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112231．3140012．3100183．310020。。。。S152.7A1008-701X201505-0080-03DOI10.13641/j.cnki.33－1162/tv.2015..026ApplicationPracticeofUltrasonicFlowMeterintheCalibrationofPumpingUnitPowerWaterCarryingCapacityPANZhong－liang1GUXiao－lei1WANGWei－han2WANGQian2ZHAOXiao－bo31．WaterResourcesandHydropowerSurveyandDesignResearchInstituteofJiaxingJiaxing314001ZhejiangChina2．ZhejiangUniversityofWaterResourcesandElectricPowerHangzhou310018ZhejiangChina3．ZhejiangInstituteofHydraulics＆EstuaryHangzhou310020ZhejiangChinaAbstractInordertoaccuratelymeasuretheirrigationwaterefficientutilizationcoefficientandgrossirrigationwaterconsumptioninplainrivernetworkwaterpumpingirrigationareaweneedtocalibratetheunitelectricitywatercarryingcapacityundernormalwaterleveloftheirrigationpumpingstation．Weusedultrasonicflowmetertomeasurethepumpflowwhileobservingtheelectricityconsumptionofthepumpstationinthesameperiodobtainingpumpingwatercapacityofperunitofelectricitybycalculatingtheactualpumppower．Theresultsshowthatpumpflowmeasuredislessthantheratedflowandpumpflowobservedbyusingultrasonicflowmeterisclosetothatofsectionvelocitymethodsuggestingthatultrasonicflowmetercanbeusedforthecalibrationofpumpflow．Ultrasonicflowmeterisquickandconvenientwithacertaindegreeofaccuracy．Itisafeasiblemethodtocalibratepumpingunitpowerflowrate．Keywordsultrasonicflowmeterpumpstationunitpowerwatercarryingcapacity2015-01-13RC1419。1982－。E－mail465617273@qq.com1。60%。1。2－5。。。·08·520120159ZhejiangHydrotechnicsNo．5TotalNo．201September201505。2、1%、。。GFM66—UFH01。GFM66—UFH01、、、、20～6000mm±0.5%。。。。2、22V4WZ。。21。1。V=MDsin2θ×ΔΤTup·Tdown1Vm/sDmmθ°MTupminTdownmin△Tmin△T=Tup－Tdown。1。10530。。。。2。2。。、。、。Z、VW。Z231V22W3。3Z33.1QGFM66—UFH01。Z。·18·5min10.5hQ。3.2。P。3.3QP2I=Q/P2Im3/kW·hQm3/hPkW。44.120145—9GFM66—UFH01、、、47。。0.5h。21。1/m3/h/m/m3/h/kW/kW/m3/kW·h300HW－420117201.96687.80119.0076.42300HW－520127921.96381.291510.8235.24300ZB－420066491.15559.831110.3254.25300HW－420017202.07554.10119.0161.501GFM66—UFH014。4.2。4。。LS45AGB/T21303—2007《》6LS45A0.015～3.500m/s±1.50%。22。2/m3/h/m3/h/m3/h/%300HW－4720687.80674.232.01300HW－5792381.29397.18－4.00300ZB－4649559.83554.710.92300HW－4720554.10583.21－4.99。2。±5.00%。。5。1。2。3DN20～DN60002%GB/T21303—2007《》。4GFM66—UFH01、。296·28·54.3、。415。。41、、、。2、。1．J.2007101－3．2．—J．2011719－21．3．J．2013377－79．4．J．2005725．5．J．20052109．6．J．20111272－76．7．J．20131167－170．檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪82、。1．J．2003723－26．2．GB/T50363—2006S．2006．3．SL56—2013S．2013．4PERRYCJ．EfficientirrigationinefficientcommunicationflawedrecommendationsJ．IrrigationandDrainage200756367－378．5．J．2009204590－596．6．GB/T21303－2007S．2007．檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪921．N．2012－09－241．2．J．20121237－43．3．J．201334377－83．4．J．1992115110－112．5．J．200322168－71．6．FLASHMXJ．200423359－63．7．C/SB/SJ．201330366－72．8．J．20131313－15．·69·