ID |
Date |
Author |
Type |
Category |
Subject |
Text |
|
2
|
02 Nov 2019 11:44 |
Alex Kish | Procedure/Operation | Cooling System | Forcing recirculation | Argon refills of the open bath are suspended
in order to increase the deltaP between the
TPC and the recirculation vessel, in order |
|
3
|
05 Nov 2019 10:56 |
Yi Wang | Procedure/Operation | Cooling System | fast re-circulation | Nov 04 in the morning, start using
heat gun to blow the liquid argon in the
open dewar, in order to rise the pressure |
|
4
|
06 Nov 2019 00:33 |
Yi Wang | Procedure/Operation | Cooling System | fast re-circulation | Start at 09:35 am, open dewar liquid level
40/120
Stop at 08:20 pm, for the evening |
|
5
|
07 Nov 2019 05:19 |
Yi Wang | Procedure/Operation | Cooling System | fast recirculation | 08:40, switch on heat gun, open dewar liquid
level 50/120 (cm)
16:30, open dewar is refilled to 70/120 |
|
6
|
08 Nov 2019 00:28 |
Yi Wang | Procedure/Operation | Cooling System | Morning system monitoring | 09:29 Heat Gun ON
09:30 TPC 259 mbar Recirculation
257 mbar |
|
7
|
08 Nov 2019 05:39 |
Edgar Sanchez | Procedure/Operation | Cooling System | Afternoon system monitoring | 14:00 TPC 330 mbar Recirculation 290 mbar.
Liquid argon level in bath 65 cm
15:00 TPC 335 mbar Recirculation |
|
8
|
09 Nov 2019 01:37 |
Xiang Xiao | Procedure/Operation | Cooling System | Morning system monitoring | 10:20 Heater gun on
10:20 TPC 230 mbar Recirculation
241 mbar |
|
9
|
09 Nov 2019 06:35 |
Sam Hill | Procedure/Operation | Cooling System | Afternoon system monitoring | 15:36 TPC 320 mbar Recirculation 320 mbar
16:01 TPC 313 mbar Recirculation
313 mbar |
|
10
|
10 Nov 2019 00:25 |
Yi Wang | Procedure/Operation | Cooling System | Morning system monitoring | 09:25 Heat gun ON
09:40 TPC pressure 241 mbar, recirculation
pressure 231 mbar |
|
11
|
10 Nov 2019 05:34 |
Edgar Sanchez | Procedure/Operation | Cooling System | Afternoon system monitoring | 14:34 TPC pressure 300 mbar , recirculation
pressure 287 mbar
15:00 Heaters off for S1 data taking |
|
12
|
11 Nov 2019 00:39 |
Yi Wang | Procedure/Operation | Cooling System | Morning system monitoring | 09:39 heat gun on
12:37 TPC pressure 350 mbar, recirculation
pressure 338 mbar |
|
13
|
11 Nov 2019 04:08 |
Yi Wang | Problem | Cooling System | Possible power blackout on Nov 9 | There was a possible power blackout on
Nov 9 from 2 am to 4 am at builidng 182.
During the blackout, the vacuum |
|
14
|
11 Nov 2019 10:15 |
Sam Hill | Procedure/Operation | Cooling System | Afternoon system monitoring | Checked pressure regularly, steadily
climbed from 15:00-19:00
19:00: TPC: |
|
15
|
12 Nov 2019 00:48 |
Yi Wang | Procedure/Operation | Cooling System | morning system monitoring | 09:47 Heat gun ON, TPC pressure 261 mbar,
recirculation pressure 252 mbar
11:00 Building 182 liquid argon |
|
17
|
13 Nov 2019 00:26 |
Yi Wang | Procedure/Operation | Cooling System | Morning system monitoring | 09:30 Heat Gun ON
09:40 TPC pressure 293 mbar, recirculation
pressure 277 mbar |
|
18
|
13 Nov 2019 05:32 |
Xiang Xiao | Procedure/Operation | Cooling System | Afternoon system monitoring | 14:31 TPC pressure 317 mbar,
recirculation pressure 276 mbar
15:00 TPC pressure 328 mbar, |
|
20
|
15 Nov 2019 00:14 |
Yi Wang | Procedure/Operation | Cooling System | | Nov 14, 2019
5:00 pm
Stop fast recirculation, fill open |
|
21
|
15 Nov 2019 23:54 |
Yi Wang | Procedure/Operation | Cooling System | open dewar refill | 08:50 am open dewar refill to full |
|
22
|
16 Nov 2019 00:12 |
Yi Wang | Procedure/Operation | Cooling System | Gas pocket formation | 09:12 am MB OFF, LED ON, start forming
gas pocket
10:46 am Gas pocket 7mm thick, |
|
23
|
17 Nov 2019 00:45 |
Yi Wang | Procedure/Operation | Cooling System | open dewar refill | 09:45 am open dewar refill to full, TPC
pressure 31 mbar |
|