The use of an ultrasonic measuring system to construct a working standard of air flow speed

Some features of the use of the ultrasonic method of measurement to construct a working standard of air flow speed are considered. It is shown that alternate probing of the flow in both directions is promising and it is thereby possible to reduce the random errors of measurements of its speed. The r...

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Bibliographic Details
Published in:Measurement techniques 2007-12, Vol.50 (12), p.1291-1296
Main Authors: Butkus, J, Jakevicius, L, Ilgarubis, V, Janusas, V
Format: Article
Language:English
Subjects:
Air flow
Construction standards
Lasers
Measurement methods
Phase Doppler Anemometer
Random errors
Ultrasonic methods
Ultrasonic testing
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Summary:Some features of the use of the ultrasonic method of measurement to construct a working standard of air flow speed are considered. It is shown that alternate probing of the flow in both directions is promising and it is thereby possible to reduce the random errors of measurements of its speed. The results of a measurement of air flow speed, obtained using an ultrasonic measuring system and a laser Doppler anemometer are compared.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-007-0240-y