Tristability in Viscoelastic Flow Past Side-by-Side Microcylinders
نویسندگان
چکیده
Viscoelastic flows through microscale porous arrays exhibit complex path selection and switching phenomena. However, understanding this process is limited by a lack of studies linking between single object large arrays. Here, we report experiments on viscoelastic flow past side-by-side microcylinders with variable intercylinder gap. With increasing rate, sequence two imperfect symmetry-breaking bifurcations forces either one or the three possible paths around cylinders. Tuning gap length value where first bifurcation becomes perfect reveals regions bistability tristability in dimensionless rate-gap phase diagram.
منابع مشابه
High-order accurate simulation of low-Mach laminar flow past two side-by-side cylinders using spectral difference method
0045-7949/$ see front matter Published by Elsevier doi:10.1016/j.compstruc.2008.12.016 * Corresponding author. Tel.: +1 650 724 5479. E-mail address: [email protected] (C. Liang). This paper reports development of a two-dimensional solver for compressible viscous flow using spectral difference (SD) method and its applications on simulating laminar flow past two side-by-side cylinders at vari...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2021
ISSN: ['1079-7114', '0031-9007', '1092-0145']
DOI: https://doi.org/10.1103/physrevlett.126.054501