A mountain climber wears a goose-down jacket 3.5 cm
Chapter 19, Problem 19.72(choose chapter or problem)
A mountain climber wears a goose-down jacket 3.5 cm thickwith total surface area 0.95 m2. The temperature at the surfaceof the clothing is 18C and at the skin is 34C. Determinethe rate of heat flow by conduction through the jacket(a) assuming it is dry and the thermal conductivity k is thatof goose down, and (b) assuming the jacket is wet, so k is thatof water and the jacket has matted to 0.50 cm thickness.
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