您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 冶金工业 > 穿孔管布水系统均匀性理论及实际差异分析
12111.2002332.200233CFD、。、。X703C1000-4602201415-0099-03AnalysisofDifferencebetweenTheoryandActualityforUniformityofPerforatedPipeWaterDistributionWANGTian-peng1GUOHai-yan2CHENYi1ZHOUQiang-song11.ShanghaiBranchChinaNuclearPowerDesignCo.Ltd.<Shenzhen>Shanghai200233China2.ShanghaiDenovoEnvironmentProtectionCo.Ltd.Shanghai200233ChinaAbstractAmethodtoimprovetheuniformityofwaterdistributionwasputforwardbasedonthetheoreticalcalculationofperforatedpipewaterdistributionuniformityandthesimulationresultsofCFDandbyanalyzingthevelocitypressureandotherrelevantinformation.Theengineeringexampleshowedthatthemicroscopicchangeofflowfieldduringtheporousoutflowhadgreatinfluenceontheuniformityofwaterdistribution.Increasingthenumberofporesatthelowvelocityareacouldimprovetheflowfielddistributionbalancetheflowandoptimizetheuniformityofwaterdistribution.Keywordsperforatedpipewaterdistributionsystemuniformitycomputationalfluiddy-namicsCFD12。v=φ2槡gH、Q=μA2槡gH。Hφ0.98μ0.98A。。。2×330MW。1.2mm0.5~1.0mm。6000mm×6000mm5500mm×3820mm21m2。15m/hQ300m3/h。。DN600、5297mmDN65、1760mm21·99·301520148CHINAWATER&WASTEWATERVol.30No.15Aug.2014250mm。1.0m/s、294L/s、0.6m、44、0.25m、0.065m、lj=1.61m、0.0525m2、827、19、0.17m、35kPa3.5m、25、0.36。1CFDCFX1.0m/s。。。1。1Fig.13Dmodelfordistributionsystem<1×10-4。2。2Fig.2Simulationresultsandanalysis21A、B44.2m/s5%。A、B18458.919481Pa5.5%。。。0.34、0.51、0.68、0.85、1.02、1.19、1.36、1.53、1.7、1.87m4.2、4.2、4.0、3.7、4.3、·001·3015.watergasheat.com4.0、3.4、3.6、3.8、4.1m/s。1。1Tab.1Averagevelocityofdifferentdistancelateralbranchsfromentrance/m/m·s-10.0572.80.3073.50.5574.50.8073.51.0574.21.3074.11.5573.31.8074.02.0572.42.3073.12.5573.8/m/m·s-12.8073.23.0573.93.3073.73.5573.23.8074.44.0573.84.3073.94.5574.24.8073.05.0573.64m/s2.4m/s4.5m/s。33、2。2Tab.2Testpointpressure/m/Pa/Pa/Pa0.0571700020000280000.557110003800280002.0571700013000280003.8076000-1000029000。。。。4。3。3Tab.3Modifiedtestpointpressure/m/Pa/Pa/Pa0.0571500017000270000.557140008800280002.0571800016000280003.80710000-600030000。4①。。②CFX。③。1.J.20084261085-1088.2.J.200826565-67.1982-。E-mailwangtianpeng@cgnpc.com.cn2014-02-24·101·.watergasheat.com3015
本文标题:穿孔管布水系统均匀性理论及实际差异分析
链接地址:https://www.777doc.com/doc-6551842 .html