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High-accuracy particle recognition using an extended phase-Doppler anemometer

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Abstract

Simultaneous measurements of diameter, velocity and concentration of particles are carried out in a flow with two disperse phases in a liquid. For high-accuracy particle recognition by different light-scattering mechanisms, an extended phase-Doppler anemometer utilizing the sign of the signal phase shift is used. The possibility of distinguishing between two disperse phases is verified with water as the continuous phase, and air bubbles and glass particles as the disperse phases in a specially developed three-phase flow channel. The technique is demonstrated for three-phase flows with different loadings of bubbles and glass beads.

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Authors and Affiliations

  1. Institute of Computer Science and Networks Technical University of Riga, Auselka Street 11 1010 Riga, Latvia, , , , , , LV

    M. Ziema

  2. Lehrstuhl für Strömungsmechanik University of Erlangen-Nürnberg, Cauerstraße 4 91058 Erlangen, Germany, , , , , , DE

    A. Melling, G. Brenn & F. Durst

Authors
  1. M. Ziema
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  2. A. Melling
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  3. G. Brenn
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  4. F. Durst
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Received: 9 May 2000/Accepted: 14 August 2000

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Ziema, M., Melling, A., Brenn, G. et al. High-accuracy particle recognition using an extended phase-Doppler anemometer. Experiments in Fluids 30, 426–433 (2001). https://doi.org/10.1007/s003480000222

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  • DOI: https://doi.org/10.1007/s003480000222

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