Abstract
An experiment has been performed in a large wind tunnel with the objectives to record 2D3C velocity fields of a fully developed turbulent boundary layer along a flat plate by means of stereoscopic PIV (SPIV) and to study the characteristics of this turbulence. The present study starts from determining the suitable method to process the database that was recorded with the stereoscopic PIV system. It suggests that the Soloff method with 3 calibration planes and integer shift is the best choice. Then, by using this method the analysis of the mean streamwise velocity, velocity fluctuations, Reynolds shear stress, spectrum, probability density function (PDF) as well as skewness and flatness, was performed and compared with values from hot-wire anemometry (HWA) and direct numerical simulation (DNS). The comparison indicates that SPIV is a well-qualified method to investigate near-wall turbulence.
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Lin, J., Foucaut, JM., Laval, JP., Pérenne, N., Stanislas, M. (2007). Assessment of Different SPIV Processing Methods for an Application to Near-Wall Turbulence. In: Particle Image Velocimetry. Topics in Applied Physics, vol 112. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73528-1_10
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DOI: https://doi.org/10.1007/978-3-540-73528-1_10
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