Flow velocity measurement by a speckle method

Meynart, Roland

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Publication date

May 1980

DOI

10.1117/12.958310

Publisher

SPIE-Intl Soc Optical Eng

Citation count (estimate)

Abstract

An application of the multiple-exposure speckle photography to the Rayleigh-Benard flow is described. A fluid seeded with a minute concentration of diffusing particles is illuminated by a laser light sheet. The multiple-exposure photograph of this sheet is analysed by the well-known techniques of speckle photography to obtain a bidimensional map of the instantaneous velocities. © 1980 SPIE.SCOPUS: ar.jinfo:eu-repo/semantics/publishe

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Flow velocity measurement by a speckle method

Abstract

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Flow velocity measurement by a speckle method

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