Cooling by Radiation

Section 14.9

Problem 32. Show that an approximation to Eq. 14.41 for small temperature differences is w_tot = S K_rad (TT_s). Deduce the value of K_rad at body temperature. Hint: Factor T^4 — T_s^4 = (TT_s)(…). You should get K_rad = 6.76 W m^−2 K^−1.

Air and Water,
by Mark Denny.

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