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  • Gallery of Fluid Motion
  • Open Access
  • Access by Xinjiang University

Mixing in chaotic flows with swimming bacteria

Ranjiangshang Ran1,*, Quentin Brosseau1, Brendan C. Blackwell1,2, Boyang Qin1,3, Rebecca L. Winter1, and Paulo E. Arratia1,†

  • 1Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
  • 2Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, USA
  • 3Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, USA

  • *ranr@seas.upenn.edu
  • †parratia@seas.upenn.edu
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Phys. Rev. Fluids 7, 110511 – Published 7 November, 2022

DOI: https://doi.org/10.1103/PhysRevFluids.7.110511

Abstract

This paper is associated with a poster winner of a 2021 American Physical Society's Division of Fluid Dynamics (DFD) Gallery of Fluid Motion Award for work presented at the DFD Gallery of Fluid Motion. The original poster is available online at the Gallery of Fluid Motion, https://doi.org/10.1103/APS.DFD.2021.GFM.P0036.

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References (6)

  1. J. D. Wheeler, E. Secchi, R. Rusconi, and R. Stocker, Not just going with the flow: The effects of fluid flow on bacteria and plankton, Annu. Rev. Cell Dev. Biol. 35, 213 (2019).
  2. R. Ran, Q. Brosseau, B. C. Blackwell, B. Qin, R. L. Winter, and P. E. Arratia, Bacteria hinder large-scale transport and enhance small-scale mixing in time-periodic flows, Proc. Natl. Acad. Sci. USA 118, e2108548118 (2021).
  3. G. A. Voth, G. Haller, and J. P. Gollub, Experimental Measurements of Stretching Fields in Fluid Mixing, Phys. Rev. Lett. 88, 254501 (2002).
  4. T. Peacock and G. Haller, Lagrangian coherent structures: The hidden skeleton of fluid flows, Phys. Today 66(2), 41 (2013).
  5. N. Khurana and N. T. Ouellette, Interactions between active particles and dynamical structures in chaotic flow, Phys. Fluids 24, 091902 (2012).
  6. https://doi.org/10.1103/APS.DFD.2021.GFM.P0036.

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Phys. Rev. Fluids 7, 110511– Published 7 November, 2022
  • Received 1 July 2022
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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