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Spatial correlation from the SPIV database of theWALLTURB experiment

type de publication      communication internationale avec actes publiés
date de publication 2010
auteur(s) Foucaut Jean-Marc; Coudert Sébastien; Stanislas Michel; Delville Joel; Tutkun Murat; George W.K.
  
conférence Progress in Wall Turbulence: Understanding and Modeling, Proceedings of the WALLTURB International Workshop
     dates de 21-04-2009 à 23-04-2009
     lieu Lille, France
     nom des actes Progress in Wall Turbulence: Understanding and Modeling, Proceedings of the WALLTURB International Workshop held in Lille, France, April 21-23, 2009. M. Stanislas, J. Jimenez, I. Marusic Editors, ERCOFTAC Series vol 14, Springer
  
  Sous presse
ISBN / ISSN 978-90-481-9602-9
résumé An original experiment has been performed in the frame of the WALLTURB EC project. In this experiment a specific set-up of SPIV allows to compute the full 3D tensor of velocity spatial correlation by using the homogeneity of the flow. The two-point correlations are tools to study the coherence of a flow. Stanislas et al. [14] and K¨ahler [11] showed that double spatial correlations, computed from Particle Image Velocimetry (PIV) fields, allow a better understanding of the turbulent flow organization.
mots clés 3D correlation turbulent boundary layer PIV
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