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Flow measurement based on two-dimensional flexural ultrasonic phased arrays
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Kang, Lei, Feeney, Andrew and Dixon, Steve M. (2018) Flow measurement based on two-dimensional flexural ultrasonic phased arrays. Meetings on Acoustics. Proceedings, 32 (1). 045012. doi:10.1121/2.0000708
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Official URL: http://dx.doi.org/10.1121/2.0000708
Abstract
Transit-time flow measurement is a technology which has been increasingly utilized in recent years, in industries such as petrochemical, water, and gas. In general, this method of flow measurement employs two ultrasonic transducers, one situated upstream, and the other downstream. The fluid flow is then characterized via transmission and detection of ultrasound using the transducers. However, there are notable limitations of the transit-time method, including drift of the propagation direction of the ultrasonic beam. This is termed the sound drift effect. This paper reports on the latest developments of ultrasonic phased arrays, which are a potentially robust and economic solution to compensating for this sound drift effect. The design and fabrication of phased arrays is discussed, and experimental flow measurement results are reported, utilizing flow rates from 0 to 2500 m3/h. The results show that the compensation of the sound drift effect has been achieved, demonstrating the feasibility of phased arrays for accurate ultrasonic flow measurement.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TC Hydraulic engineering. Ocean engineering | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
| Library of Congress Subject Headings (LCSH): | Flow meters, Ultrasonic transducers, Phased array antennas | |||||||||
| Journal or Publication Title: | Meetings on Acoustics. Proceedings | |||||||||
| Publisher: | Acoustical Society of America | |||||||||
| ISSN: | 1939-800X | |||||||||
| Official Date: | April 2018 | |||||||||
| Dates: |
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| Volume: | 32 | |||||||||
| Number: | 1 | |||||||||
| Article Number: | 045012 | |||||||||
| DOI: | 10.1121/2.0000708 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
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| Conference Paper Type: | Paper | |||||||||
| Title of Event: | 2017 ICU Honolulu Sixth International Congress on Ultrasonics | |||||||||
| Type of Event: | Conference | |||||||||
| Location of Event: | Honolulu, Hawaii, USA | |||||||||
| Date(s) of Event: | 18-20 Dec 2017 |
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