1. The problem statement, all variables and given/known data A circular floor 9.15 m in diameter has an emissivity of 0.8 and is at a temperature of 29.4C. The floor is enclosed by a hemispherical metal dome which has an emissivity of 0.1. If the net rate of heat transfer between the floor and the dome is 660 W, calculate the temperature of the inner surface of the dome. How do you work out the view factor between the two surfaces?