Q29 A double pan window used for insulating a room thermally

Last updated: 6/12/2023

Q29 A double pan window used for insulating a room thermally from outside consists of two glass sheets each of area 1 m and thickness 0 01 m separated by 0 05 m thick stagnant air space In the steady state the room glass interface and the glass outdoor interface are at constant temperatures of 27 C and 0 C respectively The thermal conductivity of glass is 0 8 Wm K and of air 0 08 Wm K Answer the following questions a Calculate the temperature of the inner glass air interface b Calculate the temperature of the outer glass air interface c Calculate the rate of flow of heat through the window