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46820154YangtzeRiverVol.46No.8Apr.20152014-12-25“”2008ZX07315-001-03。E-mailzhaijun99@126.com1001-4179201508-0044-031124000452D-PIV。。。2D-PIVTV674ADOI10.16232/j.cnki.1001-4179.2015.08.011。———20102149km1.5~3.5m0.3‰~0.5‰73.9km1。、。。。。、、2-5。、、3。。2D-PIV。11.11。、33550mm。。、、4。1.22D-PIV1.051~5μm。9。300~8500mm0.2m/s。150mm45°。185mm×185mm50mm×185mm1b。122.19。、、、12。19/mm/mm/Hz/r·min-1/m·s-1/m·s-110.2980.3504.42460.130.4720.3840.4174.82690.190.4930.4560.4955.22910.210.5240.6450.7015.93300.240.5350.7670.8336.23470.260.5661.0781.1656.53640.290.6071.4081.6517.54200.340.6682.0072.3628.54760.380.6892.8453.3279.05040.410.71“”“”。2.22D-PIV。、。。13.5Hz756r/min0.21m/s0.64m/s0.87m/s3.327mm。29/mm/mm/Hz/r·min-1/m·s-1/m·s-1/m·s-110.2980.3509.05040.400.700.1520.3840.4179.25150.420.710.1530.4560.4959.55320.440.720.1640.6450.70110.05600.490.710.1750.7670.83310.25710.500.740.1861.0781.16510.45820.510.730.1871.4081.65112.06720.580.780.1982.0072.36213.07280.610.810.2192.8453.32713.57560.640.870.212.3167。0.41m/s0.71m/s3.327mm9。2680.64m/s0.87m/s0.21m/s3.327mm9。2.4、、2~4。2756r/min0.64m/s0.87m/s。3504r/min3.327mm9。2~4。5420152344756r/min3.327mm9。24。34。。。31。2。。3。1.2010M.2010.2.AT89C51J.201012165-167.3.J.2009646-48.4.J.20084161-163.5.J.199622852-54.Experimentalresearchforparametersofmechanicaldredgingsystemfordrainingpipe-canalwithlargediameterZHAIJunCHENSiLIHuafeiKeyLaboratoryofThreeGorgesReservoirRegion'sEco-EnvironmentofMinistryofEducationChongqingUniversityChongqing400045ChinaAbstractToprovidethecorrelativeparameterforthedesignofmechanicaldredgingsystemoflargedrainingpipe-canalaplexiglassdrainingmodeltestusingthepropellermixerwasconductedinwhichthesandparticlewasadoptedasrepresentativedepositand2D-PIVsystemwasusedasthemeasuringdevice.Throughthetesttheflow-fieldintwocaseswasstudiednamelytheincipientmotionandsuspensionofdifferentsizeparticlesthatwerestirredbypropeller.Theeffectandlawofinterac-tionbetweenflowstateandsandparticleundermechanicalstirisdiscussed.Themodeltestverifiestheapplicabilityofdredgingbymechanicalmixinginwhichthesizeofincipientandsuspensionparticlescouldbecontrolledbyrotatingspeedofpropellersoitisapplicabletostrengthenthedredgingeffectbyboostingthepropellerspeed.Keywordsdredgingofcanalmechanicalstirflowfield2D-PIV64
本文标题:大管径排水管渠机械搅拌清淤参数试验研究
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