Suscripción a Biblioteca: Guest
Fourth International Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2005, Marriot Hotel, Williamsburg, Virginia, USA

DOI: 10.1615/TSFP4

A COMPUTATIONAL STUDY OF THE GENERATION AND DECAY OF AIRCRAFT WINGTIP VORTICES

pages 159-164
DOI: 10.1615/TSFP4.270
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SINOPSIS

Computations are reported of the flow over a NACA 0012 half-wing with rounded wing tip. The aim is to test the performance of a number of turbulence models in capturing the generation and near-field decay of the strongly accelerated vortex that is shed from the tip. Results using linear and non-linear eddy-viscosity models are presented, but these all exhibit too rapid a decay of the vortex core, and it is only an advanced stress transport model that is shown to reproduce many of the features found in the experimental measurements.

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