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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

Three Dimensional Velocity Field of the Flow Around a Keel/Bulb Geometry

page 11
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.520
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ABSTRACT

Detailed particle image velocimetry measurements have been made to characterize the flow around a keel/bulb geometry. These measurements are used to evaluate the closure assumptions of two typical turbulence models: the eddy-viscosity SST model and the second-moment model BSL-w-RSM. The experiments are conducted in a low speed wind tunnel. Measured flow parameters include the mean velocity profiles and the Reynolds stress tensor. Both turbulence models are shown to perform well regarding mean velocity and global predictions. Turbulence data predictions, however, are shown to be, in some cases, erroneous by at least one order of magnitude.

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