A furnace wall 200 mm thick is made of a material having thermal conductivity of 1.45 W/m. K. The inner and outer surface is exposed to average temperatures of 350°C and 40°C respectively. If the gas and air film coefficients are 58 and 11.63 W/m K respectively, find the rate of heat transfer through a wall of 2.5 square meters. Also, find the temperatures on the two sides of the wall.

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a bur…