A Pulse Correlated Gas Flowmeter with Clamp-On Sensors

An improved pulsed correlation gas flowmeter with clamp-on sensors for measuring gas flows in pipes has been created and studied. Such devices operate by measuring vortex motion velocity in a turbulent flow. The problems of isolating a weak useful signal that has passed through a gas against a backg...

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Bibliographic Details
Published in:Acoustical physics 2023-06, Vol.69 (3), p.401-411
Main Authors: Mansfeld, A. D., Volkov, G. P., Belyaev, R. V., Sanin, A. G., Moroskin, D. V.
Format: Article
Language:English
Subjects:
Acoustics
Background noise
Gas flow
Measuring instruments
Physical Foundations of Technical Acoustics
Physics
Physics and Astronomy
Pipes
Sensors
Turbulence
Turbulent flow
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Summary:An improved pulsed correlation gas flowmeter with clamp-on sensors for measuring gas flows in pipes has been created and studied. Such devices operate by measuring vortex motion velocity in a turbulent flow. The problems of isolating a weak useful signal that has passed through a gas against a background of interference from signals propagating along the pipe wall are discussed. A schematic of a correlation flowmeter with pulsed probing and the possibility of automatic search for a useful signal against a noise background is proposed. The operation of the flowmeter is demonstrated against the background of pipe wall vibrations and liquid droplets in the flow.
ISSN:1063-7710
1562-6865
DOI:10.1134/S1063771022700087