Hesketh_Solutions

Hesketh_Solutions - $OLDT/D;cJ M idterm E xam C onduction...

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------------------- -- $OLDT/D;cJ Midterm Exam Conduction ME 3345 Summer 2011 Hesketh Name: Time Allowed 60 minutes Grade: Question 1 (40 pts): LENGTH = 1m GENERATION q =106w 1m 3 HEAT ! k, =50W/mK h = 100 W/m 2 K Conduction ofheat in a cylinder shown above, sketch the temperature given that the inner part ofthe cylinder has a volumetric heat generation rate of 10 6 W 1m 3 , and the outer portion has zero heat generation. Neglect radiation, assume steady-state, and uniform properties. (1) Calculate the outside surface temperature (indicate the control volume, list any assumptions you make. (2) Sketch the temperature distribution as a function of radius. _.c_",,,_"~., .• , '(3)'Calculate the total amount of heat lossITom the cylinder. (4) EXTRA CREDIT (15pts): calculate the maximum temperature in the cylinder. .. '1 -I- E - Eo"~ := GI> C"' '" "'" ,?' lZ'i, .:::::; 0 i;" J f .:::: 0 J''t eY* )' -J 7'~ 7' C' S. . t>i/r"
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This note was uploaded on 07/21/2011 for the course ME 3345 taught by Professor Staff during the Summer '08 term at Georgia Tech.

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Hesketh_Solutions - $OLDT/D;cJ M idterm E xam C onduction...

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