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Local isotropy of the velocity and vorticity fields in a boundary layer at high Reynolds numbers
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10.1063/1.3005842
/content/aip/journal/pof2/20/10/10.1063/1.3005842
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/10/10.1063/1.3005842
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Interior of the NASA Ames wind tunnel test section. Arrow indicates measurement station.

Image of FIG. 2.
FIG. 2.

Photograph of the 12-sensor probe of Vukoslavčević and Wallace (Ref. 10). Each sensor is long and is inclined at to the flow.

Image of FIG. 3.
FIG. 3.

Velocity spectra: (a) streamwise component; (b) wall normal component; (c) spanwise component. (——) Present data; Saddoughi and Veeravalli (Ref. 9); () channel flow DNS, Kim and Antonia (Ref. 6); (---) isotropic calculation from Eqs. (15) and (16), Kim and Antonia (Ref. 6). Vertical dotted line here and in other figures indicates the probe scale.

Image of FIG. 4.
FIG. 4.

Reynolds shear stress cospectrum: (◻) Saddoughi and Veeravalli (Ref. 9); (●, red online) present data.

Image of FIG. 5.
FIG. 5.

Vorticity spectra: (a) streamwise component; (b) wall normal component; (c) spanwise component. (——) Present data; () channel flow, Kim and Antonia (Ref. 6); (---) isotropic calculations from Eqs. (18) and (19), Kim and Antonia (Ref. 6).

Image of FIG. 6.
FIG. 6.

Distributions of the ratios of wall normal and spanwise vorticity spectra calculated from Eq. (21) to their measured values: (——) ; (---) .

Image of FIG. 7.
FIG. 7.

Distribution of the ratio of measured wall normal to spanwise vorticity component spectra.

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/content/aip/journal/pof2/20/10/10.1063/1.3005842
2008-10-31
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Local isotropy of the velocity and vorticity fields in a boundary layer at high Reynolds numbers
http://aip.metastore.ingenta.com/content/aip/journal/pof2/20/10/10.1063/1.3005842
10.1063/1.3005842
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