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Unformatted text preview: . 1 40 . 1 ) s 3600 2 )( s / m 10 (1.6 2 m 3 . 2 98 . 2 C W/m. 0.72 ) s 3600 2 )( s / m 10 (1.6 C) . W/m 20 ( 2 62 62 = = = = = T T T T t x k t h i C 17.4 = = T T 038 . 2 18 2 1 For a 40 cm distance from the outer surface, that is for the inner surface, from Fig. 423 we have 1 87 . 1 ) s 3600 2 )( s / m 10 (1.6 2 m 4 . 2 98 . 2 C W/m. 0.72 ) s 3600 2 )( s / m 10 (1.6 C) . W/m 20 ( 2 62 62 = = = = = T T T T t x k t h i C 18.0 = = T T 2 18 2 1 Discussion This last result shows that the semiinfinite medium assumption is a valid one. 4105...
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 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat

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