A double-glazed window has two panes of glass separated by an air space, Fig. 14-20. (a) Show
Question:
(a) Show that the rate of heat flow through such a window by conduction is given by where k1, k2, and k3 are the thermal conductivities for glass, air, and glass, respectively.
(b) Generalize this expression for any number of materials placed next to one another.
Transcribed Image Text:
A(T, - T.) 1/ki + /k + ly/ks Glass Air -4-4-4-
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a We assume that T T The conduction rates through the three materials mus...View the full answer
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Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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