A single-glazed glass window pane is an arched shape, consisting of a semicircle of radius 0.5 m on top of a rectangle 1.0 m wide by 2.0 m high, with no joints. The glass pane is 5 mm thick. One side of the window is exposed to air at 20°C and the other side is exposed to air at 5°C. Assuming convective heat transfer on both sides of the window, and conduction through it, determine the total thermal resistance of the window pane and hence the rate of heat transfer through it. (Convection: h= 15 W/m²K; Glass: k = 1.1 W/mK)

A single-glazed glass window pane is an arched shape, consisting of a semicircle of radius 0.5 m on top of a rectangle 1.0 m wide by 2.0 m high, with no joints. The glass pane is 5 mm thick. One side of the window is exposed to air at 20°C and the other side is exposed to air at 5°C. Assuming convective heat transfer on both sides of the window, and conduction through it, determine the total thermal resistance of the window pane and hence the rate of heat transfer through it. (Convection: h= 15 W/m²K; Glass: k = 1.1 W/mK)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

(h) A single-glazed glass window pane is an arched shape, consisting of a semicircle of
radius 0.5 m on top of a rectangle 1.0 m wide by 2.0 m high, with no joints. The
glass pane is 5 mm thick. One side of the window is exposed to air at 20°C and the
other side is exposed to air at 5°C. Assuming convective heat transfer on both
sides of the window, and conduction through it, determine the total thermal
resistance of the window pane and hence the rate of heat transfer through it.
(Convection: h = 15 W/m²K; Glass: k = 1.1 W/mK)

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