What is the emissivity of the wall

Reference no: EM13300984

The concrete wall of a building is 0.136 m thick. The temperature inside the building is 22.3 °C, while the temperature outside is 0.0 °C. Heat is conducted through the wall. The outside of the wall loses the energy only due to radiation. What is the emissivity of the wall?

Reference no: EM13300984

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