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ISSN:2164-6376 (print)
ISSN:2164-6414 (online)
Discontinuity, Nonlinearity, and Complexity

Dimitry Volchenkov (editor), Dumitru Baleanu (editor)

Dimitry Volchenkov(editor)

Mathematics & Statistics, Texas Tech University, 1108 Memorial Circle, Lubbock, TX 79409, USA

Email: dr.volchenkov@gmail.com

Dumitru Baleanu (editor)

Cankaya University, Ankara, Turkey; Institute of Space Sciences, Magurele-Bucharest, Romania

Email: dumitru.baleanu@gmail.com

Entropy Generation Analysis of MHD Micropolar Nanofluid Flow through a Micro Channel

Discontinuity, Nonlinearity, and Complexity 11(4) (2022) 569--582 | DOI:10.5890/DNC.2022.12.001

Macha Madhu$^{1}$, N.S. Shashikumar$^{1}$, B.J. Gireesha$^{1}$, Naikoti Kishan$^{2}$

$^{1}$ Department of Mathematics, Kuvempu University, Shankaraghatta-577451, Shimoga, Karnataka, India

$^{2}$ Department of Mathematics, Osmania University, Hyderabad-07, Telangana, India

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Abstract

Present study analyzes the phenomena of entropy generation of magneto micropolar nanofluid through microchannel with constant pressure gradient. The energy efficiency has been analyzed via entropy generation of the system. The dimensionless two-point boundary value problem acquired from governing equations via dimensionless variables. The nonlinear system is tackled by using Runge-Kutta-Fehlberg scheme. An appropriate comparison has been made with previously published results in the literature as a limiting case of the considered problem. The comparison confirmed an excellent agreement. Influences of flow controlling parameters on velocity, microrotation, temperature, entropy generation number and Bejan number profiles are exemplified quantitatively through graphs. From the comprehensive parametric study, it is established that the entropy production can be improved with Joule heating, convective heating and viscous dissipation aspects.

Acknowledgments

One of the authors (Macha Madhu) acknowledges the UGC for financial support under the Dr. D.S. Kothari Postdoctoral Fellowship Scheme (No. F.4-2/2006 (BSR)/MA/16-17/0043). The authors pay their sincere thanks to editor and referees of the journal, for their valuable suggestions to improve this article.

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