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Vortex-induced chaotic mixing in wavy channels

Abstract:

Mixing is studied in open-flow channels with conformally mapped wavy-wall profiles, using a point-vortex model in two-dimensional irrotational, incompressible mean flow. Unsteady dynamics of the separation bubble induced by oscillatory motion of point vortices located in the trough region produces chaotic mixing in the Lagrangian sense. Significant mass exchange between passive tracer particles inside and outside of the separation bubble forms an efficient mixing region which evolves in size ...

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Publication status:
Published

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Publisher copy:
10.1017/S0022112010000674

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science, Civil Engineering
Role:
Author
Journal:
JOURNAL OF FLUID MECHANICS
Volume:
654
Pages:
501-538
Publication date:
2010-07-10
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
URN:
uuid:f03b140a-840b-4fb0-b507-3345a2e1b1ed
Source identifiers:
65980
Local pid:
pubs:65980
Language:
English

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