Analysis of turbulence and vortex structures by flow mapping
Greated, C.A., Damm, C.E. and Whale, J. (1997) Analysis of turbulence and vortex structures by flow mapping. Atlas of Visualization, 3 . pp. 667-674.
The technique of Particle Image Velocimetry (PIV) flow mapping is reviewed and comparisons made with Laser Doppler Anemometry (LDA). Results are presented showing the application of PlV to the determination of coherent structures in grid-generated turbulence and theoretical expressions are presented for the errors associated with the computation of statistical parameters. Measurements are also presented showing the vortex structure in the wake of a model wind turbine. These studies have revealed fundamental inadequacies in existing computer codes used by the wind turbine industry.
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