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Entropy Generation Minimization Theoretical Analysis for External Flow Around Horizontal Cylinder at low Reynold Number | ||
| Engineering and Technology Journal | ||
| Article 13, Volume 36, 2A, 2018, Pages 202-206 PDF (1.06 M) | ||
| DOI: 10.30684/etj.36.2A.12 | ||
| Author | ||
| Louay A. Mahdi* | ||
| Mechanical Eng. Dept., University of Technology Baghdad, Iraq. | ||
| Abstract | ||
| The minimization of entropy generation is a helpful method to design optimum thermal system, and find an expression for entropy generation at several ranges of Reynolds number for heat transfer and friction flow irreversibility is a good way to achieve this goal. This study deal with several ranges of Reynolds number that cover 0.1< Re< 40000 divided into four groups. A relation between optimum Reynolds number, entropy generation number, irreversibility distribution ratio, and Began number was obtained. In addition, a relation between the optimum Reynolds number and the duty parameter was obtained for all Reynolds number ranges. | ||
| Keywords | ||
| Entropy generation minimization; external flow; horizontal cylinder | ||
|
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