journal article·2026-01Open access

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

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

Advanced Science· Volume 13· Issue 4

Abstract

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.
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Research context

OpenAlex topics: Fluid Dynamics and Thin Films · Fluid Dynamics and Heat Transfer · Innovative Microfluidic and Catalytic Techniques Innovation

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

IPCMS UMR 7504 Université de Strasbourg, CNRS 23 Rue du Loess Strasbourg 67034 France

Laboratoire Colloïdes et Materiaux Divises, CNRS UMR 8231, Chemistry Biology & Innovation, ESPCI Paris PSL Research University 10 rue Vauquelin Paris 75 005 France

Laboratory for Fluid Physics Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self‐Organization 37 077 Göttingen Germany

Institute for Dynamics of Complex Systems University of Göttingen 37 077 Göttingen Germany

Laboratory of Atomic and Solid State Physics Cornell University Ithaca NY 14 853 USA

Sibley School of Mechanical and Aerospace Engineering Cornell University Ithaca NY 14 853 USA

IMDEA Nanociencia C/ Faraday 9 Madrid 28 049 Spain

Funding

Ministerio de Ciencia e Innovación · HORIZON EUROPE Marie Sklodowska-Curie Actions

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