Results 31 to 40 of about 12,794 (266)

Rheology of Aqueous Ferrofluids: Transition from a Gel-Like Character to a Liquid Character in High Magnetic Fields

open access: yesChemEngineering, 2023
Rheological measurements under an applied magnetic field were used to investigate the changes to the internal structure and stability of an aqueous ferrofluid. The ferrofluid was prepared by dispersing 1.8 wt.% of maghemite nanoparticles with a size of d
Stanislav Čampelj
doaj   +1 more source

Investigating Thermal Conductivity of Ferrofluids

open access: yes, 2023
Heat transfer is one of the most important aspects of large-scale industries and machines, linking importantly to the efficiency associated with different mechanisms while also emphasizing the importance of sustainable, low-cost methods of heat transfer.
Sumeir Walia*
core   +1 more source

Hierarchical Structure of Magnetic Nanoparticles -Fe3O4- Ferrofluids Revealed by Small Angle X-Ray Scattering

open access: yesIndonesian Journal of Chemistry, 2021
Small-angle X-ray scattering (SAXS) experiments were set up to investigate the form and structure of Fe3O4 magnetic nanoparticles (MNPs) using BL1.3:SAXS at the Synchrotron Light Research Institute (SLRI) of Thailand in the range of scattering vector q ...
Gea Fitria   +5 more
doaj   +1 more source

Nanostructure and Magnetic Field Ordering in Aqueous Fe3O4 Ferrofluids: A Small-Angle Neutron Scattering Study

open access: yesAtom Indonesia, 2019
Despite the importance of reducing production costs, investigating the hierarchical nanostructure and magnetic field ordering of Fe3O4 ferrofluids is also important to improve its application performance.
A. Taufiq   +8 more
doaj   +1 more source

Heat Transfer Study of the Ferrofluid Flow in a Vertical Annular Cylindrical Duct under the Influence of a Transverse Magnetic Field

open access: yesFluids, 2021
We studied the laminar fully developed ferrofluid flow and heat transfer phenomena of an otherwise magnetic fluid into a vertical annular duct of circular cross-section and uniform temperatures on walls which were subjected to a transverse external ...
Panteleimon A. Bakalis   +2 more
doaj   +1 more source

Magnetization of multicomponent ferrofluids [PDF]

open access: yesJournal of Physics: Condensed Matter, 2011
12 pages including 4 ...
Szalai, I., Dietrich, S.
openaire   +4 more sources

Oscillatory convection in viscoelastic ferrofluid layer: Linear and non-linear stability analyses

open access: yesApplied and Computational Mechanics, 2023
The problem of ferroconvection in a viscoelastic fluid layer is studied with the aim to investigate oscillatory motions. In this article, a stability analysis for both linear and nonlinear systems is carried out.
Dhiman J. S., Sood S.
doaj   +1 more source

Numerical analysis of magnetic field effects on the heat transfer enhancement in ferrofluids for a parabolic trough solar collector

open access: yesRenewable Energy, 2019
A parabolic trough is defined as a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror.
A. Khosravi, M. Malekan, M. Assad
semanticscholar   +1 more source

Chain Formation and Phase Separation in Ferrofluids: The Influence on Viscous Properties

open access: yesMaterials, 2020
Ferrofluids have attracted considerable interest from researchers and engineers due to their rich set of unique physical properties that are valuable for many industrial and biomedical applications.
A. Ivanov, A. Zubarev
semanticscholar   +1 more source

Consequences of Sheep Blood Used as Diluting Agent for The Magnetoviscous Effect in Biocompatible Ferrofluids

open access: yesApplied Rheology, 2015
Magnetic nanoparticles suspended in suitable carrier liquids can be adopted for use in biomedicine. For this to be achieved, the biocompatibility of these ferrofluids needs to be ascertained.
Nowak J., Nowak C., Odenbach S.
doaj   +1 more source

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