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Biomicrofluidics. 2012 Mar;6(1):14106-1410614. doi: 10.1063/1.3676068. Epub 2012 Jan 20.

Fluid flow due to collective non-reciprocal motion of symmetrically-beating artificial cilia.

Abstract

Using a magneto-mechanical solid-fluid numerical model for permanently magnetic artificial cilia, we show that the metachronal motion of symmetrically beating cilia establishes a net pressure gradient in the direction of the metachronal wave, which creates a unidirectional flow. The flow generated is characterised as a function of the cilia spacing, the length of the metachronal wave, and a dimensionless parameter that characterises the relative importance of the viscous forces over the elastic forces in the cilia.

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