A furnace wall consists of 250 mm firebrick, 125 mm insulating brick, and 250 mm building brick. The inside wall is at a temperature of 600 degree C and the atmospheric temperature is 20 degree C. The heat transfer coefficient for the outside surface is 10 W/m^2 K, and the thermal conductivities of the firebrick, insulating brick, and building brick are 1.4, 0.2, and 0.7 W/m K, respectively. Neglecting radiation, calculate the rate of heat loss per unit wall surface area and the temperature of the outside wall surface of the furnace.

7 1 - A furnace wall consists of 250 mm firebrick, 125 mm insulating brick, and 250 mm building brick. The inside wall is at a temperature of 600 degree C and the atmospheric temperature is 20 degree C. The heat transfer coefficient for the outside surface is 10 W/m^2 K, and the thermal conductivities of the firebrick, insulating brick, and building brick are 1.4, 0.2, and 0.7 W/m K, respectively. Neglecting radiation, calculate the rate of heat loss per unit wall surface area and the temperature of the outside wall surface of the furnace.

This content is for Premium members only.
sign up for premium and access unlimited solutions for a month at just 5$(not renewed automatically)


images - A furnace wall consists of 250 mm firebrick, 125 mm insulating brick, and 250 mm building brick. The inside wall is at a temperature of 600 degree C and the atmospheric temperature is 20 degree C. The heat transfer coefficient for the outside surface is 10 W/m^2 K, and the thermal conductivities of the firebrick, insulating brick, and building brick are 1.4, 0.2, and 0.7 W/m K, respectively. Neglecting radiation, calculate the rate of heat loss per unit wall surface area and the temperature of the outside wall surface of the furnace.

already a member please login