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Thu Aug 5 11:53:26 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Wed Aug 11 14:58:47 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS 
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Wed Aug 11 18:00:19 2021, Koji, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Fri Aug 13 15:14:14 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Fri Aug 13 21:01:42 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Thu Aug 19 14:34:10 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS 
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Fri Aug 20 13:44:58 2021, rana, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Fri Aug 20 14:05:45 2021, Radhika, DailyProgress, Cryo vacuum chamber, Cooldown model fitting for MS
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Message ID: 2644
Entry time: Fri Aug 13 21:01:42 2021
In reply to: 2643
Reply to this: 2647
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Author: |
Radhika |
Type: |
DailyProgress |
Category: |
Cryo vacuum chamber |
Subject: |
Cooldown model fitting for MS |
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Wow, nice fit!
How is this c compared to the 300K exposure from the open aperture for the oplev beam?
We tried to cover all the ports but one. A naive assumption is that we have this opening with this aperture size, but the heat leakage could be more than that.
e.g. the aperture allows angled infrared to come into the chamber and the inner shield reflects the hot radiation inside (and a part of it reaches the test mass). |