While swimming, conduction can play a big role in heat loss from the body. The body of one swimmer has a total surface area of 1.80 m2 and an average thickness of 1.60 mm. The skin's thermal conductivity is 0.370 W/m-K. If the water's temperature is 20.0°C, and the blood reaching the inner surface of the skin is at 37.0°C, what is the rate of energy loss for that person through conduction?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics
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While swimming, conduction can play a big role in heat loss from the body. The body
of one swimmer has a total surface area of 1.80 m2 and an average thickness of 1.60
mm. The skin's thermal conductivity is 0.370 W/m-K. If the water's temperature is
20.0°C, and the blood reaching the inner surface of the skin is at 37.0°C, what is the
rate of energy loss for that person through conduction?
Transcribed Image Text:While swimming, conduction can play a big role in heat loss from the body. The body of one swimmer has a total surface area of 1.80 m2 and an average thickness of 1.60 mm. The skin's thermal conductivity is 0.370 W/m-K. If the water's temperature is 20.0°C, and the blood reaching the inner surface of the skin is at 37.0°C, what is the rate of energy loss for that person through conduction?
Expert Solution
Step 1

Given data:

Thickness thickness (b) = 1.6 mm

Thermal conductivity of the skin (k)=0.37 W/m.K

Water temperature (Tw) =20o C

Skin temperature (Ts) =37o C

Total skin area (A) = 1.8 m2

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