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Development of Circuits for Excitation and Reception in Ultrasonic Transducers for Generation of Guided Waves in Hollow Cylinders for Fouling Detection

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4 Author(s)
da Silva, J.J. ; Fed. Univ. of Campina Grande, Campina Grande ; Goncalves Wanzeller, M. ; de Almeida Farias, P. ; da Rocha Neto, J.S.

This paper presents the development of circuits that are used to provide excitation and reception in ultrasonic transducers for the generation of guided waves in hollow cylinders for fouling detection. Fouling is a problem that has been present in the chemical, petroleum, food, and pharmaceutical industries. It consists of the deposition of heavy organic materials and other dissolved solids or the suspension in fluid transport systems. The ultrasonic guided waves present specific characteristics and have demonstrated good results in the detection of flaws in pipelines. The circuits are presented, and experimental results are discussed.

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:57 ,  Issue: 6 )

Date of Publication:

June 2008

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