Hmmm, I sweat mightily sometimes when the ambient temperature is far below that
of my body. I can work up a good sweat shoveling that white stuff that falls
from the sky around here when the ambient is below 32 F.
Rick
Richard Shipman wrote:
> Hi Ron,
>
> I partially agree with your logic, assuming the skin is perfectly dry, but
> us humans sweat when the ambient air temperature exceeds our normal body
> temperature... the evaporative action of the sweat against the skin causes a
> cooling action. If this were not true, then humans could not survive in
> temperatures above 98.6 degrees. It's the same evaporative action that takes
> place when dogs pant to cool down...
>
> Richard
>
> >Huh? Yes, Bob, heat transfers from hot to cold, no
> >delta t, no heat transfer (unless it is latent). 110
> >air hitting 98.6 skin warms it up. You remember
> >Massflow*Cp*delta T?
> >=====
> >Ron Soave
> >
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