a = 2. A flat plate of a polymer (k = 1.1 W/m K) will be cured using microwave radiation. The plate has a thickness d = 5 cm and it is exposed to flowing air at a temperature To on both its top and bottom surfaces (see figure). The microwave radiation will be absorbed by the polymer at a uniform rate per unit volume Er. (b) To cure the polymer, it is necessary to keep its temperature at or above To = 190 C everywhere, but its temperature cannot exceed its melting point, Tm 250 C. Find the microwave power required per unit volume (Er), and the air temperature (T.) that must be used to cure the polymer. = Air, T. h = 55 W/m2K = X 1 Polymer d=5 cm h = 55 W/m2K Air, T