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Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

Study of sub-vortices and statistical values in vortical flows behind a paraboloidal-nose cylinder

page 12
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.2230
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ABSTRAKT

Flows in the separation region of an axisymmetric paraboloid at angle of attack α≥40deg are investigated, first by a hot wire anemometer and second by a Particle Image Velocimetry. Reynolds number ranges from 7000 to 18000. The present PIV results show that series of vortex loops appear with almost constant spacing around and coaxially with the main vortex.

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