[Sneap] thermomechanical leak

[Krause, Bob]

Shon,

We have refilled our terminal gas bottle for many years. I refill
normally to 280lbs. plus. The pressure gauge on our bottle reads a
maximum of 300lbs. 
The one thing that you don't do is run the leak without input pressure
or
you will ruin the thermomechanical leak. There is just enough gas flow
through
the leak under normal running conditions to cool the internal workings.
The demise 
for most thermomechanical leaks is when the input pressure falls to
zero.

Bob Krause
Kansas State University
James R. Macdonald lab.
 
-----Original Message-----
From: sneap-bounces at tunl.duke.edu [mailto:sneap-bounces at tunl.duke.edu]
On Behalf Of Shon B Gilliam
Sent: Wednesday, November 29, 2006 10:44 AM
To: sneap at tunl.duke.edu
Subject: [Sneap] thermomechanical leak


The SNEAP 2005 Meeting was held at Brookhaven National Laboratory.
Please visit the meeting Homepage at:
https://www.bnl.gov/sneap2005/default.asp

The ATF-SNEAP 2006 web site is now available:
http://www.ansto.gov.au/nugeo/conference/private/ATF_SNEAP.htm

++++++++++++++++++++++++++++++++++++
We use the HVEC style thermomechanical leaks in our AN-2500 accelerator.

Does anyone know the maximum rating for the input gas pressure? I want
to 
know how high I can go with my gas bottle pressure before running into
leak 
control problems. Thanks.

============================
Shon B. Gilliam
Dept. of Physics & Astronomy
UNC-Chapel Hill
============================

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