NDLI: A case study: Monitoring heat exchanger based on vibration sensors and nondestructive testing technique

Content Provider	IEEE Xplore Digital Library
Author	Mulan Pang Lei Shu Jianjian Lu Xufeng Zhu Rodrigues, J.
Copyright Year	2013
Description	Author affiliation: Dept. of Inf., Univ. of Beira Interior, Covilha, Portugal (Rodrigues, J.) \|\| Guangdong Petrochem. Equip. Fault Diagnosis Key Lab., Guangdong Univ. of Petrochem. Technol., Maoming, China (Mulan Pang; Lei Shu; Jianjian Lu; Xufeng Zhu)
Abstract	Flow-induced tube vibration could cause serious damage on large-scale circulating-water heat exchanger in factories, e.g., atomic reactors, nuclear power plants, petroleum and chemical industry. Therefore, efficient inspection technology is very important for heat exchanger's blockage and leakage. The existing detection technologies, like temperature test and pressure test, are very easily affected by extraneous factors, e.g., temperature and pressure, while the nondestructive testing technology based on vibration sensors is free from above limits. In this paper, we use vibration sensors to detect blockage and leakage of the circulating-water heat exchanger. According to the experimental results, it is found that when detecting heat exchanger's blockage and leakage with vibration sensors, environmental vibration from the working machines has influence upon the result, while pump vibration and vibration produced by liquid flowing through regulating-valve make little difference. Nevertheless, fault diagnosis of large-scale circulating-water heat exchanger, which uses nondestructive testing technology based on vibration sensors, needs to be further improved.
Starting Page	511
Ending Page	516
File Size	2004169
Page Count	6
File Format	PDF
ISBN	9781479914067
DOI	10.1109/ChinaCom.2013.6694649
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Fault diagnosis Temperature sensors Heating Heat exchanger Time domain analysis Electron tubes Vibration sensor Time-domain analysis
Content Type	Text
Resource Type	Article

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