[Hallb] Fwd: Torus shield and coil heating

Stepan Stepanyan stepanya at jlab.org
Fri Jul 8 13:41:48 EDT 2016


Hello everyone,

Kind of late notice, but if any one can help with this over weekend, 
please contact Ruben.

Thanks, Stepan


-------- Forwarded Message --------
Subject: 	Torus shield and coil heating
Date: 	Fri, 8 Jul 2016 11:44:48 -0400 (EDT)
From: 	Ruben Fair <rfair at jlab.org>
To: 	Stepan Stepanyan <stepanya at jlab.org>
CC: 	Probir Ghoshal <ghoshal at jlab.org>, Krister Bruhwel 
<bruhwel at jlab.org>, Nicholas Sandoval <sandoval at jlab.org>, Douglas 
Tilles <tilles at jlab.org>, Dave Kashy <kashy at jlab.org>, Denny Insley 
<dinsley at jlab.org>



Stepan,

It is likely that we will want to flow warm N2 gas through the magnet 
thermal shields AND also heat the coils (with only 10A as we have done 
previously).

Do you have any Hall B students or users who might be able to do the 
overnight monitoring for us (at Hall B's expense of course ......;)

If not, we will review our plans for today and the weekend.

Krister, Probir, Nick,

Can I have volunteers to monitor the temperatures during the day - i.e. 
remotely from off-site, with the proviso that if someone needs to come 
in to turn off heaters, he will need to have a second JLab person with him.

Ideally, if we had 4 'volunteers', then two people can man it on 
Saturday and two can man it on Sunday.

I am available.

Can you let me know by 1pm today?

Regards

Ruben
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