Laser Speckle Velocimetry Applied To Rayleigh-Benard Convection

M. P. Arroyo; T. Yonte; M. Quintanilla; J. M. Saviron

doi:10.1117/12.952382

16 July 1986 Laser Speckle Velocimetry Applied To Rayleigh-Benard Convection

M. P. Arroyo, T. Yonte, M. Quintanilla, J. M. Saviron

Proceedings Volume 0599, Optics in Engineering Measurement; (1986) https://doi.org/10.1117/12.952382
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

An application of speckle velocimetry technique to Rayleigh-Benard convection (small boxes) is presented. A 5 mW He-Ne laser allows precise determination of the 2-D velocity flow field, up to several mm/sec. The digital techniques used to analyze automatically the multiexposed photographs and to generate velocity and vorticity fields are described. The obtained results are in good agreement with previously reported data. The ability of the technique to cover other experimental conditions is discussed.

Citation Download Citation

M. P. Arroyo, T. Yonte, M. Quintanilla, and J. M. Saviron "Laser Speckle Velocimetry Applied To Rayleigh-Benard Convection", Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); https://doi.org/10.1117/12.952382

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