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NDT.net Issue: 2023-01 EWGAE35 & ICAE10 Conference on Acoustic Emission Testing, Ljubljana, Slovenia, September 2022 (EWGAE 2022) | Vol. 28(1) Special Issue of e-Journal of Nondestructive Testing (eJNDT) ISSN 1435-4934 Vol. 28(1) Session: Companies in action | ||||
Internet of things acoustic emission for unattended quantitative leakage monitoringJiehui Xie, Zhipeng Xie, Yating LiuQingcheng AE Institute (Guangzhou) Co., Ltd, Guangzhou, China Abstract: This paper analyzes the theoretical basis of acoustic emission monitoring of leakage in principle. Based on the actual field leakage experiments, the following quantitative relationships are obtained: the quantitative relationship between the amount of leakage and the acoustic emission parameters under the same pressure; the quantitative relationship between different pressures, acoustic emission parameters and leakage rate under the condition of the same valve opening; the characteristic relationship between different leakage openings and acoustic emission parameters under the same pressure difference (tank wall plug). An online experimental demonstration system of leakage rate of water pipes is established. The acoustic emission collector automatically detects the leakage and leakage rates, and transmits the data to the cloud server. After the alarm conditions are set, the alarms will be pushed to the mobile phone if the alarm conditions are met. The cloud server is open for readers to view the results. Keywords: Quantitative (49), Leakage (7), Acoustic emission (311), Internet of things (6), unattended, alarm, Comments or Questions? Share:
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