sPHENIX discussion of the superconducting solenoid

["Yip, Kin" <kinyip AT bnl.gov>]

Thanks.  I hope the cool-down will be smooth ...

Kin

Sent from my Verizon 4G LTE Smartphone

------ Original message------

From: Makdisi, Yousef I

Date: Thu, Feb 25, 2016 11:31 AM

To: Yip, Kin;

Cc: sphenix-magnet-l AT lists.bnl.gov;Van Kuik, Brian;

Subject:Re: [Sphenix-magnet-l] sPHENIX Magnet cooling down

Wonderful and Congratulations!

Yousef
> On Feb 25, 2016, at 10:09 AM, Yip, Kin <kinyip AT bnl.gov> wrote:
>
> Hi,
>
> Thanks Paul for the message.  The cool-down has finally started (for more than an hour already) !
>
> I've just logged to the HMI and taken a snapshot (as attached).   There is right now a ~31K difference in the temperature
> gradient.  The lowest (valid) temperature seems about ~227 K but many still show 296 K.  Due to my ignorance, I
> wonder whether they are just slower in the circulation sequence or the thermometers are faulty :-)
>
> Kin
>
> -----Original Message-----
> From: Orfin, Paul
> Sent: Thursday, February 25, 2016 9:01 AM
> To: Yip, Kin <kinyip AT bnl.gov>
> Subject: SPhenix cooling down
>
> We started this morning.
>
>
> Thank you,
> Paul Orfin
> Cryogenic Systems, Collider-Accelerator Department Brookhaven National Laboratory
> Telephone: (631) 344-2899
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