Article ID Journal Published Year Pages File Type
1868045 Physics Letters A 2007 7 Pages PDF
Abstract

Suspension of motile gravitactic unicellular algae flowing down in a vertical pipe concentrates near its axis in the form of a thin thread. Such a thread is unstable relative to the travelling nodule-like structures. We study the dynamics of nodules experimentally and describe them in terms of a hydrodynamic model.

Keywords
Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
Preview
Velocity profiles and discontinuities propagation in a pipe flow of suspension of motile microorganisms
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