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Ferrofluids: properties and applications [PDF]
Magnetic fluids may be classified as ferrofluids (FF), which are colloidal suspensions of very fine (» 10 nm) magnetic particles, and magnetorheological fluids, which are suspensions of larger, usually non-stable, magnetic particles. We review the general classification and the main properties of FF, some theoretical models and a few applications.
Scherer, C., Figueiredo Neto, A. M.
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Thermomagnetic convective cooling of a heated micro-wire in quiescent ferrofluid is experimentally investigated under various non-uniform external magnetic fields produced by permanent magnets.
Van Thanh Dau +5 more
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Synthesis and Evaluation on the Performance of Ferrofluid in Wastewater Treatment
Water contamination is created by industrial and agricultural development and is a primary source of water pollution. Iron oxides and magnetite are examples of IONPs with a high surface area and adsorption capacity that can easily bind to numerous ...
Gehad, Ibrahim
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Surface-only ferrofluids [PDF]
We devise a novel surface-only approach for simulating the three dimensional free-surface flow of incompressible, inviscid, and linearly magnetizable ferrofluids. A Lagrangian velocity field is stored on a triangle mesh capturing the fluid's surface. The two key problems associated with the dynamic simulation of the fluid's interesting geometry are the
Libo Huang, Dominik L. Michels
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We present an electromagnetic linear vibration energy harvester with an array of rectangular permanent magnets as a springless proof mass. Instead of supporting the magnet assembly with spring element, ferrofluid has been used as a lubricating material ...
Song Hee Chae +4 more
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Magnetic pore fabrics (MPFs) are a promising approach to explore the 3D pore space of rocks. There exist empirical relationships between the orientation, degree, and shape of MPF with pore space geometry and permeability anisotropy.
Andrea R. Biedermann +3 more
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CFD simulation of the effect of magnetic field on convective heat transfer and ferrofluid flow inside a pipe [PDF]
Today, one of the best methods to improve heat transfer is using ferrofluid under the effect of a magnetic field. Ferrofluid is a stable suspension containing magnetic nanoparticles and a base fluid that nanoparticles has a higher heat conductivity than ...
Saman Mohammadi +2 more
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Attempting to suppress high frequency self-excited noises of armature assembly, ferrofluid is added to the working clearances of torque motor. The mathematical model of resistance force of ferrofluid applied to armature is derived theoretically from ...
Hasiaoqier Han +3 more
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Magnetization of multicomponent ferrofluids [PDF]
12 pages including 4 ...
Szalai, I., Dietrich, S.
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A ferrofluid layer separates into numerous subscale crests, which is referred to as Rosensweig instability, whose shape and size depend on the field condition and the composition of the ferrofluid. A ferrofluid consisting of nanoscale magnetite particles
Yan-Hom Li, Kuo-Lung Huang
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