From: spike66 (spike66@attbi.com)
Date: Fri Jul 12 2002 - 08:30:34 MDT
Harvey Newstrom wrote:
>
> On Thursday, July 11, 2002, at 09:50 pm, spike66 wrote:
>
>> Since it seems to disturb the uninitiated for whatever wacky reason,
>> I would propose that Alcor drop the upsidedown thing. spike
>
>
> (Note to self: Do not let Spike handle final arrangements.)
>
> Spike, there is a clear line where the portions under liquid nitrogen
> is below the boiling point of LN, whereas the portions above it as
> above that temperature. This can produce uneven cooling, resulting in
> stress fractures and massive cracking. This area of damage will
> slowing spread as the LN level lowers. It might even be bad enough to
> disintegrate structures above the LN line as it lowers.
OK. Does anyone have the actual data for temperatures at the
top of the dewar vs the bottom? I am surprised there is more
than about a 5C delta. spike
This archive was generated by hypermail 2.1.5 : Sat Nov 02 2002 - 09:15:22 MST