A thermopane window has two panes of glass 3 mm thick separated by a space of 1
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A thermopane window has two panes of glass 3 mm thick separated by a space of 1 cm. How much difference would it make in the overall heat transfer coefficient if the space were filled with argon rather than with nitrogen? Assume the internal and external film coefficients are each 10 W/m2 · K and neglect convection in the gas space. The thermal conductivity of argon at 10°C is 1.68 x 10-2 W/m-K and that of glass is 0.7 W/m · K.
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Related Book For 
Unit Operations Of Chemical Engineering
ISBN: 9780072848236
7th Edition
Authors: Warren McCabe, Julian Smith, Peter Harriott
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