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On the Entropy Production of the Constructal Plate Generating Heat
: Received: 17 May 2019 / Approved: 20 May 2019 / Online: 20 May 2019 (12:33:15 CEST)
In this paper, the elemental construct of an I-shaped fin cooling a heat generating volume is studied through the entropy production perspective. Using the constructal design method framework with entropy production minimization as an objective leads to different optimal shape ratio, different from the ones obtained using the excess of temperature. Moreover, the optimal shape ratio evolution is not necessary the same for local entropy production minimization (excess of entropy production) and global entropy production (entropy produced in the whole area). Finally, an analysis on a possible dimensionless number is introduced for the study of constructal plates.
Constructal theory ; Entropy production ; Slenderness hypothesis
Engineering, Mechanical Engineering
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