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Title
Japanese: 
English:Numerical study on porosity distribution and hydrodynamics of packed bed in narrow square channels 
Author
Japanese: HAMZAHAnthony Bas, 大川原真一, 吉川史郎, 松本秀行.  
English: Anthony Basuni Hamzah, Shinichi OOKAWARA, SHIRO YOSHIKAWA, Hideyuki Matsumoto.  
Language English 
Journal/Book name
Japanese: 
English:Chemical Engineering and Processing - Process Intensification 
Volume, Number, Page        
Published date May 2021 
Publisher
Japanese: 
English:ELSEVIER 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Abstract Recentlysquare-channelpackedbedreactorswithmicrotomillidimensionsareoftenfoundintheliteratureonprocess intensification. However, its porosity profiles and resultant flow behaviors have been overlooked.Therefore,thisstudyproposestwonewCFDapproachestomodelsuchreactorsrelyingontheaccuratelocalporosityprofilesinthesquarebed.Discreteelementmethodwasemployedtomodelrandompackedbedsofmonodispersesphericalparticlesinsquarechannelswithchannel-to-particlesizeratioof3to10.Theobtainedlateralporosityprofileswereaxiallyaveragedandexpressedasafunctionofdistancefromthewallinthreedefinedzones.MomentumsourcetermtobeaddedinthemomentumconservationequationwascalculatedbasedonthelocalporosityprofilefunctionsinCorrelations-basedContinuum(CC)approach,whileontheaxially-averagedporosityprofilesinPseudo-ParticleResolved(PPR)approach.Thesquarebeds’hydrodynamicbehaviorswereinvestigatedusingCCandPPRapproaches,whichwerevalidatedwithParticleResolvedap-proachintermsofvelocityprofile,andwithempiricalcorrelationsforpressuredrop.

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