Pipe irregularities mapping using tomographic instrumentation system
Formation of irregularities on the inner surface of pipes is a common phenomenon that leads to corrosion and affects the functionality in the processing industries. Ultrasonic is known as one of the non-destructive means to address the formation of irregularities inside pipes. In this study, an ultr...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Academic Journals
2021
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/98325/1/MarianiIdroas2021_PipeIrregularitiesMappingUsingTomographic.pdf http://eprints.utm.my/id/eprint/98325/ http://dx.doi.org/10.5897/JPGE2021.0349 |
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| Summary: | Formation of irregularities on the inner surface of pipes is a common phenomenon that leads to corrosion and affects the functionality in the processing industries. Ultrasonic is known as one of the non-destructive means to address the formation of irregularities inside pipes. In this study, an ultrasonic measurement system is developed to detect the presence of internal irregularities in a pipe. An ultrasonic sensor EFC16T/R-2 with a frequency of 40 kHz was mounted outside the test pipe with a circular ring sensor unit. Different conditions of the inner pipe surface had caused fluctuations of the ultrasonic signal. The results show a low output voltage in the range of 2.1333 to 3.1334 V when no irregularities were detected. A higher output voltage was observed in the range of 5.4677 to 8.8667 V when irregularities occurred. The reconstructed images of irregularities had matched the actual condition of the pipe. Some images showed a slight inaccuracy of the position of the irregularities caused by the instability of the ultrasonic signals. Overall, the developed ultrasonic tomography is suitable as a tool for monitoring irregularities in a pipe. |
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