Front–End Design Of An Ultrasonic Tomography Measurement System
DOI:
https://doi.org/10.11113/jt.v54.815Abstract
Kertas kerja ini menerangkan tentang perancangan bahagian permulaan di dalam sistem tomografi ultrasonik. Dalam kertas kerja ini, teknik perlaksanaan tomografi ultrasonik secara luaran iaitu tidak menggangu aliran dalaman paip diaplikasikan menggunakan 16 sensor gabungan pemancar dan penerima untuk mengesan fasa–fasa aliran di dalam paip. Fasa tersebut termasuk pepejal,gas dan cecair. Kebaikan menggunakan pengesan jenis gabungan berbanding pengesan berasingan dibincangkan di dalam kertas kerja ini. Cara penyusunan pengesan, teknik pengukuran dan penyediaan perkakasan juga dibincangkan. Butir–butir rekaan litar termasuk litar pemancar, penerima, dan litar pengesan puncak juga disertakan. Kertas kerja ini boleh membantu untuk pembinaan sistem tomografi ultrasonik yang lebih jauh. Kata kunci: Tomografi ultrasonic; aliran pelbagai fasa; ultrasonik This paper explains the front–end system design of an ultrasonic tomography. In this paper, the ultrasonic tomography techniques implements a non–invasive techniques which using 16 transceivers to investigate the multiphase flow of the pipelines. The flows include solid, gas and liquid phase in 100 mm pipelines. The advantages of using transceiver rather than separate transmitter receiver are discussed in this paper. The sensor arrangement, measurement techniques and hardware preparation are also discussed in this paper. The circuit design details, including the transmitter, receiver and peak detector are also presented and explained. This paper will be useful for the use of further ultrasonic tomography system development. Key words: Ultrasonic tomography; multiphase flow; non–invasive ultrasonic; transceivers; peak detectorDownloads
Published
2012-03-08
Issue
Section
Science and Engineering
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How to Cite
Front–End Design Of An Ultrasonic Tomography Measurement System. (2012). Jurnal Teknologi (Sciences & Engineering), 54(1), 289–298. https://doi.org/10.11113/jt.v54.815