Absolutely wonderful

And talking of wonderment, I wonder if its the last word?

----- Original Message -----
From: "Frank Grunthaner" <FrankGRUN@AOL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, June 28, 2002 10:45 PM
Subject: Re: Humid Air - Some Comments

> What a great day for culture on the list! Avogadro's number and Vanagon in
> the same dissertation! There is hope for our society yet. Even the mere
> mention of the mole was gave a tingle in the cranium surprisingly similar
to
> an ounce of Cointreau on ice.
>
> Nonetheless, Stan, Ed and Arlan are all quite correct ... humid air is
less
> dense than dry. Also, the extraction or heat transfer ability of the
flowing
> gas is related primarily to temperature and secondarily to velocity , then
to
> turbulence and finally to macroscopic porosity or surface area per unit
areal
> dimension.
>
> However, this is not the case when the water has not been fully atomized.
> Small water droplets (can range from nanoclusters to sub-mm aerosols)
offer
> the ability to volatilize (get to use the heat of vaporization). This can
> significantly enhance net thermal transport and reduce chamber detonation.
> Taken to the extreme, a thin layer of water (2 to 4 monolayers) on the
> radiator surface at the turbulent air boundary will give superb heat
transfer
> . Of course, one needs to keep the water film thickness below the level
where
> the bulk thermal conductivity of the water would dominate. Such thickness
> control is generally beyond the ability of most practitioners of the
> automotive arts!
>
> BTW a thin film of Cointreau would work wonderfully as well; what a fine
> aroma, but what a waste.
>
> Have a chemically interesting day!
>
> Frank Grunthaner