LrgpV1, Main, Exploration, bibRecord, 000182

Active control of ferrofluid droplet breakup dynamics in a microfluidic T-junction

Identifieur interne : 000182 ( Main/Exploration ); précédent : 000181; suivant : 000183

Active control of ferrofluid droplet breakup dynamics in a microfluidic T-junction

Auteurs : Yining Wu [République populaire de Chine] ; Taotao Fu [République populaire de Chine] ; Youguang Ma [République populaire de Chine] ; Huai Z. Li [France]

Source :

Microfluidics and Nanofluidics [ 1613-4982 ] ; 2015-01.

RBID : Hal:hal-01270979

Abstract

This work aims at investigating the breakup dynamics of the ferrofluid droplet under magnetic fields in a microfluidic T-junction. The whole breakup processes of the ferrofluid droplets under uniform magnetic field and non-uniform magnetic field were exhaustively considered. The influence of both the flow rates and magnetic flux density on the formation and breakup were extensively studied. It was found that the type of breakup process can be changed and the breakup frequency of ferrofluid droplets can be actively modulated by applying a uniform magnetic field. While under non-uniform magnetic field, the asymmetric breakup of ferrofluid droplets can be realized. Both the magnetic field intensity and hydrodynamic force affect the asymmetry of the breakup process. The non-uniform magnetic field can exert attraction on ferrofluid droplets in a dissymmetrical way to avoid breakup.

Url:

https://hal.univ-lorraine.fr/hal-01270979

DOI: 10.1007/s10404-014-1414-y

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">This work aims at investigating the breakup dynamics of the ferrofluid droplet under magnetic fields in a microfluidic T-junction. The whole breakup processes of the ferrofluid droplets under uniform magnetic field and non-uniform magnetic field were exhaustively considered. The influence of both the flow rates and magnetic flux density on the formation and breakup were extensively studied. It was found that the type of breakup process can be changed and the breakup frequency of ferrofluid droplets can be actively modulated by applying a uniform magnetic field. While under non-uniform magnetic field, the asymmetric breakup of ferrofluid droplets can be realized. Both the magnetic field intensity and hydrodynamic force affect the asymmetry of the breakup process. The non-uniform magnetic field can exert attraction on ferrofluid droplets in a dissymmetrical way to avoid breakup.</div>
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Active control of ferrofluid droplet breakup dynamics in a microfluidic T-junction

Active control of ferrofluid droplet breakup dynamics in a microfluidic T-junction

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Abstract

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Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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