Integral Doppler anemometry: a new technique for the measurement of flow velocity profiles and particle concentration profiles in a flow

Vadim L. Kononenko

doi:10.1117/12.150555

6 August 1993 Integral Doppler anemometry: a new technique for the measurement of flow velocity profiles and particle concentration profiles in a flow

Vadim L. Kononenko

Author Affiliations +

Proceedings Volume 2052, Fifth International Conference on Laser Anemometry: Advances and Applications; (1993) https://doi.org/10.1117/12.150555
Event: Laser Anemometry: Advances and Applications: Fifth International Conference, 1993, Koningshof, Veldhoven, Netherlands

Abstract

The integral laser Doppler anemometry (IDA) is considered. In IDA a thin and extended measuring volume is formed across the flow, and Doppler shifts from all particles in this volume are registered simultaneously, giving an integral Doppler spectrum. The theory of IDA is presented for the differential optical arrangement of LDA. It is shown, that under certain conditions easily met in the measurements, the solution of the inverse problem is possible, namely, the reconstruction of the flow velocity profile, or the particles concentration profile from the shape of the measured integral Doppler spectrum. The transverse concentrational profiles of particles in dilute suspension flow in a flat channel of 110 (mu) width are measured using IDA technique.

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Vadim L. Kononenko "Integral Doppler anemometry: a new technique for the measurement of flow velocity profiles and particle concentration profiles in a flow", Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); https://doi.org/10.1117/12.150555

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