Question

Consider a 1.2 m high and 2 m wide glass window with a thickness of 6 mm, thermal
conductivity 0.78 W/m °C, and emissivity 0.9. The room and the walls that face the window
are maintained at 25°C, and the average temperature of the inner surface of the window is
measured to be 5°C. If the temperature of the outdoors is -5°C, determine (a) the convection
heat transfer coefficient on the inner surface of the window, (b) the rate of total heat transfer
through the window

Answer 1

Answer:

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