20. Heat and Temperature
Heat Transfer
15:40 minutes
Problem 17g
Textbook Question
Textbook QuestionA carpenter builds an exterior house wall with a layer of wood 3.0 cm thick on the outside and a layer of Styrofoam insulation 2.2 cm thick on the inside wall surface. The wood has k = 0.080 W/m K, and the Styrofoam has k = 0.027 W/m K. The interior surface temperature is 19.0°C, and the exterior surface temperature is -10.0°C. (a) What is the temperature at the plane where the wood meets the Styrofoam?
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