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the supporting info if needed is below (question to answer is C(i)

30C and 1 atm has a 0.8 X 0.8 (m)

square plate. One side of the plate is maintained at a temperature of 100C,

while the other side is insulated.

(c) The plate will also lose heat to the surroundings by radiation. i) Calculate the radiation heat transfer and the total heat transfer for the horizontal design with the hot surface facing up. Assume that the plate has an emissivity of E=0.95 and the inner surfaces of the walls of the production line are at room temperature. Data: The properties of air at the film temperature are: thermal conductivity, k= 0.0279 W/m.k); kinematic viscosity= 1.815 x 108 m/s; Pr = 0.709