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Internally mounted laser-Doppler-anemometry system for boundary layer measurement

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Abstract

 This paper describes a fibre-optic laser-Doppler-anemometry (LDA) system for measuring the boundary layer around a cylinder in a water tank. The laser head is located inside the cylinder, and the beams are focused in the flow near the surface of the cylinder through a transparent window. The main difficulties were in minimising the deformation of the interference pattern of the measuring control volume in order to obtain a sufficient signal in back-scattering operation.

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Authors and Affiliations

  1. Groupe Mécanique des Fluides et Génie Côtier Centre de Géomorphologie, 24 rue des Tilleuls 14000 Caen, France, , , , , , FR

    D. Mouazé & P. M. Bélorgey

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  1. D. Mouazé
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  2. P. M. Bélorgey
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Received: 11 April 2000/Accepted: 5 July 2000

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Mouazé, D., Bélorgey, P. Internally mounted laser-Doppler-anemometry system for boundary layer measurement. Experiments in Fluids 30, 111–114 (2001). https://doi.org/10.1007/s003480000205

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  • DOI: https://doi.org/10.1007/s003480000205

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