Re: Helium [was: t-bird screwing up]
On Thu 03 Nov 2022 at 17:27:17 (+0100), tomas@tuxteam.de wrote:
> Nice stories :) I did theoretical physics, but of course, our
> faculty was chock full of crazy and interesting folks doing stuff
> like you described above. Searching for leaks in the apparatus
> consisted of... pumping it full of helium and sniffing for it
> with a sensor :-)
… whereas we did the opposite: searching for inward leaks through
joint seals, we used the spray test, squirting a tiny jet of He
at suspect points and detecting any He being pumped out. As expected,
we never saw He entering through the stainless steel or its welds.
Cheers,
David.
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