Two-dimensional flexural ultrasonic phased array for flow measurement

Lei Kang, Andrew Feeney, Riliang Su, David Lines, Axel Jager, Han Wang, Yavor Arnaudov, Sivaram Nishal Ramadas, Mario Kupnik, Steve Dixon

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

11 Citations (Scopus)
9 Downloads (Pure)


The arrival time detection probability and the measurement range of transit-time ultrasonic flow meters are undermined by the sound drift effect. One solution to this problem is utilizing a phased-array beam steering technique to compensate the bend of the ultrasonic beams. The design, the fabrication and the characterization of two-dimensional flexural ultrasonic phased arrays is investigated in this paper. A meter body with an inner diameter of 146 mmis machined to accommodate the arrays, and flow tests are carried out at different flow rates ranging from 0 to 2500 m3/h. Experimental results indicate that, with the increase of flow rate, the optimum steering angle of arrays increases from 30° to 40.5° when ultrasonic beams travel upstream and decreases from 30° to 22.5° when ultrasonic beams travel downstream. This proof-of-concept design demonstrates the potential of the flexural ultrasonic phased array as an accurate, economic, efficient, and robust solution for gas flow measurement.

Original languageEnglish
Title of host publication2017 IEEE International Ultrasonics Symposium, IUS 2017
Place of PublicationPiscataway, NJ.
Number of pages4
ISBN (Electronic)9781538633830
Publication statusPublished - 31 Oct 2017
Externally publishedYes
Event2017 IEEE International Ultrasonics Symposium, IUS 2017 - Washington, United States
Duration: 6 Sep 20179 Sep 2017


Conference2017 IEEE International Ultrasonics Symposium, IUS 2017
Abbreviated titleIEEE IUS 2017
CountryUnited States
Internet address


  • flexural ultrasonic transducer
  • flow measurement
  • phased array
  • transit-time flow meter

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