Numerical simulations of fingering instabilities in miscible magnetic fluids in a Hele-Shaw cell and the effects of Korteweg stresses

Ching-Yao Chen*

*Corresponding author for this work

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

The first high-accuracy direct numerical simulations of labyrinthine instabilities of miscible magnetic fluids are presented. Great similarities of fingering patterns in a miscible magnetic droplet with the effects of Korteweg stresses to their immiscible equivalents give strong qualitative validations to the numerical results. For conventional modeling that excludes the effects of Korteweg stresses, more vigorous fingerings are observed at stronger magnetic fields and higher viscosity contrast, which are in line with common expectations.

Original languageEnglish
Pages (from-to)1086-1089
Number of pages4
JournalPhysics of Fluids
Volume15
Issue number4
DOIs
StatePublished - 1 Jan 2003

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