外来水的大量入侵对排水管网的健康运行造成了极大的负面影响,精准识别和定位外来水是实现管网低水位健康运行的首要任务。基于搭建的室内全尺寸排水管道试验平台,进行了不同温差、管道充满度、外来水占比三个变量下的分布式光纤温度传感系统(DTS)测量试验,探讨了DTS在不同运行工况下识别排水管道外来水的可行性及其测量结果的准确性。结果表明,DTS识别外来水的可行性主要取决于外来水的占比,温差主要影响混合后水流的温度,充满度则主要影响响应时间;DTS定位外来水的精度达到设定的0.5 m
Oleksandr Panasiuk,Annelie Hedström,Jeroen Langeveld,Cornelis de Haan,Erik Liefting,Remy Schilperoort,Maria Viklander.Using Distributed Temperature Sensing (DTS) for Locating and Characterising Infiltration and Inflow into Foul Sewers before, during and after Snowmelt Period[J].Water,2019.
Beheshti M,Sægrov S.Detection of extraneous water ingress into the sewer system using tandem methods - a case study in Trondheim city.[J].Water science and technology : a journal of the International Association on Water Pollution Research,2019.
Maryam Beheshti,Sveinung Sægrov.Quantification Assessment of Extraneous Water Infiltration and Inflow by Analysis of the Thermal Behavior of the Sewer Network[J].Water,2018.
Schilperoort Rémy,Hoppe Holger,de Haan Cornelis,Langeveld Jeroen.Searching for storm water inflows in foul sewers using fibre-optic distributed temperature sensing.[J].Water science and technology : a journal of the International Association on Water Pollution Research,2013.
Guo Shuai,Zhang Tuqiao,Zhang Yiping,Zhu David Z.An approximate solution for two-dimensional groundwater infiltration in sewer systems.[J].Water science and technology : a journal of the International Association on Water Pollution Research,2013.
O.A.C. Hoes,R.P.S. Schilperoort,W.M.J. Luxemburg,F.H.L.R. Clemens,N.C. van de Giesen.Locating illicit connections in storm water sewers using fiber-optic distributed temperature sensing[J].Water Research,2009.
Kracht O,Gujer W.Quantification of infiltration into sewers based on time series of pollutant loads.[J].Water science and technology : a journal of the International Association on Water Pollution Research,2005.
Weiss G,Brombach H,Haller B.Infiltration and inflow in combined sewer systems: long-term analysis.[J].Water science and technology : a journal of the International Association on Water Pollution Research,2002.