Lesson: Thermal ConductionPhysics
In this lesson, we will learn how to calculate the rate at which heat moves through a material given its thermal conductivity.
Sample Question Videos
A glass window has an area of 6.00 m2 and a thickness of 0.500 cm. The inner surface of the window is at a temperature of and the outer surface of the window is at a temperature of . Determine the rate of heat loss through the window. Use a value of for the thermal conductivity of glass.
Calculate the rate of heat conduction out of the human body, assuming that the core internal temperature is , the skin temperature is , the thickness of the fatty tissues between the core and the skin averages 1.00 cm, and the surface area is 1.40 m2. The thermal conductivity of human fatty tissues is .
The walls of a house have a surface area of 120 m2. The walls are 13.0 cm thick and their thermal conductivity is . The temperature inside the house is and the temperature outside is . Calculate the rate of heat loss through the walls.