Bioconvection Reiner-Rivlin Nanofluid Flow between Rotating Circular Plates with Induced Magnetic Effects, Activation Energy and Squeezing Phenomena

Muhammad Bilal Arain, Muhammad Mubashir Bhatti, Ahmad Zeeshan and Faris Saeed Alzahrani
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Muhammad Bilal Arain: Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan
Muhammad Mubashir Bhatti: College of Mathematics and Systems Science, Shandong University of Science & Technology, Qingdao 266590, China
Ahmad Zeeshan: Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan
Faris Saeed Alzahrani: Department of Mathematics, Faculty of Sciences, King Abdul-Aziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia

Mathematics, 2021, vol. 9, issue 17, 1-24

Abstract: This article deals with the unsteady flow in rotating circular plates located at a finite distance filled with Reiner-Rivlin nanofluid. The Reiner-Rivlin nanofluid is electrically conducting and incompressible. Furthermore, the nanofluid also accommodates motile gyrotactic microorganisms under the effect of activation energy and thermal radiation. The mathematical formulation is performed by employing the transformation variables. The finalized formulated equations are solved using a semi-numerical technique entitled Differential Transformation Method (DTM). Padé approximation is also used with DTM to present the solution of nonlinear coupled ordinary differential equations. Padé approximation helps to improve the accuracy and convergence of the obtained results. The impact of several physical parameters is discussed and gives analysis on velocity (axial and tangential), magnetic, temperature, concentration field, and motile gyrotactic microorganism functions. The impact of torque on the lower and upper plates are deliberated and presented through the tabular method. Furthermore, numerical values of Nusselt number, motile density number, and Sherwood number are given through tabular forms. It is worth mentioning here that the DTM-Padé is found to be a stable and accurate method. From a practical point of view, these flows can model cases arising in geophysics, oceanography, and in many industrial applications like turbomachinery.

Keywords: Reiner-Rivlin nanofluid; circular plates; induced magnetic effects; activation energy; bioconvection nanofluid (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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