Non-destructive evaluation is an important part of the process to assure the quality of goods in manufacturing lines. This paper presents a comparative study of two methods of leak testing using acoustic waves. The objective of the experiment is to evaluate the response of ultrasonic-based techniques for leak testing. The first method is based on an active arrangement, which detects leaks by analyzing acoustic data generated by the gas leakage, which is measured by an ultrasound transducer. The second one is also based on ultrasonic signals, but it uses a passive arrangement in which an ultrasound emitter is placed inside the vessel. The leakage is then detected because the fluid from inside the vessel conducts the sonic signal to an external ultra-sound detector through the discontinuity. Data from a practical case study are presented and, based on the experimental results with real defective parts, strong points and weaknesses of each method are discussed and evaluated.
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ASME 2017 Pressure Vessels and Piping Conference
July 16–20, 2017
Waikoloa, Hawaii, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5798-4
PROCEEDINGS PAPER
Leak Detection in Pressure Vessels Using Ultrasonic Techniques
Guilherme Ranzolin Piazzetta,
Guilherme Ranzolin Piazzetta
Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Rodolfo César Costa Flesch,
Rodolfo César Costa Flesch
Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Antonio Luiz Schalata Pacheco
Antonio Luiz Schalata Pacheco
Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Guilherme Ranzolin Piazzetta
Universidade Federal de Santa Catarina, Florianópolis, Brazil
Rodolfo César Costa Flesch
Universidade Federal de Santa Catarina, Florianópolis, Brazil
Antonio Luiz Schalata Pacheco
Universidade Federal de Santa Catarina, Florianópolis, Brazil
Paper No:
PVP2017-65178, V005T10A002; 9 pages
Published Online:
October 26, 2017
Citation
Ranzolin Piazzetta, G, Costa Flesch, RC, & Schalata Pacheco, AL. "Leak Detection in Pressure Vessels Using Ultrasonic Techniques." Proceedings of the ASME 2017 Pressure Vessels and Piping Conference. Volume 5: High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); SPC Track for Senate. Waikoloa, Hawaii, USA. July 16–20, 2017. V005T10A002. ASME. https://doi.org/10.1115/PVP2017-65178
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