Explain the family of curves you have obtained

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Reference no: EM131240449

A concrete wall, which has a surface area of 20 m² and is 0.30 m thick, separates conditioned room air from ambient air. The temperature of the inner surface of the wall is maintained at 25°C, and the thermal conductivity of the concrete is

(a) Determine the heat transfer rate through the wall for outer surface temperatures ranging from -15°C to 38°C, which correspond to winter and summer extremes, respectively. Display your results graphically.

(b) On your graph, also plot the heat transfer rate as a function of the outer surface temperature for wall materials having thermal conductivities of 0.75 and Explain the family of curves you have obtained.

Reference no: EM131240449

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