基于负压波原理的管道泄漏检测技术研究

Study on the Pipeline Leakage Detection Technology Based on Principle of Negative Pressure Wave

文中总结了管道泄漏检测方法的原理及特点,针对负压波法管道泄漏检测进行了讨论,分析了该方法的工作原理,以及负压波波速、管内介质流速、采样误差、虚假警报对管道泄漏定位精度的影响。在此基础上,通过实验研究了负压波法对管道泄漏检测的适应性,误差介于-10.21%~10.39%之间。

This paper summarized principle and characteristics of the pipeline leak detection methods. The negative pressure wave method pipeline leakage detection was discussed. The working principle of this method was analyzed,and the influence of various factors on the positioning accuracy was analyzed such as the negative pressure wave velocity,tube medium velocity,sampling error and false alarm. On this basis,the adaptability on the negative pressure wave method for pipeline leak detection was experimentally studied,and the relative error is between-10.21% ~ 10.39%.