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Liquid flow measurement using silicone polymer wedge clamp-on ultrasonic transducers
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Li, Zhichao, Hughes, Foz, Kerr, Noel, Wilson, Richard and Dixon, Steve M. (2019) Liquid flow measurement using silicone polymer wedge clamp-on ultrasonic transducers. IEEE Transactions on Instrumentation and Measurement . p. 1. doi:10.1109/TIM.2019.2954235
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WRAP-liquid-flow-measurement-using-silicone-polymer-wedge-clamp-on-ultrasonic-transducers-Dixon-2019.pdf - Accepted Version - Requires a PDF viewer. Download (1555Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/TIM.2019.2954235
Abstract
Accurate liquid flow measurement is vital to many industries, and the benefits and limitations of ultrasonic transit-time clamp-on measurements are well understood. The ultrasonic transducers used in high quality clamp-on systems tend to be high cost items, containing an ultrasonic wedge of machined polyether ether ketone plastic (PEEK). PEEK is used because of its consistency and favourable ultrasonic properties of relatively low attenuation and consistent ultrasonic wave velocity over a wide range of frequencies. The viability of a new, high performance and low cost design of clamp-on ultrasonic transducers is described, made from a silicone based polymer moulded inside a shell and directly bonded to the active piezoelectric element. In addition to the reduced material and production cost, the new transducers have good thermal stability, consistency, conform well to the surface of the pipe. Tests were performed on a flow rig and on calibration blocks for thermal stability tests, showing that the sensors are of comparable performance to quality devices constructed using PEEK wedges.
| Item Type: | Journal Article | ||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||
| Divisions: | Faculty of Science > Physics | ||||||
| Library of Congress Subject Headings (LCSH): | Fluid dynamic measurements, Ultrasonic equipment, Flow meters, Silicone rubber | ||||||
| Journal or Publication Title: | IEEE Transactions on Instrumentation and Measurement | ||||||
| Publisher: | IEEE | ||||||
| ISSN: | 0018-9456 | ||||||
| Official Date: | 19 November 2019 | ||||||
| Dates: |
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| Date of first compliant deposit: | 26 November 2019 | ||||||
| Page Range: | p. 1 | ||||||
| DOI: | 10.1109/TIM.2019.2954235 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Publisher Statement: | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| RIOXX Funder/Project Grant: |
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