Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe

The formation of irregularities inside pipes is a common phenomenon that occurs in the chemical industry. The presence of irregularities on the surface of the internal pipe wall can lead to corrosion which eventually reduces its own integrity for operation. Many methods have been developed for the p...

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Main Author:	Ramli, Mohd. Khairul Naim
Format:	Thesis
Language:	English
Published:	2015
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/id/eprint/78223/1/MohdKhairulNaimMFPREE2015.pdf
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id	my-utm-ep.78223
record_format	uketd_dc
spelling	my-utm-ep.782232018-07-30T08:51:26Z Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe 2015-04 Ramli, Mohd. Khairul Naim TP Chemical technology The formation of irregularities inside pipes is a common phenomenon that occurs in the chemical industry. The presence of irregularities on the surface of the internal pipe wall can lead to corrosion which eventually reduces its own integrity for operation. Many methods have been developed for the prevention and detection of this problem. An ultrasonic is one of the non-destructive methods used in the industrial sector. An ultrasonic instrumentation system has been developed in this project to detect the presence of internal irregularities in a pipe. The variations of ultrasonic signals were observed in the experiment when it passed through different conditions of the internal pipe surfaces. An ultrasonic Sensor EFC16T/R-2 with a frequency of 40 kHz was mounted outside the test pipe using a circle ring sensoring unit. The results showed that there were changes of output voltage when there were irregularities detected in the ultrasonic path. The output voltage was low in the range of 2.1333V to 3.1334V when there were no irregularities detected inside the steel pipe. The increase in output voltage from 5.4677V to 8.8667V indicated that the absorption of ultrasonic signals by irregularities had occurred. The collected data were processed using Matlab software to reconstruct the images inside the pipe. The reconstructed images showed the irregularities detected inside the pipe that resembled the actual conditions of the pipe. However, several images showed a slight inaccuracy of irregularities position in the test pipe compared to the actual condition of the pipe. This was due to the instability of ultrasonic signals, which could be easily affected by environmental factors and the presence of noise during the experiment. Nonetheless, it is believed that the developed ultrasonic tomography was able to monitor any irregularities present inside a pipe. 2015-04 Thesis http://eprints.utm.my/id/eprint/78223/ http://eprints.utm.my/id/eprint/78223/1/MohdKhairulNaimMFPREE2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:105062 masters Universiti Teknologi Malaysia, Faculty of Petroleum and Renewable Energy Engineering Faculty of Petroleum and Renewable Energy Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Ramli, Mohd. Khairul Naim Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
description	The formation of irregularities inside pipes is a common phenomenon that occurs in the chemical industry. The presence of irregularities on the surface of the internal pipe wall can lead to corrosion which eventually reduces its own integrity for operation. Many methods have been developed for the prevention and detection of this problem. An ultrasonic is one of the non-destructive methods used in the industrial sector. An ultrasonic instrumentation system has been developed in this project to detect the presence of internal irregularities in a pipe. The variations of ultrasonic signals were observed in the experiment when it passed through different conditions of the internal pipe surfaces. An ultrasonic Sensor EFC16T/R-2 with a frequency of 40 kHz was mounted outside the test pipe using a circle ring sensoring unit. The results showed that there were changes of output voltage when there were irregularities detected in the ultrasonic path. The output voltage was low in the range of 2.1333V to 3.1334V when there were no irregularities detected inside the steel pipe. The increase in output voltage from 5.4677V to 8.8667V indicated that the absorption of ultrasonic signals by irregularities had occurred. The collected data were processed using Matlab software to reconstruct the images inside the pipe. The reconstructed images showed the irregularities detected inside the pipe that resembled the actual conditions of the pipe. However, several images showed a slight inaccuracy of irregularities position in the test pipe compared to the actual condition of the pipe. This was due to the instability of ultrasonic signals, which could be easily affected by environmental factors and the presence of noise during the experiment. Nonetheless, it is believed that the developed ultrasonic tomography was able to monitor any irregularities present inside a pipe.
format	Thesis
qualification_level	Master's degree
author	Ramli, Mohd. Khairul Naim
author_facet	Ramli, Mohd. Khairul Naim
author_sort	Ramli, Mohd. Khairul Naim
title	Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
title_short	Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
title_full	Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
title_fullStr	Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
title_full_unstemmed	Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
title_sort	tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe
granting_institution	Universiti Teknologi Malaysia, Faculty of Petroleum and Renewable Energy Engineering
granting_department	Faculty of Petroleum and Renewable Energy Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/78223/1/MohdKhairulNaimMFPREE2015.pdf
_version_	1747817937183440896

Tomographic instrumentation system based on ultrasonic sensor for monitoring irregularities in pipe

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