Characterization of the interaction between a boundary layer and a cavity using Digital Particle Image Velocimetry with Optical Flow

Georges Quénot 1 Allecsandra Rambert Pierre Gougat 2 Tomasz Kowalewski
1 MRIM - Modélisation et Recherche d’Information Multimédia [Grenoble]
LIG - Laboratoire d'Informatique de Grenoble, Inria - Institut National de Recherche en Informatique et en Automatique
2 LIMSI - Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur
Abstract : An Optical Flow technique based on the use of Dynamic Programming has been applied to Particle Image Velocimetry yielding a significant increase in the accuracy and spatial resolution of the velocity field. Results are presented for an interaction between a laminar boundary layer and a cavity. The experimental characterization of the interaction between a boundary layer and a cavity was developed in order to valid a three dimensional computation code based on the L.E.S. method (Large Eddies Simulation). The main application of this work is the study of the pollutant transport and dispersion in a canyon street.
Keywords : Optical Flow Particle Image Velocimetry Optical Flow.
Type de document :
Communication dans un congrès
9th International Symposium on the Applications of Laser Techniques to Fluid Mechanics, 1998, Lisbon, Portugal. pp.39.4.1--8, 1998
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https://hal.inria.fr/hal-00953965
Contributeur : Marie-Christine Fauvet <>
Soumis le : vendredi 28 février 2014 - 16:08:00
Dernière modification le : jeudi 11 janvier 2018 - 06:25:47

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  • HAL Id : hal-00953965, version 1

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Georges Quénot, Allecsandra Rambert, Pierre Gougat, Tomasz Kowalewski. Characterization of the interaction between a boundary layer and a cavity using Digital Particle Image Velocimetry with Optical Flow. 9th International Symposium on the Applications of Laser Techniques to Fluid Mechanics, 1998, Lisbon, Portugal. pp.39.4.1--8, 1998. 〈hal-00953965〉

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