Modeling of MHD hybrid nanofluid flow through permeable enclosure

Ahmad Shafee, Majid Allahyari, M. Ramzan, Aurang Zaib and Houman Babazadeh
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Ahmad Shafee: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
Majid Allahyari: #x2020;Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida 32611, USA
M. Ramzan: #x2021;Department of Computer Science, Bahria University, Islamabad Campus, Islamabad 44000, Pakistan§Department of Mechanical Engineering, Sejong University, Seoul 143-747, Republic of Korea
Aurang Zaib: #xB6;Department of Mathematical Sciences, Federal Urdu University, Gulshan-e-Iqbal Karachi, Pakistan
Houman Babazadeh: #x2225;Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam**Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Vietnam

International Journal of Modern Physics C (IJMPC), 2020, vol. 31, issue 08, 1-15

Abstract: Imposing the magnetic field and dispersion of nanopowders have been discussed in this paper to provide the opportunity for control the fluid movement. The second law components were analyzed and Bejan number was calculated. Outcomes illustrated that augmenting permeability allows improving the nanopowder movement and thinner boundary layer provides denser isotherm which results in greater Nu and lower Be. Growth of Ra characteristics leads to stronger buoyancy forces which boost the convection transportation and stronger circulation results in greater Nu. In addition, the share of Sgen,th reduces with reduction of boundary layer thickness, so, Be has reverse relation with both permeability and Ra. An increment of Ha results in thicker boundary layer and isotherms become parallel and the convection weakens. So, Nu declines with growth of Ha and an opposite trend was calculated for Be. Reduction impact of Da on Be is negligible when Ra has the lowest value.

Keywords: Darcy number; free convection; hybrid nanopowders; magnetic impact (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0129183120501065

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