (10)  8.50 High Magnetic Field (SC Rad protection) Muon (LE stopping) (7) NuFact/Muon Collider (10)

Matrix Results – Niche Impact (con’t)  High Scores for Selected Facilities  9.00 Thermal “shock” (solid) Neutrino (super-beam) (8) Spallation (9) NuFact/Muon Collider (10)  9.33 Thermal “shock” (liquid, incl. cooling medium) Neutrino (super-beam) (8) Spallation (10) NuFact/Muon Collider (10)

Cross-cutting R&D Activities Identified  Radiation Damage  Correlation of radiation damage effects of LE neutron to HE proton irradiation Gas Production Dose Rate Requires dedicated Material Scientists Will require validation testing  In-beam (>100 MeV proton?) irradiation testing Program to support LE to HE damage correlation Materials picked from potential target materials Low-Zed (graphite, Be) Med-Zed (Al, Albemet, Ti alloys) High-Zed (Tungsten, Inconel, SS) Study Annealing Effect for various materials Facility?? Funding?? PIE??

Cross-cutting R&D Activities Identified (con’t)  High Heat Flux Cooling  Studies/Tests of Cooling methods applicable to targets Radiation (emissivity enhancement?) Gas Convection Spray Cooling/Boiling/Heat Pipe Micro-channel  Energy Deposition Dilution Beam sweeping/rastering Target spinning

Cross-cutting R&D Activities Identified (con’t)  Radiation Protection and Facility Design  Participate in conceptual design and review of potential facility design Operational experience informing design Cradle to Grave mentality Largest impact on “up-time” after fundamental design  Verification/Benchmarking of Simulation Codes Residual Radiation Complex “gap” geometries Tritium migration  Remote Handling Tools and Methods “Shark Cage” Cold Cell Volume Reduction Tools  Novel/Exotic Shielding Materials

Cross-cutting R&D Activities Identified (con’t)  Novel Target/Window Design  Development of alternative technologies Pebble Bed Powder (confined and jet) Waterfall Plasma? Any others?

“Niche” R&D Activities Identified  Thermal “Shock”, Liquid  Cavitation/Erosion Mitigation Bubbles Gas Wall Coatings/Treatments Magnetic Suppression? Tensile Strength Enhancement?????  Benefits: Neutrino (super-beam) (8) Spallation (10) NuFact/Muon Collider (10)

“Niche” R&D Activities Identified  Thermal “Shock”, Solid  “Single-pulse” Testing Simulation validation (elastic-plastic) Failure Criteria validation Wide parameter space Materials Temperature Load rate Irradiated state  Target Shaping/Damping Directing stress wave into compliant, damping material  Benefits: Neutrino (super-beam) (8) Spallation (10) NuFact/Muon Collider (10)

“Niche” R&D Activities Identified  High Magnetic Field (SC Rad Protection)  Irradiation Testing of SC wire/tape and insulation Limits Annealing Parameters  Novel Shielding Materials??  Benefits: Muon (LE stopping) (7) NuFact/Muon Collider (10)

“Niche” R&D Activities Identified  Liquid Metals  Pumping, Filtering, and Handling Erosion Limits Material Compatibility (LME, etc) Contamination Control Freeze-plug mitigation  Containment/Clean-up Technologies and methods Reactions and Radiochemistry (Polonium?)

“Deliverables”  Next 12 months:  Explore…  Start…  Initiate…  Contact…  Plan…  Next 5 years:  Conduct…  Perform…  Participate…  Determine…  Design…  Build…  Test…