[Hallb-engineering] [New Logentry] Follow-up Re: Follow-up Re: Torus Burp and 80K warm up + entire system to 80K

kashy at jlab.org kashy at jlab.org
Fri Jan 4 12:35:02 EST 2019

Logentry Text:
The Torus is now being warmed slowly toward 80K using LN2 cooled helium at a flow rate of 1.9g/s. It is presently at 56K and warming at .7K/hr.

The Solenoid is still quite cold and the Buffer Dewar helium level is 43%, we will not flow either for a while. 
The Solenoid is warming at 0.3K per hour at present so we might not have to even flow it with 80K gas if we can get 4K helium back before it gets to 80K. This will reduce the cooldown time.



This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/3641460
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