why humid is better!

[rahmrh at cableone.net]

The humidity is not droplets, it is water vapor, and
the reason that it is bad, is that if you have 14.7psi of
stuff (or whatever is normal pressure for your location), if
the pressure of the water vapor is .3 psi, that is .3 psi
that contains *no* oxygen, whereas the other 14.4 psi
contains 21% oxygen.

I have a program I wrote based on this theory and it does
accurate predict how much worse times will be given a
certain level of humidity.

50% humidity at 70 degrees needs to be checked into a table
to determine how much is being displaced, and note that this
is 50% of the 70 degreees air's capacity to hold moisture,
so 50% at 80 degrees is a higher pressure and more water
vapor than 50% at 70 degrees since hotter air can hold more
water.   Dew point can be used without humidity to determine
how much is displaced, as the dew point is the temperature
at which water will condense (dew) out of the air as 100%
humidity has been reached when the temperature gets
down to that level.

				Roger
 



-----Original Message-----
From:	"owner-gmecm at diy-efi.org" <owner-gmecm at diy-efi.org> on behalf of	"Gary Heuston" <gary.heuston at afwa.af.mil>
Sent:	Tue, 21 Aug 2001 08:40:46 -0500
To:	"gmecm at diy-efi.org" <gmecm at diy-efi.org>
Subject:	Re: why humid is better!

can anyone provide any actual data or even proven scientific theory as to why
humidity would be either good or bad for power?  Personally I think the car runs
better when the air is dry but I would like to hear from some of the experts out
there...(i.e Greg could you elaborate on that please? =D  )

Gary
gary.heuston at afwa.af.mil



Greg Hermann wrote:

> At 11:25 PM 8/20/01, KasaRyan at aol.com wrote:
> >Here's my whack on it.  The water vapor in the air is in a finely divided
> >liquid state, not a gas, so when you heat it, it goes thru a phase change
> >into steam.  The resulting increase in volume is larger than if you took the
> >same amount of combustion calories and put it into air, which is already
> >behaving according to gas laws.  More volume=more push on the pistons= go
> >faster!
> >
> Nope!!
>
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