[Beowulf] bring back 2012?
pbisbal at pppl.gov
Fri Aug 19 10:35:18 PDT 2016
On 08/19/2016 11:45 AM, Stu Midgley wrote:
> my questions is maintenance;
> do i need a rubber suit to even touch anything or lest ruin my
> pants everyday?
> No, I never use any protective clothing. My colleagues sometimes do.
> It really depends on what your doing.
> The fluid comes out of your clothes with dry cleaning.
> even with lidded tanks do you find the oil aspirates and gets all over
> No. The fluid has a really low vapour pressure, so it doesn't get
> anywhere unless their is a problem. IF you get air in the system, you
> can get large bubbles, which can splash a little oil... but it usually
> just falls back into the tank... no harm done.
> IF you accidentally drop a 1.5m long 20kg fan door from a shelf 1m
> above a tank, you can get large waves and get some fluid over the
> sides of the tank ;)
That sounds oddly specific.
> It only takes a few minutes to clean up (we use a cheap wet-vacuum and
> then filter the fluid back into the tank).
But that doesn't that still leave a slippery film on the floor?
> You can get small droplets in the air if you use something like a
> gear-pump to transfer fluid into or out of a tank. Don't use gear pumps.
> does the oil reduce hardware failure to such an extent to make these
> questions negligible?
> Not quite, but almost. We have gone through several "move every node
> to another tank" processes... and it wasn't that bad. We also
> upgraded every node with more phi's, which meant taking them out of
> the tanks, stuffing around and putting them back in.
How did you keep the oil from dripping on the floor during this? Did you
put some kind of absorption pads on the floor between the tanks? What
does 'stuffing around' mean? Does that mean wrapping them in 'stuffing'
or is that Australian for something else?
> i hadn't bumped into anyone that could answer those two questions from
> a LARGE installation standpoint. but if you've got >1pf in oil, i'd
> say you have a card in this game.
> To be fair, 1 drop of fluid does appear to cover the entire floor, but
> we use normal absorbent wipes and pads and have them on the way out of
> the room. We also wash the floor every couple of weeks with
> sugar-soap. Its no big deal.
Where I work now is extremely safety conscious. That would not go over
> Dr Stuart Midgley
> sdm900 at sdm900.com <mailto:sdm900 at sdm900.com>
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