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时间:2020-03-27
《Optimization of Cyclone Separators Using Genetic Algorithm 基于遗传算法地旋风分离器优化.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、InternationalReviewofChemicalEngineering(I.RE.CH.E.),Vol.2,N.6November2010OptimizationofCycloneSeparatorsUsingGeneticAlgorithm12S.I.Pishbin,M.MoghimanAbstract–Severalclassicalapproachesfordesigningcycloneseparatorshavebeenpresentedtilltoday.Althoughtheseapproac
2、heshaveworkedwellincertaincircumstances,theymaynotalwaysleadtothebestpossibledesigns.Thispaperpresentsarobustperformanceoptimizationmethodforcycloneseparatorsusinggeneticalgorithm.Theeffectsofsevengeometricaldesignparametersonefficiencyandpressuredropareinvesti
3、gatedsimultaneously.Forcalculatingtheseperformancecharacteristics,agas-solidmultiphaseflowsimulationisusedtomodelthetwo-phaseflowinsidethecyclone.Theproposedcomputationalfluiddynamicmodelisemployedtoformulatetheobjectivefunctions,whicharethepre-requisiteofgenet
4、icalgorithm.Thesimultaneousoptimizingofcycloneparametersrevealstheprofoundeffectsoftheconicalheightandslope,onbothefficiencyandpressuredropofcycloneseparators.Theresultsalsoshowthatbyincreasingtheefficiencyover85percent,pressuredropwillbeincreasedsignificantly.
5、Copyright©2010PraiseWorthyPrizeS.r.l.-Allrightsreserved.Keywords:Cyclone,Efficiency,GeneticAlgorithm,PressureDrop,WeightingCoefficientNomenclatureGreekLetteraInletheight(-)αSlopeofconicalpartofthecyclone(-)BConediameter(-)∆pPressuredrop(Pa)CDDragcoefficient(-)η
6、(d)CollectionefficiencyinthespecificdiameterdpParticlesize(m)(%)DCyclonediameter(m)µViscosity(Pas)DeVortexfinderdiameter(m)3ρgGasdensity(kg/m)fk(x)Objectivefunction(-)3ρpParticledensity(kg/m)FDDraggingforce(N)hConeheight(m)HCyclonebodyheight(m)I.IntroductionMp,
7、iistheconversionmomentumbetweensolidparticleandgasfluidflowCycloneseparatorshavebeenusedwidelyduringthisninNumberofparticleswithspecificdiameterincenturyasamajorgas-cleaningdevice.Thestandardinlet(-)designsavailablenow,wereperfecteddecadesagoonthenoutNumberofse
8、paratedparticleswithspecificbasisofpracticalexperienceandinsightbutoftendiameterinoutlet(-)withoutquantitativeapplicationoftheprinciplesofRepReynoldsnumberofparticles(-)engi
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