Beads-on-string phenomena in wormlike micellar fluids

Michael C. Sostarecz; Andrew Belmonte

doi:10.1063/1.1779672

Beads-on-string phenomena in wormlike micellar fluids

Michael C. Sostarecz, Andrew Belmonte

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

We present experimental results on the dynamics of wormlike micellar filaments surrounded by an immiscible viscous bulk fluid. For certain concentrations, these filaments develop a beads-on-string structure previously observed only in polymer jets and filaments surrounded by air. By taking advantage of the longer time scales present in this experiment, we are able to quantify the evolution of individual beads. We also investigate the stability of these filaments and the robustness of the beads-on-string structure by stretching the filament within a rotating flow.

Original language	English (US)
Pages (from-to)	L67-L70
Journal	Physics of Fluids
Volume	16
Issue number	9
DOIs	https://doi.org/10.1063/1.1779672
State	Published - Sep 2004

All Science Journal Classification (ASJC) codes

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1063/1.1779672

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abstract = "We present experimental results on the dynamics of wormlike micellar filaments surrounded by an immiscible viscous bulk fluid. For certain concentrations, these filaments develop a beads-on-string structure previously observed only in polymer jets and filaments surrounded by air. By taking advantage of the longer time scales present in this experiment, we are able to quantify the evolution of individual beads. We also investigate the stability of these filaments and the robustness of the beads-on-string structure by stretching the filament within a rotating flow.",

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AB - We present experimental results on the dynamics of wormlike micellar filaments surrounded by an immiscible viscous bulk fluid. For certain concentrations, these filaments develop a beads-on-string structure previously observed only in polymer jets and filaments surrounded by air. By taking advantage of the longer time scales present in this experiment, we are able to quantify the evolution of individual beads. We also investigate the stability of these filaments and the robustness of the beads-on-string structure by stretching the filament within a rotating flow.

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Beads-on-string phenomena in wormlike micellar fluids

Abstract

All Science Journal Classification (ASJC) codes

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