Unsteady nano-bioconvective channel flow with effect of nth order chemical reaction

Open Physics - Tập 18 Số 1 - Trang 1011-1024 - 2020
Md Faisal Md Basir1, Kohilavani Naganthran2, Ehtsham Azhar3, Zaffar Mehmood3, Swati Mukhopadhyay4, Roslinda Nazar2, Anuar Jamaludin5, Dumitru Băleanu6,7,8, Kottakkaran Sooppy Nisar9, Ilyas Khan10
1Department of Mathematical Sciences, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor Bahru, 81310, Malaysia
2Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi 43600, Selangor, Malaysia
3Department of Information Technology, PMAS ARID Agriculture University, Rawalpindi, Pakistan
4Department of Mathematics, The University of Burdwan, Burdwan-713104, W.B., India
5Department of Mathematics, Universiti Pertahanan Nasional Malaysia, Kuala Lumpur, 57000, Malaysia
6Department of Mathematics, Cankaya University, Ankara, Turkey
7Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
8Institute of Space Sciences, Magurele, 077125, Romania
9Department of Mathematics, College of Arts and Sciences, Prince Sattam bin Abdulaziz University, Wadi Aldawaser 11991, Saudi Arabia
10Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City 72915 Vietnam

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Abstract Nanofluid bioconvective channel flow is an essential aspect of the recent healthcare industry applications, such as biomedical processing systems. Thus, the present work examined the influence of nth order chemical reaction in an unsteady nanofluid bioconvective channel flow in a horizontal microchannel with expanding/contracting walls. The suitable form of the similarity transformation is exercised to transform the governing boundary layer equations into a more straightforward form of system to ease the computation process. The Runge–Kutta method of fifth-order integration technique solved the reduced boundary layer system and generated the numerical results as the governing parameters vary. It is found that the destructive second-order chemical reaction enhances the mass transfer rate at the lower wall but deteriorates the mass transfer rate at the upper wall. The upper channel wall has a better heat transfer rate than the lower wall when the Reynolds number increases.

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Open Physics

Tập 18 Số 1

1011-1024

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