Suppressing Interfacial Instability of Immiscible Liquid‐in‐Liquid Flow Using Magnetic Forces

Interfacial instability prevents a liquid jet from flowing indefinitely within air or another liquid. An approach is presented here to suppress interfacial instability by means of a magnetic force applied by a ferrofluid envelope around the jet. The stability limits occurring within a large parameter window are experimentally investigated with length and time scales governed by the magnetic Bond number. Instabilities can be generated by modifying the magnetic force strength externally, with a remarkable return to stability when removing the external stimulus. The current system with soft and slippery interfaces enables investigations of flow systems beyond the limits of standard hydrodynamics allowing for exciting applications in flow chemistry, interface engineering and transport of biological materials.

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Publication Details

Journal
Advanced Science
Published
2025-11-07
DOI
https://doi.org/10.1002/advs.202510327
Primary Topic
Fluid Dynamics and Thin Films
Type
article
Field-Weighted Citation Impact
0.00

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article

Suppressing Interfacial Instability of Immiscible Liquid‐in‐Liquid Flow Using Magnetic Forces

Arvind Arun Dev, Gholamhossein Bagheri, Eberhard Bodenschatz, Bernard Doudin et al.
Advanced Science
Fluid Dynamics and Thin Films
article

Suppressing Interfacial Instability of Immiscible Liquid‐in‐Liquid Flow Using Magnetic Forces

Arvind Arun Dev, Gholamhossein Bagheri, Eberhard Bodenschatz, Bernard Doudin, Thomas M. Hermans
article en

Abstract

Interfacial instability prevents a liquid jet from flowing indefinitely within air or another liquid. An approach is presented here to suppress interfacial instability by means of a magnetic force applied by a ferrofluid envelope around the jet. The stability limits occurring within a large parameter window are experimentally investigated with length and time scales governed by the magnetic Bond number. Instabilities can be generated by modifying the magnetic force strength externally, with a remarkable return to stability when removing the external stimulus. The current system with soft and slippery interfaces enables investigations of flow systems beyond the limits of standard hydrodynamics allowing for exciting applications in flow chemistry, interface engineering and transport of biological materials.

Advanced ScienceVol. 13(4)
Madrid Institute for Advanced Studies (ES), Centre National de la Recherche Scientifique (FR), Cornell University (US), Laboratoire de physique des Solides (FR), Max Planck Institute for Dynamics and Self-Organization (DE), Laboratory Colloïdes et Matériaux Divisés (FR), Université de Strasbourg (FR), University of Göttingen (DE)
European Commission, Tata Institute of Fundamental Research, Agence Nationale de la Recherche, Université de Strasbourg, Institut Universitaire de France, Ministerio de Ciencia e Innovación, Agencia Estatal de Investigación
Openalex Percentile: Top 65%
Fluid Dynamics and Thin Films
DOIOpen Access PDFOpenAlex
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Suppressing Interfacial Instability of Immiscible Liquid‐in‐Liquid Flow Using Magnetic Forces — Arvind Arun Dev, Gholamhossein Bagheri, et al. · Advanced Science (2025) | TGRS Research Map | TGRS