A 0 . 7 5 - m x 1 . 5 - m window is constr cted
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Question:
A m x m window is constrcted of mmthick glass. On a cold night, the inside and outside surface temperatures of the glass are deg C and deg C respectively.
a What is the rate of heat loss through the glass?
b The window is replaced by a doublepaned window, in which two panes of glass are separated by an air space. If the spacing of the panes is mm and the glass surface temperatures in contact with the interior air space are deg C and deg C what is the new rate of heat loss from the window? Hint: since the temperatures on the inside glass surfaces are given, you need only analyze conduction acrosstheairgap
Related Book For
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781118947463
6th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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