[AR] Re: scuba or astronaut gas temperature question

  • From: "John Dom" <johndom@xxxxxxxxx>
  • To: "\(AR\) ocket List" <arocket@xxxxxxxxxxxxx>
  • Date: Sat, 22 Aug 2015 17:49:34 +0200

I am not familiar with ocean fog unfortunately.
The smoke transparency of the surfacing CO2 bubbles type may differ. It is not
looking like steam or a fine water spray but like a white powder_which settles
for a remarkable long time on the stage. Mysterious to me.
Oh yes, R&R bands using this stuff also dates me probably...
jd

-----Original Message-----
From: arocket-bounce@xxxxxxxxxxxxx [mailto:arocket-bounce@xxxxxxxxxxxxx] On
Behalf Of Henry Vanderbilt
Sent: zaterdag 22 augustus 2015 15:08
To: arocket@xxxxxxxxxxxxx
Subject: [AR] Re: scuba or astronaut gas temperature question

On 8/22/2015 3:01 AM, John Dom wrote:

Related: throwing chunks of solid carbon dioxide in water makes it
bubble with sublimated cold CO2 vapor. But why does that gas produce a
**lingering** fog on rock&roll stages?

Been a while since I had anything to do with a rock&roll stage, but I'd
speculate the dry-ice-in-water fog lingers for the same reason ocean fog
does: It's a water-saturated air mass that's been cooled below its dew point,
so small-enough-to-stay-suspended water droplets precipitate.
The droplets can't evaporate again until the air mass they're in has warmed up.
(Even then, the evaporation must take some finite time.)



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