Transverse Flow in Super-hydrophobic Channelsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We provide some general theoretical results to guide the optimization of transverse hydrodynamic phenomena
in superhydrophobic channels. Our focus is on the canonical micro- and nanofluidic geometry of a
parallel-plate channel with an arbitrary two-component (low-slip and high-slip) coarse texture, varying on
scales larger than the channel thickness. By analyzing rigorous bounds on the permeability, over all possible
patterns, we optimize the area fractions, slip lengths, geometry, and orientation of the surface texture to
maximize transverse flow. In the case of two aligned striped surfaces, very strong transverse flows are possible.
Optimized superhydrophobic surfaces may find applications in passive microfluidic mixing and amplification
of transverse electrokinetic phenomena.