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过程工程学报 2006
NumericalSimulationofMacroscopicMixinginaRushtonImpellerStirredTankKeywords: macroscopicmixing,stirredtank,residencetimedistribution,mixingtime,numericalsimulation Abstract: Themacroscopicmixinginastirredtankwithdifferenttracerinjectionlocations,impellerspeedsandimpellerpositionsissimulatednumericallybysolvingthetransportequationofthetracerbasedonthewholeflowfieldinthebaffledtankwithaRushtondiskturbinenumericallyresolvedusingtheimprovedinner-outeriterativeprocedure.Predictedmixingtimeiscomparedwellwiththeliteraturecorrelations.Thepredictedresidencetimedistributionofthestirredtankisveryclosetothepresentexperimentalresults.Theeffectoftheinstallationofadrafttubeonthemixingtimeandresidencetimedistributionsisaddressed.
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