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Journal of Visualization
Published in: Journal of Visualization 2/2018

25-10-2017 | Short Paper

Visualization of separated shear layer streaks generated by micro vortex generators based on tomographic PIV

Authors: Xingyu Ma, Andreas Schröder

Published in: Journal of Visualization | Issue 2/2018

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Abstract

Three-dimensional flow fields downstream of micro VGs in backward-facing step (BFS) flow are experimentally investigated by time-resolved tomographic particle image velocimetry (PIV). Streaks within the separated shear layer are visualized by time-averaged velocity field. Complex streamwise vorticity fields are analyzed by proper orthogonal decomposition (POD) and coherent vortex structures are reconstructed by predominant POD mode pairs.

Graphical Abstract

next article Visualization and assessment of turbulent coherent structures in laminarescent boundary layers

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Literature
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Metadata
Title
Visualization of separated shear layer streaks generated by micro vortex generators based on tomographic PIV
Authors
Xingyu Ma
Andreas Schröder
Publication date
25-10-2017
Publisher
Springer Berlin Heidelberg
Published in
Journal of Visualization / Issue 2/2018
Print ISSN: 1343-8875
Electronic ISSN: 1875-8975
DOI
https://doi.org/10.1007/s12650-017-0452-4

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