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Numerical study of educed coherent structures in the near-wall region of a particle-laden channel flow
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10.1063/1.2919108
/content/aip/journal/pof2/20/5/10.1063/1.2919108
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/5/10.1063/1.2919108
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Mean streamwise velocity. Continuous line: fluid velocity of particle-free flow: dashed line: fluid velocity of particle-laden flow; symbols: particle velocity.

Image of FIG. 2.
FIG. 2.

Fluid rms velocity fluctuations. Lines: particle-free flow; symbols: particle-laden flow.

Image of FIG. 3.
FIG. 3.

rms vorticity fluctuations. Lines: particle-free flow; symbols: particle-laden flow.

Image of FIG. 4.
FIG. 4.

Mean and rms distributions of . Lines: particle-free flow; symbols: particle-laden flow.

Image of FIG. 5.
FIG. 5.

Cross correlations of with , , , and . Lines: particle-free flow; symbols: particle-laden flow.

Image of FIG. 6.
FIG. 6.

Top and side views of the mean coherent structure [(a) and (b)] for the particle-free flow, [(c) and (d)] for the particle-laden flow.

Image of FIG. 7.
FIG. 7.

Ensemble-averaged coherent velocity fluctuations around the mean vortex at plane (a), (c), and (e) for the particle-free flow and (b), (d), and (f) for the particle-laden flow.

Image of FIG. 8.
FIG. 8.

Coherent shear Reynolds stresses around the mean vortex at plane (a), (c), and (e) for the particle-free flow and (b), (d), and (f) for the particle-laden flow.

Image of FIG. 9.
FIG. 9.

Coherent vorticity components around the mean vortex at plane (a), (c), and (e) for the particle-free flow and (b), (d), and (f) for the particle-laden flow.

Image of FIG. 10.
FIG. 10.

Coherent vorticity components and pressure fluctuations around the mean vortex at plane (a) for the particle-free flow, (b) for the particle-laden flow, (c) pressure variation with at , and (d) pressure variation with at and .

Image of FIG. 11.
FIG. 11.

Components of fluid-particle energy exchange term around the mean vortex for the particle-laden flow at plane.

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/content/aip/journal/pof2/20/5/10.1063/1.2919108
2008-05-22
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Numerical study of educed coherent structures in the near-wall region of a particle-laden channel flow
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/5/10.1063/1.2919108
10.1063/1.2919108
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