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a) Compute the fin effectiveness of a bar fin made of Aluminum (k-215 W/m.K) that is 0.18 mm thick and 25 mm long when
a) Compute the fin effectiveness of a bar fin made of Aluminum (k-215 W/m.K) that is 0.18 mm thick and 25 mm long when hr 30 W/m.K, the base temperature is 4 C. and the air temperature is 20 C. b) compute the fin effectiveness if double the thickness of the fin is used. c) compute the fin effectiveness if double the length of the fin is used, d) which one is better (b) or (c) and why?
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To compute the fin effectiveness we can use the following formula tanhmL mL Where is the fin effectiveness m is the fin parameter defined as m hP kA L ...
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Fundamentals of Heat and Mass Transfer
Authors: Incropera, Dewitt, Bergman, Lavine
6th Edition
978-0470055540, 471457280, 470881453, 470055545, 978-0470881453, 978-0471457282
