Influence of Lorentz and permeability on migration of nanoparticle

Hu Ge-JiLe, Wissam H. Alawee, Rebwar Nasir Dara, Alibek Issakhov, Mahmoud Mohamed Selim and Mohammed Reza Hajizadeh
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Hu Ge-JiLe: School of Science, Huzhou University, Huzhou 313000, P. R. China
Wissam H. Alawee: #x2020;Control and Systems Engineering Department, University of Technology, Iraq‡Training and Workshops Center, University of Technology, Iraq
Rebwar Nasir Dara: #xA7;Department of Geology, College of Science, Salahaddin University-Erbil, Iraq¶Department of Petroleum Engineering, College of Engineering, Knowledge University, Kurdistan Region, Iraq
Alibek Issakhov: #x2225;Department of Mathematical and Computer Modeling, Al-Farabi Kazakh National University, Almaty, Kazakhstan**Department of Mathematical and Computer Modeling, Kazakh-British Technical University, Almaty, Kazakhstan
Mahmoud Mohamed Selim: #x2020;†Department of Mathematics, Al-Aflaj College of Science and Humanities Studies, Prince Sattam bin Abdulaziz University, Al-Aflaj 710-11912 Saudi Arabia‡‡Department of Mathematics, Suez Faculty of Science Suez University, Egypt
Mohammed Reza Hajizadeh: #xA7;§Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam¶¶The Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang 550000, Vietnam

International Journal of Modern Physics C (IJMPC), 2021, vol. 32, issue 08, 1-13

Abstract: To detect the influence of MHD on migration of hybrid nanopowders, CVFEM has been employed in this paper. Mixture of Fe3O4 and MWCNT was added in water and for calculating properties, experimental formulas were utilized. To increase the convective mode, porous media has been used and tank was experienced in the horizontal magnetic field. In governing equations, there exist two new terms, one for permeable media and the other for MHD effect. Such complex physics needs special numerical approach and CVFEM has been utilized for this goal. Final formulation of PDEs did not have pressure terms and the stream function scalar was introduced. As permeability of zone enhances, nanopowders can transfer faster and the interaction of them with wall enhances, so, Nusselt number augments as well as stream function. Besides, employing higher Ha, the force against the buoyancy force increases and the velocity of operating fluid declines which provides lower convective flow. With rise of Ha, stream function declines about 48% and Nu declines about 31.92% when Da=100. As Da rises, Nu rises about 33.43% when Ha=0. Augment of Rd leads to augmentation of Nu.

Keywords: Permeable zone; hybrid nanopowder; convection; radiation; MHD (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0129183121501047

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