Article View: sci.physics.fusion
Article #1263Re: Status #7 Cell 4A3
From: Stephen Behling
Date: Fri, 08 Jan 1993 21:06
Date: Fri, 08 Jan 1993 21:06
20 lines
1532 bytes
1532 bytes
In article <930106131352.20c082a7@FNALD.FNAL.GOV>, DROEGE@fnald.fnal.gov writes:
> Status #7 Cell 4A3
[...]
> We are presently operating at 800 ma which results in a cell voltage of 4.5
> volts. Present calorimeter balance is at 7.300 watts. Peak to peak changes
> over the last several hundred hours are consistent with the 0.035 mw one sigma
> calibration. But there is an offset from the December calibration with only
> probable cause due to high temperature TED creep. Remember to get the
> temperature range we are operating with the shell servo off and floating. A
> curious observation is that we are more sensitive to the outside air
> temperature than to the room temperature. So while the room temperature is
> relatively constant, the calorimeter "sees" the outside through the dewar, 1
> 1/2" of foam, a (now) floating aluminum radiation shield, 1 1/2" foam, 10' of
> air, and an R19 house wall or R30 roof.
>
Especially in winter, inside air humidity is strongly correlated
with outside air temperature. Perhaps??
-steve behling
Technical Details
Message-ID:
<1993Jan8.150648.365@walter.cray.com>Path:
arc1-ca.pugleaf.net!sparky!uunet!timbuk.cray.com!walter.cray.com!sxbReferences:
<930106131352.20c082a7@FNALD.FNAL.GOV>Show Full Headers
Complete Article Headers
Newsgroups: sci.physics.fusion Path: arc1-ca.pugleaf.net!sparky!uunet!timbuk.cray.com!walter.cray.com!sxb From: sxb@fermi.cray.com (Stephen Behling) Subject: Re: Status #7 Cell 4A3 Message-ID: <1993Jan8.150648.365@walter.cray.com> Originator: sxb@fermi Lines: 21 Sender: sxb@fermi (Stephen Behling) Nntp-Posting-Host: fermi.cray.com Organization: Cray Research, Inc. References: <930106131352.20c082a7@FNALD.FNAL.GOV> Date: 8 Jan 93 15:06:48 CST