MHD Duct Flow of Nanofluid Influenced by a Dual Heat Source in the Presence of an Electric Field (E0) and a Magnetic Field (B0)

  • Bishnu Ram Das Department of Mathematics, BCM College, Kamrup, Assam, India
  • Hirak Jyoti Dehingia Department of Basic Science and Humanities, DUIET, Dibrugarh University, Dibrugarh, Assam, India https://orcid.org/0000-0002-3119-0842
  • Kaushik Dehingia Department of Mathematics, Sonari College, Charaideo, Assam, India; Research Center of Applied Mathematics, Khazar University, Baku, Azerbaijan https://orcid.org/0000-0002-8042-4166
  • Rupjyoti Borah Department of Mathematics, Tingkhong College, Tingkhong, Dibrugarh, Assam, India https://orcid.org/0000-0001-7765-7877
  • Utpal Saikia Department of Mathematics, Golaghat Polytechnic, Furkating, Golaghat, Assam, India https://orcid.org/0000-0003-0235-6871
DOI: https://doi.org/10.26565/2312-4334-2026-2-33
Keywords: Electrical field, Magnetic field, Nanofluids, Nonlinear, Explicit finite difference technique (EFDT), Rectangular vertical duct, MHD flow, Buoyancy force, Viscous flow

Abstract

The flow of copper (Cu), silver (Ag), titanium oxide (TiO2), copper oxide (CuO) nanoparticles with water as a base fluid in the presence of a high magnetic field in a vertical rectangular duct are examined in this research. The duct's left and right walls are kept at various steady temperatures and concentrations. The temperature, velocity, and nanoparticle concentration fields are all described by the transport equations. The second-order upwind method, an explicit finite-difference method (EFDM), is used to discretize the coupled nonlinear Navier-Stokes equations. To examine the heat transfer efficiency of this nanofluid, we nondimensionalized the governing equations and obtained solutions using an explicit numerical scheme. MATLAB code is used to perform computational steps. We have plotted the velocity, temperature, and concentration fields for different values of the magnetohydrodynamic (MHD) flow parameters, including the thermal Grashof number (Gr), solutal Grashof number (Gc), Hartmann number (Ha), electrical field load parameter (E), Brinkman number (Br), and nanoparticle volume fraction (ϕ).

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Author Biography

Hirak Jyoti Dehingia, Department of Basic Science and Humanities, DUIET, Dibrugarh University, Dibrugarh, Assam, India

Dr. Hirak Jyoti Dehingia is an Assistant Professor of Mathematics at the Department of Basic Science and Engineering in Dibrugarh University, Dibrugarh, Assam, India, 786004.  

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Published
2026-06-10
Cited
How to Cite
Das, B. R., Dehingia, H. J., Dehingia, K., Borah, R., & Saikia, U. (2026). MHD Duct Flow of Nanofluid Influenced by a Dual Heat Source in the Presence of an Electric Field (E0) and a Magnetic Field (B0). East European Journal of Physics, (2), 319-331. https://doi.org/10.26565/2312-4334-2026-2-33
Issue
No. 2 (2026): East European Journal of Physics
Section
Original Papers

Copyright (c) 2026 Bishnu Ram Das, Hirak Jyoti Dehingia, Kaushik Dehingia, Rupjyoti Borah, Utpal Saikia

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