[Esr-users] Fwd: Low He flow to Hall

[Jonathan Creel]

Dave
What was the nature of the problem? Was it in the ESR or Hall C?

J


On 11/29/2017 12:27 PM, David Schleeper wrote:
> The issue has been identified and the system is recovering.  The CHL transferline is being used to aid the process.
>
> ----- Original Message -----
> From: "Mike Fowler" <fowler at jlab.org>
> To: "Paul Brindza" <brindza at jlab.org>
> Cc: "esr-users" <esr-users at jlab.org>
> Sent: Wednesday, November 29, 2017 11:47:26 AM
> Subject: Re: [Esr-users] Fwd: Low He flow to Hall
>
> Hi,
>
> At approximately 09:56 hrs. the SHMS magnets experienced a pressure increase from 1.58 atm, followed by oscillations, peaking at 1.84 atm. Loss of liquid followed. The HMS also experienced pressure fluctuations but not as severe.
>
> Mike
>
>
>
> ----- Original Message -----
> From: "Paul Brindza" <brindza at jlab.org>
> To: "Dave Kashy" <kashy at jlab.org>, "esr-users" <esr-users at jlab.org>
> Sent: Wednesday, November 29, 2017 11:24:58 AM
> Subject: [Esr-users] Fwd: Low He flow to Hall
>
> -------- Forwarded Message --------
> Subject: 	Low He flow to Hall
> Date: 	Wed, 29 Nov 2017 11:21:33 -0500 (EST)
> From: 	Steve Lassiter <lassiter at jlab.org>
> To: 	Mike Fowler <fowler at jlab.org> , Eric Sun <qsun at jlab.org> , Paul Brindza <brindza at jlab.org> , Andrew Kenyon <kenyon at jlab.org>
>
> SHMS magnet lost inventory
> Flow is below 10g/s
> What happened and and when?
>
> I am just now getting the controls screen up and running on controls7, my laptop is still over at helpdesk
> No trend graphs on this display or rotation screen?
>
> Steven
>
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-- 
Jonathan Creel
Cryogenics Engineering and Operations Department Head and Senior Electrical Engineer
Thomas Jefferson National Accelerator Facility
12000 Jefferson Avenue, Newport News, Virginia, 23602
Phone (757)269-5925