Modeling the Response of a Beam Deflection Flowmeter

One of the reasons which impede applications of ultrasonic beam deflection flowmeters is their calibration that usually needs to be performed across the whole range of measured flow rates. In this paper we have aimed to show that given the directivity pattern of ultrasonic transducers, one can desig...

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Bibliographic Details
Published inIEEE sensors journal Vol. 20; no. 6; pp. 3016 - 3023
Main Authors Rupniewski, Marek, Mazurek, Gustaw, Rytel-Andrianik, Rafal, Bohdanowicz, Michal, Sliwa, Edward, Nalecz, Marek, Piatek, Andrzej, Gumowski, Konrad
Format Journal Article
LanguageEnglish
Published New York IEEE 15.03.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Acoustic beams
Acoustics
beam deflection
Calibration
Deflection
Directivity
Error analysis
Flow measurement
Flow velocity
Flowmeters
Fluid flow measurement
Meters
Receivers
Transceivers
Transducers
Transmitters
ultrasonic transducer
Ultrasonic transducers
Ultrasonic variables measurement
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Summary:One of the reasons which impede applications of ultrasonic beam deflection flowmeters is their calibration that usually needs to be performed across the whole range of measured flow rates. In this paper we have aimed to show that given the directivity pattern of ultrasonic transducers, one can design a beam deflection flowmeter with just one transmitting and one receiving transducer and reduce the calibration process of such a device to a single measurement. Moreover, we show how to optimize parameters of the transmitter-receiver setup in order to maximize flow measurement accuracy. It leads us to simple and approximate formulas that relate the size and tilt angles of the transducers to measurement range so that the worst-case measurement error is minimized.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2019.2954552