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《Development of systems for detection, early warning, and control of pipelineleakage in drinking water distribution A case study管道检测预警与控制系统的研制 生活饮用水分配中的渗漏问题》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、JournalofEnvironmentalSciences2011,23(11)18161822Developmentofsystemsfordetection,earlywarning,andcontrolofpipelineleakageindrinkingwaterdistribution:AcasestudyWeifengLi1,WencuiLing1,SuoxiangLiu2,JingZhao2,RuipingLiu1,,QiuwenChen1,ZhiminQiang1,JiuhuiQu11
2、.StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCentreforEco-EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China.E-mail:li.wf@rcees.ac.cn2.BeijingWaterworksGroup,No.12,BeiwaRoad,HaidianDistrict,Beijing100089,ChinaReceived25Octobe
3、r2010;revised12February2011;accepted21February2011AbstractWaterleakageindrinkingwaterdistributionsystemsisaseriousproblemformanycitiesandahugechallengeforwaterutilities.Anintegratedsystemforthedetection,earlywarning,andcontrolofpipelineleakagehasbeendevel
4、opedandsuccessfullyusedtomanagethepipelinenetworksinselectedareasofBeijing.Amethodbasedonthegeographicinformationsystemhasbeenproposedtoquicklyandautomaticallyoptimizethelayoutoftheinstrumentswhichdetectleaks.Methodsarealsoproposedtoestimatetheprobability
5、ofeachpipesegmentleaking(onthebasisofhistoricleakagedata),andtoassistinlocatingtheleakagepoints(basedonleakagesignals).Thedistrictmeteringarea(DMA)strategyisused.GuidelinesandaflowchartforestablishingaDMAtomanagethelarge-scaleloopednetworksinBeijingareprop
6、osed.Thesedifferentfunctionshavebeenimplementedintoacentralsoftwaresystemtosimplifytheday-to-dayuseofthesystem.In2007thesystemdetected102non-obviousleakages(i.e.,14.2%ofthetotaldetectedinBeijing)intheselectedareas,whichwasestimatedtosaveatotalvolumeof2,385
7、,000m3ofwater.Theseresultsindicatethefeasibility,efficiencyandwiderapplicabilityofthissystem.Keywords:drinkingwater;pipelineleakage;leakagedetectionandforecast;discretemeteringarea;geographicinformationsystemDOI:10.1016/S1001-0742(10)60577-3Citation:LiWF,Li
8、ngWC,LiuSX,ZhaoJ,LiuRP,ChenQWetal.,2011.Developmentofsystemsfordetection,earlywarning,andcontrolofpipelineleakageindrinkingwaterdistribution:Acasestudy.JournalofEnvironmentalSciences,23(11):18161822Introductionwater