Physics > Fluid Dynamics
[Submitted on 13 Jun 2012
(v1)
, last revised 21 Jun 2012 (this version, v2)]
Title: Waves and instability in a one-dimensional microfluidic array
Title: 波浪和一维微流控阵列中的不稳定性
Abstract: Motion in a one-dimensional (1D) microfluidic array is simulated. Water droplets, dragged by flowing oil, are arranged in a single row, and due to their hydrodynamic interactions spacing between these droplets oscillates with a wave-like motion that is longitudinal or transverse. The simulation yields wave spectra that agree well with experiment. The wave-like motion has an instability which is confirmed to arise from nonlinearities in the interaction potential. The instability's growth is spatially localized. By selecting an appropriate correlation function, the interaction between the longitudinal and transverse waves is described.
Submission history
From: Bin Liu [view email][v1] Wed, 13 Jun 2012 15:07:50 UTC (1,012 KB)
[v2] Thu, 21 Jun 2012 20:37:54 UTC (1,302 KB)
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