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1、IOPConferenceSeries:MaterialsScienceandEngineeringPAPER•OPENACCESSRelatedcontent-EffectiveThermalPropertyEstimationofSimulationofRoastingMetallurgicalConcentratesUnitaryPebbleBedsBasedonaCFD-DEMCoupledMethodforaFusionBlanketinFluidizedBedUsingCFD-DEMChenLei,ChenYouhua,Huang
2、Kaietal.-ComparativestudyonthepyrolysisbehaviourandkineticsoftwomacroalgaeTocitethisarticle:IIBeloglazovandYVKuskova2017IOPConf.Ser.:Mater.Sci.Eng.221012017biomass(GracilariachangiiandGelidiumpusillum)bythermogravimetricanalysisANRosleeandNFMunajat-Evaluationoftheeffectofro
3、astingprocessontheenergytransitionandthecrystallineViewthearticleonlineforupdatesandenhancements.structuresofArabica,Robusta,andLibericacoffeefromJambiIndonesiaBMPerdana,RManihuruk,RAshyaretal.ThiscontentwasdownloadedfromIPaddress117.165.39.214on28/05/2018at06:02ITE8IOPPubl
4、ishingIOPConf.Series:MaterialsScienceandEngineering1234567890221(2017)012017doi:10.1088/1757-899X/221/1/012017SimulationofRoastingMetallurgicalConcentratesinFluidizedBedUsingCFD-DEMIIBeloglazova,YVKuskovaSaint-PetersburgMiningUniversity,MineralProcessingDepartment199106,St.
5、Petersburg,VasilevskyIsland,21line2,RussiaE-mail:afilosofem@mail.ruAbstract.Inthisstudy,weutilizedmultiphasecomputationalfluiddynamics(CFD),anddiscreteelementmethod(DEM).Effectofthekineticparametersoftheroastingprocessinafluidizedbedwasinvestigated.Ourresultsindicatethatiti
6、spossibletonumericallyintegratethecoupledCFD-DEMsystemwithoutsignificantlyincreasingcomputationaloverhead.Itisalsoclear,however,thatreactoroperatingconditions,reactionkinetics,andmultiphaseflowdynamicshavemajorimpactsontheroastingproductsexitingthereactor.Wefindthat,withthe
7、samepre-exponentialfactorsandmeanactivationenergies,inclusionofdistributedactivationenergiesinthekineticscanshiftthepredictedaveragevalueoftheexitgas-solid-phaseanditsstatisticaldistribution,comparedtosingle-valuedactivation-energykinetics.Thesefindingsimplythataccuratereso
8、lutionofthereactionactivationenergydistributionswillbeimportantforoptimizingroasti
