March 2006

To February 2006

Type ^ to repeat the date.

Date Hour ID Note
Wed 01/Mar/06 11:00 GG After a long RECOVERING, Locked loops 1, 3-8. Pressure in these loops ~ 0.39 b. Weight 23.6 kg.
11:37 IAC RUN. Standard procedure.
12:45 SC Recovery
17:00 GG Dummy staves switched OFF. Heaters damaged . System in STOP. No damages to the cooling lines.
17:30 GG OFF loops 1, 3-8. System in RECOVERING.
Thu 02/Mar/06 9:30 GG Weight 23.54. LOCKED loops 1, 2-10 @ ~0.39 b.
10:28 GG RUN.
10:36 GG Sector 0 ON , 12/12 HS
10:40 GG Weight 18.25 kg, stable.
11:15 GG Heater checked. All the 11 resistance still in specification (~5 Ohm, see paper logbook for details). Serious deformation of the carbon fibre support.
16:16 GG Weight 18.15. Pressure in loop 1 0.74 b. Other still ~0.39 b.
19:23 SC Recovery
Fri 03/Mar/06 09:45 GG Weight 23.36 kg. Pressure in loop 1 0.66 b. Leak in a valve? Other still ~0.39 b.
09:58 GG Temperature tube loop 10: injection and vapours 21C (measured with quickTEMP, infrared thermometer). Loop 2 locked and 10 open. RUN
10:12 GG Weight 18.2kg.
10:30 GG Weight 17.4kg. linear decreasing. Temperature not changed.
10:36 GG Weight 17.3kg. Temperature vapours 20C.
12:19 GG Weight 15.3kg. Temperature vapours 20C. In ALARM for low volume in the condenser. RECOVERING
Tue 07/Mar/06 08:00 GG General power cut.
Thu 09/Mar/06 18:16 GG Starting up the system after the power cut. Chiller restarted, PVSS rebooted, System reset. Loop 4 ON. RECOVERING.
Fri 10/Mar/06 15:00 GG LEAK TEST.
Mon 13/Mar/06 09:52 GG Leak rates all high. Opened all the loops and RECOVERING. Weight 22.9 kg.
Tue 14/Mar/06 16:54 GG LEAK TEST.
17:12 GG The loops are NOT locked during the test, but closed. SW bug?
17:26 GG Leak rates of ~ 1.8 mb/min. Weight 21.9 kg. Loops locked. STAND-BY. Pressure in the loops ~0.37 b
Wed 15/Mar/06 15:08 GG System in RUN during the morning, up to now.
15:09 GGRT Loop 2 closed, loop 10 open. RUN. Screwed the pressure sensor and the vacuum valves of pump 8a.
15:50 GGRT Loop 2 open. RECOVERING.
17:00 GGRT Refilling started during the recovering. Cylinder put at the top of a footboard.
17:54 GGRT STOP. Refilling in progress. Acceleration of the refilling rate.
19:00 GGRT Refilling completed at 32.6 kg.
Fri 24/Mar/06 11:53 GG System in ALARM for a general power cut. Restored the compressor driver. Weight 32.5kg. Closed all loops. System in STOP.
Wed 29/Mar/06 12:00 GG System found OFF for a local power cut. Restored. Weight 32.5 kg. Locked all loops. System in RECOVERING.
15:19 SC System put in Run mode and after open loop2
15:39 SC System put in RECOVERING
16:06 SC System put in Run Mode
18:59 SC System put in RECOVERING
Thu 30/Mar/06 09:31 GG Weight 30.3 kg. ~ 0.5 b in the closed loops. All loops open.
14:54 SC Close all loops, put the system in run mode, then open the loop2
15:40 SC System in Recovering
19:11 SC Allarm: "Tank Leak", aknoledge the allarm. Then system in Recovering
Fri 31/Mar/06 10:20 SC System put in Run Mode and then open loop2
11:49 SC System put in Recovering

Type ^ to repeat the date.

To April 2006


ID Name
GG Gianluca Guaglio
IAC Ivan Amos Cali
SC Simone Ceresa
RT Rosario Turrisi

Logbook

Cooling System

Edit | Attach | Watch | Print version | History: r25 < r24 < r23 < r22 < r21 | Backlinks | Raw View | WYSIWYG | More topic actions
Topic revision: r25 - 2006-05-15 - unknown
 
    • Cern Search Icon Cern Search
    • TWiki Search Icon TWiki Search
    • Google Search Icon Google Search

    AliceSPD All webs login

This site is powered by the TWiki collaboration platform Powered by PerlCopyright & 2008-2023 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
or Ideas, requests, problems regarding TWiki? use Discourse or Send feedback