Velocity profiles and discontinuities propagation in a pipe flow of suspension of motile microorganisms |
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Authors: | P. Denissenko S. Lukaschuk |
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Affiliation: | Fluid Dynamics Laboratory, University of Hull, HU6 7RX, UK |
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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. |
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Keywords: | 87.18.Ed 47.15.Pn 87.17.Jj |
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