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Velocity measurements at high temperatures by ultrasound Doppler velocimetry using an acoustic wave guide

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Abstract

Ultrasound Doppler velocimetry (UDV) was used to measure flow velocities at temperatures up to 620°C. To overcome the thermal restriction of the ultrasonic transducers an acoustic wave guide was used. The acoustic wave guide and the piezoelectric element are combined in the form of an integrated sensor. This approach allowed the first successful application of the ultrasound Doppler technique in liquid metals at temperatures above 200°C. The feasibility of this integrated sensor concept was demonstrated in experiments with metallic melts. Measurements were performed in a PbBi bubbly flow and in CuSn.

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Acknowledgement

This work was supported by Deutsche Forschungsgemeinschaft in form of the DFG-Innovationskolleg "Magnetofluiddynamics of Electrically Conducting Fluids" (INK18/B1–1), by the Saxonian Ministry of Research under grant No. 4-7531.50-02-844-01/1 and by the European Community in the frame of the Growth Programme under grant No. G6RD-CT-1999–00045 (project "HITUV"). The financial support is gratefully acknowledged.

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Authors and Affiliations

  1. Institute of Safety Research, Forschungszentrum Rossendorf (FZR), P.O. Box 510119, 01314, Dresden, Germany

    S. Eckert & G. Gerbeth

  2. University Nishni-Novgorod, Minin street 24, Nishni-Novgorod, 603600, Russia

    V. I. Melnikov

Authors
  1. S. Eckert
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  2. G. Gerbeth
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  3. V. I. Melnikov
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Correspondence to S. Eckert.

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Eckert, S., Gerbeth, G. & Melnikov, V.I. Velocity measurements at high temperatures by ultrasound Doppler velocimetry using an acoustic wave guide. Exp Fluids 35, 381–388 (2003). https://doi.org/10.1007/s00348-003-0606-0

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  • DOI: https://doi.org/10.1007/s00348-003-0606-0

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