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| Teaching Since: | May 2017 |
| Last Sign in: | 431 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
7.51
Pin fins are to be specified for use in an industrial cool- ing application. The fins will be subjected to a gas in cross flow at V = 10 m/s. The cylindrical fin has a diameter of D = 15 mm, and the cross-sectional area is the same for each configuration shown in the sketch.


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D
L
As, Ts
(a) Determine the maximum possible heat removal rate through the fin.
(b) What fin length would provide a close approxima- tion to the heat rate found in part (a)? Hint: Refer to Example 3.9.
(c) Determine the fin effectiveness, sf.
(d) What is the percentage increase in the heat rate from As due to installation of the fin?
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