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UCSB 4-Hybrid Thermal Test System Status

UCSB 4-Hybrid Thermal Test System Status. 28 July 2003 Sam Burke UCSB HEP Group. Progress. Dry Air Bubbler arrived Ordered replacement low air flow sensor Work on 4Hybrid Test Procedure Test Time estimated at 57 minutes. Cold Box System. Progress. Cooling Rate Study

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UCSB 4-Hybrid Thermal Test System Status

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  1. UCSB 4-Hybrid Thermal Test System Status 28 July 2003 Sam Burke UCSB HEP Group CMS 4-Hybrid Test System Sam Burke EE

  2. Progress • Dry Air Bubbler arrived • Ordered replacement low air flow sensor • Work on 4Hybrid Test Procedure • Test Time estimated at 57 minutes CMS 4-Hybrid Test System Sam Burke EE

  3. Cold Box System CMS 4-Hybrid Test System Sam Burke EE

  4. Progress • Cooling Rate Study • Chiller water temperature • Room Temp / Dew Point / 5 deg C • Communications with Bruno @ CERN • LVDS-TTL Converter • Safety Switch feature in acdc.vi CMS 4-Hybrid Test System Sam Burke EE

  5. Test Procedure 1. Install 4 hybrids 3 min 2. Close cover and purge 4 min ARC Test 3. Seal box when RH<20% 5 min 4. Reduce air flow to 0.2 L/m 1 min 5. Start Cold Cycle 32 min 6. Stable Temperature 5 min ARC Test 7. Start Heat Cycle 4 min 8. Stable Temperature & RH 3 min ARC Test TOTAL 57 min CMS 4-Hybrid Test System Sam Burke EE

  6. Cold Box System Test Runs test 2 test 3 CMS 4-Hybrid Test System Sam Burke EE

  7. Cooling Rates • TEST 2: T=50 min • 3.0 L/m air, 1.0L/m @17 min, 14g/hr 11deg C Water • TEST3: T=32 min • 0.2 L/m air, 16g/hr 11 deg C Water\ • CERN Rate: T=20 min CMS 4-Hybrid Test System Sam Burke EE

  8. Future Plans • Seal up air leaks in Cold Box • Continue write-up of Test Procedures • Verify Air Flow sensor calibration • New FR1005 Air 0.40 L/min*volt +-3% CMS 4-Hybrid Test System Sam Burke EE

  9. Future Plans • Calibrate UCSB Hybrid Cold Box after sealing • CERN Box is (18+20)/25min on cooling • CERN Box is (20+18)/3min on heating • Test 4 Hybrid ARC Stand • System move into clean room CMS 4-Hybrid Test System Sam Burke EE

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