Topic
Hartmann number
About: Hartmann number is a research topic. Over the lifetime, 2593 publications have been published within this topic receiving 61342 citations.
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TL;DR: In this paper, the behavior of buoyancy-driven flow in a Fe3O4 water ferrofluid-filled enclosure with two circular cylinders and subject to constant magnetic field and thermal radiation was investigated.
85 citations
TL;DR: In this paper, a two-phase magnetohydrodynamic flow and heat transfer in a horizontal channel is investigated analytically, and the analytical solutions for velocity and temperature distributions are obtained and are computed numerically for different values of parameters.
85 citations
TL;DR: In this article, a 3D numerical simulation and multi-objective optimization of natural convection in a cylindrical annulus mold filled with molten potassium under a magnetic field is carried out.
85 citations
TL;DR: In this article, the effects of partially active magnetic field on natural convection heat transfer in CNT-nanofluid filled and three-dimensional differentially heated closed space were investigated.
Abstract: A computational study has been performed to investigate the effects of partially active magnetic field on natural convection heat transfer in CNT-nanofluid filled and three-dimensional differentially heated closed space. Two cases are considered to see this effect as magnetic field is applied to upper half (Case I) and lower half (Case II) while remaining walls are insulated. The finite volume method is used to solve governing equations and results are obtained for different governing parameters as Hartmann number (0 ≤ Ha ≤ 100), nanoparticle volume fraction (0 ≤ φ ≤ 0.05) and height of the active zone (0 ≤ L B ≤ 1). It is found that location of magnetic field plays an important role even at the same Hartmann number. Thus, it can be a good parameter to control heat and fluid flow inside the closed space.
84 citations
TL;DR: In this paper, a square open cavity filled with two different porous blocks under the influence of uniform horizontal magnetic field is numerically studied, where porous blocks of different thermal properties, permeability and porosity are located on the bottom wall.
84 citations