综合建筑空调水系统中冷冻水泵的节能匹配方法Ξ

X1),2)2)1)1)1)()2)(),,,Thematchingmethodsofenergysavingforchilledwaterpumpofair2conditioningwatersystemforbuildingLiYongcun1),2)ChenShuping2)LinAihui1)LiYiqun2)1)(HunanUniversityofScienceandTechnology)2)(LanzhouUniversityofScienceandTechnology)ABSTRACTAimingatthephenomenonoftwolowsandonemuchswhichexistsatlargeintherunningofwatersystemofair2conditioningnowadays,presentstheschemeandmethodonenergysavingmatchforair2conditioningwatersysteminthesyntheticalbuilding,illustratestheexampleofitsengineeringapplication,anglyzesandcomparesitscharacteristicsandstatustheroutinematchmethodsofthepresent.KEYWORDSenergysaving;syntheticalbuilding;performancecurve,45%,65%[1],,18%,11.7%,,,,,,,,,,[2],,1,,,,,[3],,5,,3.5,1.52,1.5,[4]7220074REFRIGERATIONANDAIR-CONDITIONING83285X:2006202207:,Email:[e-mail]2,,,,,:G=Q/(ct3600)(1):N=HG/102=H3672000ctQ(2):Q(kJ/h);c,c=4.1868kJ/(kg);,=1000kg/m3;t,t=5()t=1015();,0.50.6;H(kPa);G(m3/s);N(kW),,,,[5],,,,,:3,2,1,3:2,1,,?,3,,10,12,;KTVVIP,53172m2,,,,48580m2,(1)17:008:009:0010:00/(kW)1481157116571800/(m3/s)0.0700.0750.0790.08611:0012:0013:0014:00/kW1990238236003695/(m3/s)0.0950.1140.1720.17715:0016:0017:0018:00/kW2963319433954430/(m3/s)0.1890.1530.1620.21219:0020:0021:0022:00/kW4024390037303548/(m3/s)0.1920.1860.1780.169,6,Qmax=4430kW,Gmax=0.212m3/s10%,[6],3,21,:KBZ1002802125,12,75%:13:00,16:00,17:00,18.75%;1,7:00,8:00,9:0075%,18.75%,3,2,1,3,?3,21,2,,2KBZ1002802125,1KBZ602402120(2)2KBZ1002802125;1KBZ602402120,,,4871KBZ10028021252KBZ12521002160B4:3,2,1,3,,3,2,2,2,2;,,,2,,[1]..:,1998.[2]..,2002,21(3):62263.[3],..:,1996.[4],..:,2002,18(3):3622363,367.[5],..:,1994.[6]..:,1996.(82)inMicrofinTubes.IntJournalHVAC&RResearch,2001,7(2):1252153.[5]ShinoharaY,etal.HeatTransferTubeswithGroovedIn2nerSurface:US,4658892,1987.[6]SchlagerLM,PateMB,BerglesAE.PerformancePredictionsofRefrigerant2OilMixturesinSmoothandInternally2finnedTubes2PartI,Literaturereview.ASHRAETransactions,1990,96:1602169.[7]OhS2Y,BerglesAE.AComparisonoftheEvaporationHeatTransferandPressureDropofHorizontalSmoothandMicro2finTubes,ConsideringtheEffectofSpiralAngleHeatTransfer1998.Procofthe11thIHTC,Kyongju,Korea,1998,(2):69274.[8]ChiangR.HeatTransferandPressureDropduringE2vaporationandCondensationofRefrigerant222in7.5mmand10mmDiameterAxialandHelicalGroovedTubes.AIChEHeatTransferSymposiumSeries,1993,295(89):2052210.[9]HoriM,ShinoharaH.InternalHeatTransferCharac2teristicsofSmall2DiameterThermofinTubes.HitachiCableReview,1991,(10):85290.[10]GrahamD,ChatoJC,NewellTA.HeatTransferandPressureDropduringCondensationofRefrigerant134ainanAxiallyGroovedTube.IntJofHeatandMassTransfer,1999,42:193521944.[11]SatoY,NosetaniS.HeatTransferPerformanceofSmall2BoreInner2GroovedCopperTubes.Shindo2GijutsuKenkyukai-shi,1990,29:2332239.582: