1. Slide 1UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE UCSB 4-Hybrid Thermal Test System Status 21 July 2003 Sam Burke UCSB HEP Group

2. Slide 2UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Progress Flow Control Panel complete All pitch adapter antennas installed Cold Box Assembly 98% Complete à Clamps and sealing yet to be done

3. Slide 3UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Cold Box System

4. Slide 4UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Progress LabView code changes to slow control program à Water flow calibration factors Cooling Rate study à Dry air flow a big factor (note gui) à Chiller water temperature a factor New temperature sensor installed on cooling plate

5. Slide 5UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Cold Box System Test Runs

6. Slide 6UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Cooling Rates TEST 2: T=50 min à 3.0 L/m air, 1.0L/m @17 min, 14g/hr 11deg C Water TEST3: T=32 min à 0.2 L/m air, 16g/hr 11 deg C Water\ CERN Rate: T=20 min Cooling plate x2 more mass than CERN plate

7. Slide 7UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Future Plans Verify Air Flow sensor calibrations à FR1001 Air 40 mL/min*volt +-3% 0-5v à FR1005 Air 0.40 L/min*volt +-3% Start writeup of Hybrid Test Procedures

8. Slide 8UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Future Plans Calibrate UCSB Hybrid Cold Box after sealing à CERN Box is (18+20)/25min on cooling à CERN Box is (20+18)/3min on heating Test 4 Hybrid ARC Stand System move into clean room