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在供水中,漏水量一般要占整个配水量的10％以上,法国巴黎市自来水公司于1978年研究一种高效率漏水探测技术的方法即相关法。常规的听音法,与使用装置的性能和操作人员的技术有关,有时不能进行漏水探测。如在公路近旁探测,由于公路上车辆声等周围杂音过大而完全覆盖了漏水音,故需要长时间的作业或者夜间作业。当管道埋深较大时(如2米以上),由于地中漏水音的衰减过大,因而漏水位置的推测非常困难或者根本不可能。根据漏水音来寻找漏水位置的方法,因漏水音在地中传播的路线是间接性的,所以常常
In water supply, the leakage of water generally accounts for more than 10% of the total amount of water distribution. In France in 1978, the Paris Water Company studied a method of high-efficiency leak detection technology, that is, related methods. Conventional listening methods are related to the use of the device’s performance and the operator’s technology. Sometimes, leak detection is not possible. For example, in the vicinity of the highway, due to the excessive noise around the road and the sound of vehicles, it completely covers the leaking sound, so it takes a long time or night operation. When the depth of the pipeline is large (for example, more than 2 meters), because the attenuation of the leakage sound in the ground is too large, it is difficult or impossible to infer the location of the leakage. According to the leaking sound to find the location of the leak, because the route of leaking sound in the ground is indirect, so often