You're forgetting radiation influx from the surroundings which are at 290-295K, treat it as a blackbody of the same area and subtract from your original number.
Originally Posted by Tobin Dax
And remember that the skin temperature is less than the core so it's only 306K.
With skin temperature at 306K and surroundings at 295K, I get 135W for a naked person of 2 m2 which is upper range of skin area, only a factor two off, easily explained by clothes to further reduce the actual temperature of the radiating surface.
Last edited by HenrikOlsen; 2009-Nov-27 at 04:51 AM.
Reductionist and proud of it.
Being ignorant is not so much a shame, as being unwilling to learn. Benjamin Franklin
Chase after the truth like all hell and you'll free yourself, even though you never touch its coat tails. Clarence Darrow
A person who won't read has no advantage over one who can't read. Mark Twain