Differences between revisions 283 and 284
Revision 283 as of 2018-02-05 09:20:31
Size: 8225
Comment:
Revision 284 as of 2018-02-05 09:28:43
Size: 8267
Comment:
Deletions are marked like this. Additions are marked like this.
Line 54: Line 54:
2017/2/2(Fri.) 2017/2/5(Mon.)
Line 62: Line 62:
  * Alignment: Izumi
   * ETMY transfer function has a different shape when measured before. It means that ETMY might be touching somewhere.
    * For vertical, under BF was OK.
    * Yaw may be rotating too much.
    * After 1/17, ETMY started showing something strange. Stiffness changed gradually, but Q did not change much.
  * Alignment: Izumi, Okutomi
   * ETMY transfer function has a different shape from what was measured before in the air. It means that ETMY might be touching somewhere.
    * For vertical, below BF transfer function seems to be OK.
    * Yaw might be rotating too much.
  * After 1/17, ETMY started showing something strange. Stiffness changed gradually, but Q did not change much.
Line 72: Line 71:
  * Alignment: *Izumi,
    * We will rotate IP yaw to release somewhere suspected to touch. This work takes 1day at least.
  * Alignment: *Izumi, Okutomi
    * We will rotate IP yaw to release somewhere touching. This work takes 1day at least.
Line 86: Line 85:

  * Week of 1/29
   * 1/31-2/2 Re-checking main beam to ETMY
Line 91: Line 86:
   * 2/5 Cooling start.
   * Finding causes of ETMY trouble.
    * Evacuation might be needed if ETMY is touching somewhere.
    * Cooling also will be delayed for 2weeks or so.
Line 95: Line 91:
  * EYA gate valve leaks. Urgency is minor.
  * ETMY BF may be touching?

KAGRA Commissioning Wiki


Task list


Schedule

2017/1/30 updated KAGRA/Commissioning/Commissioning_schedule_20180130.png


Working people assignment

  • *: responsible person
  • Beam leading to REFP port
    • *Izumi



Meetings


Morning meeting

  • Date and time: Every weekday, 9AM
  • Location: Control room, or eZuce

2017/2/5(Mon.)

  • Remote participants by eZuce: Takahashi, Aso
  • Report of work (*:responsible person)
    • Vibration Isolation,
      • Restarted the BS realtime model.
    • Alignment: Izumi, Okutomi
      • ETMY transfer function has a different shape from what was measured before in the air. It means that ETMY might be touching somewhere.
        • For vertical, below BF transfer function seems to be OK.
        • Yaw might be rotating too much.
          • After 1/17, ETMY started showing something strange. Stiffness changed gradually, but Q did not change much.
  • Work plan (*:responsible person)
    • Alignment: *Izumi, Okutomi
      • We will rotate IP yaw to release somewhere touching. This work takes 1day at least.
      • Detchar for spectrum of suspension is necessary as soon as possible.
    • Vacuum
      • Gate valve will be closed today.
      • Needs 2days for evacuation. If once evacuated, cooling will be late ~2weeks.
    • Type B
      • SR assembly continues.
  • Laser hazard: PSL. At some in this evening, it will be the are over the SR line for double-checking the IMC alignment. Kokeyama is responsible for it.
  • Weekly
    • Week of 2/5
      • Finding causes of ETMY trouble.
        • Evacuation might be needed if ETMY is touching somewhere.
        • Cooling also will be delayed for 2weeks or so.
  • Issues
    • The ETMY mirror showed a strange scattering pattern.

KAGRA/Commissioning/DailyWork
<< <  2024 / 4 >  >>
Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30          


Weekly meeting

  • Date and time: Every Tuesday, 11AM
  • Location: Meeting room at Hokubukaikan, or eZuce, Polycom

No.

Date

Agenda

Schedule

Minute

Files

16

2018/1/30

Agenda

Schedule

Minute

15

2018/1/23

Agenda

Schedule

Minute

14

2018/1/16

Agenda

Schedule

Minute

13

2018/1/9

Agenda

Schedule

Minute

12

2017/12/19

Agenda

Schedule

Minute

11

2017/12/12

Agenda

Schedule

Minute

10

2017/11/28

Agenda

Schedule

Minute

9

2017/11/14

Agenda

Schedule

Minute

8

2017/11/7

Agenda

Schedule

Minute

7

2017/10/31

Agenda

Minute

G1707278-v4

6

2017/10/24

Agenda

Minute

G1707278-v3

5

2017/10/17

Agenda

Minute

G1707278-v2
G1707298
G1707300

4

2017/10/10

Minute

G1707278-v1

3

2017/10/3

Agenda

Minute

Commissioning plan for phase1

2

2017/9/26

Agenda

Minute

Commissioning plan for phase1

1

2017/9/19

Commissioning plan for phase1


Other meetings


Documents

Communication tools


for New members

KAGRA/Commissioning (last edited 2023-09-24 11:11:02 by miyoki)