Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/5304
Title: Characterization of acoustic beam propagation through high-grade stainless steel pipes for improved pulsed ultrasound velocimetry measurements in complex industrial fluids
Authors: Shamu, TJ
Kotzé, R
Wiklund, J
Keywords: Non-invasive ultrasound sensor;Pulsed ultrasound;Velocimetry;Ultrasonic transducer;Acoustic measurements
Issue Date: 2016
Publisher: IEEE
Abstract: The newly developed Flow-Viz rheometric system is capable of performing detailed non-invasive velocimetry measurements through industrial stainless steel pipes. However, in order to improve the current design for non-invasive measurements in industrial fluids, pulsed ultrasound sensors need to be acoustically characterized. In this paper, acoustic characterization tests were carried out, with the aim of measuring the ultrasound beam propagation through stainless steel (SS316L) pipes and into water. For these tests, a high-precision robotic XYZ-scanner and needle hydrophone setup was used. Several ultrasound sensor configurations were mounted onto stainless steel pipes, while using different coupling media between the transducer-to-wedge and sensor wedge-to-pipe boundaries. The ultrasound beam propagation after the wall interface was measured by using a planar measuring technique along the beam’s focal axis.
URI: http://hdl.handle.net/11189/5304
http://dx.doi.org/10.1109/JSEN.2016.2569491
ISSN: 1558-1748
Appears in Collections:Eng - Journal articles (DHET subsidised)

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