163 citations · 280 across the 4 of their papers we have counts for
4 papers
Stirring by multi-cylinder in potential flow
Zhi Lin, Yuanzhao Zhang
We consider the enhanced mixing due to multiple cylinders organised in schools moving synchronously in a potential flow. Here simple interactions between cylinders are modelled by…
Models and measures of mixing and effective diffusion
Zhi Lin, Katarína Bodová, Charles R. Doering
Mixing a passive scalar field by stirring can be measured in a variety of ways including tracer particle dispersion, via the flux-gradient relationship, or by suppression of scalar…
Optimal stirring strategies for passive scalar mixing
Zhi Lin, Jean-Luc Thiffeault, Charles R. Doering
We address the challenge of optimal incompressible stirring to mix an initially inhomogeneous distribution of passive tracers. As a quantitative measure of mixing we adopt the $H^{…
Stirring by squirmers
Zhi Lin, Jean-Luc Thiffeault, Stephen Childress
We analyse a simple 'Stokesian squirmer' model for the enhanced mixing due to swimming micro-organisms. The model is based on a calculation of Thiffeault & Childress [Physics Lette…