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Follow-on MERIT Testing at ORNL

Follow-on MERIT Testing at ORNL. Van Graves NFMCC Friday Meeting Feb 29, 2008. New Capabilities at ORNL. Considering pursuit of other liquid targets (LBE) or additional Hg-related R&D with MERIT equipment Performing integrated system testing (no-beam) at ORNL would be beneficial

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Follow-on MERIT Testing at ORNL

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  1. Follow-on MERIT Testing at ORNL Van Graves NFMCC Friday Meeting Feb 29, 2008

  2. New Capabilities at ORNL • Considering pursuit of other liquid targets (LBE) or additional Hg-related R&D with MERIT equipment • Performing integrated system testing (no-beam) at ORNL would be beneficial • Discussions with Tim Bigelow, ORNL Fusion Energy Division, indicate some existing experimental power supplies will be moved from Y-12 to ORNL this year • Had considered this option prior to CERN experiment but could not pursue due to schedule constraints • Some of the power supplies will have capability to power MERIT solenoid NFMCC Friday Meeting 29 Feb 2008

  3. 7627 Power Supply Building Bldg 7625 • New facility to be located near SNS Target Test Facility bldg • Construction has started • Schedule completion: Sept 2008 • Several power supplies will be installed Bldg 7627 NFMCC Friday Meeting 29 Feb 2008

  4. Bldg 7625 • Pit capable of housing MERIT experimental equipment • Approximately 40ft x 15ft x 12ft deep • 5000-gal LN2 dewar in place • 20T overhead crane NFMCC Friday Meeting 29 Feb 2008

  5. Equipment Layout 7627 Vertical field power supplies (capability of each) 650V peak 15,000 A pulsed > 5 sec Voltage and/or current can be controlled by SCR gate waveform control NFMCC Friday Meeting 29 Feb 2008

  6. Proposed MERIT Layout NFMCC Friday Meeting 29 Feb 2008

  7. Comments • Major infrastructure should be available in late 2008, but some connection costs will be incurred • Cost estimates are being obtained, should be available in March • Hazard analysis (radiation, Hg, LBE) will have to be performed, but no major obstacles envisioned • Hg system access and operations in activated condition unknown • Try to replace activated components or clean syringe pump such that it can be green-tagged? • Equipment access and modification will be more complicated (costly) than before experiment • Other power supplies will be available (capabilities unknown at this time) that might be useful for other HEP experiments in the future NFMCC Friday Meeting 29 Feb 2008

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