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Evaluating the performance of forced convection heat transfer enhancement

โœ Scribed by Ichimiya, Koichi ;Morimoto, Shunichi ;Miyazawa, Toshiyoshi

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
207 KB
Volume
27
Category
Article
ISSN
0096-0802

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โœฆ Synopsis

Two methods for assessing thermal performance were evaluated for four kinds of forced convective heat transfer augmentations. On method uses the first law of thermodynamics, i.e., the heat transfer improvement at (1) constant Reynolds number, (2) constant pressure loss, and (3) constant pumping power. The other method uses the second law of thermodynamics, i.e., the entropy generation. The first method restricts the effective region and the second method supplies the condition for achieving the minimum entropy generation rate.

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