Dynamics of nonmagnetic inclusions in a microchannel with a magnetic fluid in an inhomogeneous magnetic field | Zendy

Е. А. Соколов | Zendy; Anastasia Vasilyeva | Zendy; D. A. Kalyuzhnaya | Zendy; P. A. Ryapolov | Zendy

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Dynamics of nonmagnetic inclusions in a microchannel with a magnetic fluid in an inhomogeneous magnetic field

Author(s) -

Е. А. Соколов,

Anastasia Vasilyeva,

D. A. Kalyuzhnaya,

P. A. Ryapolov

Publication year - 2022

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/9.0000306

Subject(s) - magnetic field , magnetic pressure , fluid dynamics , microchannel , materials science , mechanics , microfluidics , magnetic nanoparticles , condensed matter physics , physics , magnetization , nanotechnology , quantum mechanics , nanoparticle

The article presents the results of studying the dynamics of non-magnetic bubbles and droplets in a magnetic fluid placed in an inhomogeneous magnetic field. Using a digital high-speed system for video recording, the mechanism of the detachment of a non-magnetic droplet from the major part of the magnetic fluid has been considered in detail. It is experimentally demonstrated that the size of formed non-magnetic inclusions in such a magnetic-fluid system does not depend on the flow rate and hydrostatic pressure. The possibility to control the size of non-magnetic liquid and gas inclusions by changing the parameters of magnetic fluid and magnetic field can be used for microdosers or gas meters in microfluidic systems.

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