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Experiments in Fluids
Published in: Experiments in Fluids 5/2003

01-11-2003 | Original

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

Authors: S. Eckert, G. Gerbeth, V. I. Melnikov

Published in: Experiments in Fluids | Issue 5/2003

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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.
next article Evaluation of three techniques for wall-shear measurements in three-dimensional flows

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Metadata
Title
Velocity measurements at high temperatures by ultrasound Doppler velocimetry using an acoustic wave guide
Authors
S. Eckert
G. Gerbeth
V. I. Melnikov
Publication date
01-11-2003
Publisher
Springer-Verlag
Published in
Experiments in Fluids / Issue 5/2003
Print ISSN: 0723-4864
Electronic ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-003-0606-0

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