Numerical simulation of magnetohydrodynamic buoyancy-induced flow in a non-isothermally heated square enclosure |
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| Authors: | Hakan F. Oztop Mesut Oztop Yasin Varol |
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| Affiliation: | 1. Young Researchers and Elite Club, Yasooj Branch, Islamic Azad University, Yasooj, Iran;2. Mechanical Engineering Department, Faculty of Engineering, Lorestan University, Khorramabad, Iran;3. Mechanical Engineering Department, Prince Sultan Endowment for Energy and Environment, Prince Mohammad Bin Fahd University, Al-Khobar 31952, Saudi Arabia;4. RAK Research and Innovation Center, American University of Ras Al Khaimah, P.O. Box 10021, Ras Al Khaimah, United Arab Emirates;5. Laboratory on Convective Heat and Mass Transfer, Tomsk State University, 634050, Tomsk, Russia;1. Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh;2. Manufacturing Engineering Department, Public Authority for Applied Education and Training, Shuwaikh 70654, Kuwait |
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| Abstract: | Numerical simulation of magnetohydrodynamic (MHD) buoyancy-induced heat transfer and fluid flow has been analyzed in a non-isothermally heated square enclosure using finite volume method. The bottom wall of enclosure were heated and cooled with a sinusoidal function and top wall was cooled isothermally. Vertical walls of the enclosure were adiabatic. Effects of Rayleigh number (Ra = 104, 105 and 106), Hartman number (Ha = 0, 50 and 100) and amplitude of sinusoidal function (n = 0.25, 0.5 and 1) on temperature and flow fields were analyzed. It was observed that heat transfer was decreased with increasing Hartmann number and decreasing value of amplitude of sinusoidal function. |
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