Consider the enclosure and heat sink of Problem 7.30. The heat sink is rotated 90 so that
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Consider the enclosure and heat sink of Problem 7.30. The heat sink is rotated 90° so that the air is no longer directed between the fins, but normal to one of the (L b + L f ) X W2 surfaces. Estimate the required air velocity if the height of the enclosure is Le = 10 mm. Neglect heat transfer from the enclosure surfaces and assume isothermal fins, no heat transfer in the gaps between the fins and negligible heat transfer from the downstream (Lb + Lf) x w2 surface. Include heat transfer from the (Lb + Lf) x w1 sides and the fin tips.
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Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
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