(a) Calculate the overall coefficient U for heat transfer through a vertical glass window from a room...

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(a) Calculate the overall coefficient U for heat transfer through a vertical glass window from a room at 70°F to still air at 0°F. Assume that a single pane of glass is 1/in. thick and 4 ft high. 

(b) Calculate U for a thermopane window with a 1/in. airspace between the two panes. For this glass k = 0.4 Btu/h·ft·°F.

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Unit Operations Of Chemical Engineering

ISBN: 9780072848236

7th Edition

Authors: Warren McCabe, Julian Smith, Peter Harriott

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