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Studies on the transducers of clamp-on transit-time ultrasonic flow meter
Han JP(韩建平); Liu H(刘浩); Zhou YY(周圆圆); Zhang RM(张如美); Li ZJ(李长吉)
Department机器人学研究室
Conference Name2014 4th IEEE International Conference on Information Science and Technology
Conference DateApril 26-28, 2014
Conference PlaceShenzhen, China
Source PublicationProceedings of 2014 4th IEEE International Conference on Information Science and Technology
PublisherIEEE
Publication PlacePiscataway, NJ, USA
2014
Pages180-183
Indexed ByEI ; CPCI(ISTP)
EI Accession number20144700232398
WOS IDWOS:000364968700043
Contribution Rank1
ISBN978-1-4799-4808-6
KeywordUltrasonic Flow Meter Transducer Ultrasonic Frequency Incident Angle Installation Distance
AbstractThe clamp-on transit-time ultrasonic flow meters are widely applied for the advantage of noninvasive measurement and convenient deployment. Its key point lies on measuring of the time difference between the upstream and downstream. While high quality of the transducer transmitting/receiving ultrasonic signals is the premise of measuring time difference accurately. This paper studies on the main factors contributing to the uncertainty of the transducer’s output signal and focuses on the transducer’s frequency, incident angle and the separate distance. The selection principle of transducer’s frequency is presented by the analysis of the ultrasonic attention characteristics in the liquid. The incident angle range and precise installation distance of the transducers are calculated and analyzed by Snell’s law. Experiments are also carried out with the 1MHz transducers clamped on the aluminium pipe of 20mm outer diameter. The results show that the accurate calculation separate distance 18.16mm is effective to guarantee the output of high quality ultrasonic wave. If the axial installation error reaches more than 3mm, the one beam of ultrasonic signal cannot be guaranteed.
Language英语
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/15397
Collection机器人学研究室
Affiliation1.Department of Medical Devices and Information Center, Shenyang Institute of Automation, Chinese Academy of Sciences, South Towel Street No.114, Shenyang, China
2.Department of Information and Control Engineering, Shenyang Jianzhu University, Muddy South East Road No.9, Shenyang, China
3.Yingkou Jucheng Techonology Development of Teaching Co., LTD, Bohai Street No.98, Yingkou, China
Recommended Citation
GB/T 7714
Han JP,Liu H,Zhou YY,et al. Studies on the transducers of clamp-on transit-time ultrasonic flow meter[C]. Piscataway, NJ, USA:IEEE,2014:180-183.
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