Question

Question 2 10 points (CLO 2) An aluminum pan with thermal conductivity is 223 W/Chas a flat and circuar shape boom with diameter of 23 cm and thickness 0.68 cm. Het is transferred teadly to bring the anthrough bomo if the inner surface of the bottom of the panis 105 and the outer surfaces 105.8 Germine the rate of het energy in W.

Answer 1

We used the Fourier's law of heat conduction to find out the rate of heat energy.

с Solution: Giveo data Thermal Conductivity of aluminium pan = 223. Diameter of the circular Section of pan Thickness of the = 0.68 cm pan 0.68x102 inner surface of Tempexature of the bottom pan is 105°c = 378 K Temperalure of the outer Surface of the bottom pan 105.6°C = 378 6 k. 23 am 20.23m from fourier's Law of beat conductions Batz of beat energy Q = KAC-12 t Id² m² wbere k = thermal conductivity_of_the_pan = 223 W/m°c A = Aree of cross-section of the pan= I X(0-23) =0:0415 Toe Outer Surface temperature of pon = 105.6°C I; _Inner Surface temperature of pan. 105°c t = thickness of the pan. = 0.68 X 10 x 10-2 ei Q = 223_* 0.0415 * 0.6 0-68 X10-2 8.16.5235 watts. (Answoo) So the rate_of_beat energy-Q = 816-5735 lal