Development of ultrasonic leakage sensing unit for the detection of gas leakage in the pipe

被引：1
|
作者：
Cho J.W. [1 ]
Lee J.C. [1 ]
Choi Y.R. [1 ]
机构：
[1] Korea Atomic Energy Research Institute, Korea, Republic of
来源：
Journal of Institute of Control, Robotics and Systems | 2020年 / 26卷 / 07期
关键词：
ASTM E1002-05; Gauge pressure; Leakage; Nozzle; Range; Signal to noise ratio; Ultrasonic;
D O I：
10.5302/J.ICROS.2020.20.0047
中图分类号：
学科分类号：
摘要：
An ultrasonic acoustic leak detector was designed / manufactured to detect piping leakage. The ultrasonic acoustic leak detector board designed / manufactured in this paper was tested in accordance with the American Society for Testing and Materials ASTM E1002-05 class II. There were 10 ultrasonic leak detector boards designed / manufactured, and 2 outdoor, 1 indoor, and 2 mechanical noise environments were used for the tests. Performance verification tests were conducted in three ways. The intensity of the ultrasonic acoustic signal emitted from a nozzle having a size of 0.2 mm under a gauge pressure of about 70 kPa was measured at a distance of 5 m or more. The result of the experiment and verification is described. © ICROS 2020.
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页码：517 / 525
页数：8
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