A 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 = 0.080W/m·K and the Styrofoam has k = 0.0l0W/m·K. The interior surface temperature is 19.0°C, and the exterior surface temperature is –l0.0°C. (a) What

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A 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 = 0.080W/m·K and the Styrofoam has k = 0.0l0W/m·K. The interior surface temperature is 19.0°C, and the exterior surface temperature is –l0.0°C.
(a) What is the temperature at the plane where the wood meets the Styrofoam?
(b) What is the rate of heat flow per square meter through this wall?
Related Book For answer-question

Physics

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

ISBN: 978-0077339685