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Concept for Spallation Target & Remote-Handling System

Concept for Spallation Target & Remote-Handling System. Retractable Target with its own “In-situ” Shielded Flask Three modes: (a) Production mode  Target in beam (b) UCN Service mode  Target retracted (service cryostat or beamline)

emmanuel-manning
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Concept for Spallation Target & Remote-Handling System

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  1. Concept for Spallation Target & Remote-Handling System Retractable Target with its own “In-situ” Shielded Flask Three modes: (a) Production mode  Target in beam (b) UCN Service mode  Target retracted (service cryostat or beamline) (c) Target-change mode  Target retracted & flask movable 300 K D2O Driveshaft Cooling block W target graphite Flask w/ Pb+steel wall

  2. Spallation Target System (Concept/Layout after consultation with Target & Remote-Handling experts) Flexible shaft/cable (STOW) for shutters (Removable) Driveshaft for Target motion (w/ self-locating clutch) 300 K D2O Moderator near this region Rack & Pinion system Mount Target Beam Lead Cask/Pig Valve Rail & Bearings Water lines ( *Note: Wall thickness of Target Flask/Pig not yet optimized )

  3. 20 K D2O cryostat 300 K D2O tank Target in primary “Operation” position Tungsten Spallation target 40 mA proton beam: - ON for 60 sec - OFF for 180 sec Target Beam Lead Cask/Pig Valve Common Vacuum between Beamline & Target

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