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  4. The domain dependence of chemotaxis in a two-dimensional turbulent flow
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The domain dependence of chemotaxis in a two-dimensional turbulent flow

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Description

Presented is a study on the chemotaxis reaction process and its relation with flow topology. The effect of coherent structures in turbulent flows is characterized by studying nutrient uptake and the advantage that is received from motile bacteria over other non-motile bacteria. Variability is found to be dependent on the initial location of scalar impurity and can be tied to Lagrangian coherent structures through recent advances in the identification of finite-time transport barriers. Advantage is relatively small for initial nutrient found within high stretching regions of the flow, and nutrient within elliptic structures provide the greatest advantage for motile species. How the flow field and the relevant flow topology lead to such a relation is analyzed.

Date Created
2015
Contributors
  • Jones, Kimberly (Author)
  • Tang, Wenbo (Thesis advisor)
  • Kang, Yun (Committee member)
  • Jones, Donald (Committee member)
  • Arizona State University (Publisher)
Topical Subject
  • Applied Mathematics
  • Mathematics
  • Chemotaxis
  • Flow Topology
  • FTLE
  • Lagrangian Coherent Structures
  • Turbulence
  • Fluid Dynamics
  • Chemotaxis--Mathematical models.
  • Chemotaxis
  • Turbulence--Mathematical models.
Resource Type
Text
Genre
Masters Thesis
Academic theses
Extent
iii, 16 pages : illustrations (some color)
Language
eng
Copyright Statement
In Copyright
Reuse Permissions
All Rights Reserved
Primary Member of
ASU Electronic Theses and Dissertations
Peer-reviewed
No
Open Access
No
Handle
https://hdl.handle.net/2286/R.I.34877
Statement of Responsibility
by Kimberly Jones
Description Source
Retrieved on Nov. 17, 2015
Level of coding
full
Note
Partial requirement for: M.A., Arizona State University, 2015
Note type
thesis
Includes bibliographical references (page 16)
Note type
bibliography
Field of study: Mathematics
System Created
  • 2015-08-17 11:55:23
System Modified
  • 2021-08-30 01:27:17
  •     
  • 1 year 4 months ago
Additional Formats
  • OAI Dublin Core
  • MODS XML

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