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    Gas–Solid Particle Flow in Horizontal Channels: Decomposition of the Particle-Phase Flow and Interparticle Collision Effects

    Source: Journal of Fluids Engineering:;2007:;volume( 129 ):;issue: 006::page 702
    Author:
    Alexander Kartushinsky
    ,
    Efstathios E. Michaelides
    DOI: 10.1115/1.2734202
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper examines the turbulent flow of heavy particles in horizontal channels and pipes. Calculations for the fluid are performed within an Eulerian frame of reference, while the particulate phase is considered as several continuous polydisperse media, each constituting a separate phase. The interparticle collisions include two mechanisms: collisions with sliding friction and collisions without sliding friction. The collisions of particles are accounted for, by collisions due to the difference in the average and fluctuating velocities of the several particulate fractions. This work introduces an original model for the closure for the mass and momentum equations based on the collisions as well as an original description of the particle motion in a horizontal channel, by introducing the decomposition of the particle-phase motion into two types of particle phases: falling and rebounding particles. The decomposition allows the correct calculation of the influence of the wall on the motion of particles.
    keyword(s): Particulate matter , Collisions (Physics) , Flow (Dynamics) , Sliding friction , Equations , Channels (Hydraulic engineering) AND Turbulence ,
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      Gas–Solid Particle Flow in Horizontal Channels: Decomposition of the Particle-Phase Flow and Interparticle Collision Effects

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    http://yetl.yabesh.ir/yetl1/handle/yetl/135980
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    contributor authorAlexander Kartushinsky
    contributor authorEfstathios E. Michaelides
    date accessioned2017-05-09T00:24:11Z
    date available2017-05-09T00:24:11Z
    date copyrightJune, 2007
    date issued2007
    identifier issn0098-2202
    identifier otherJFEGA4-27247#702_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/135980
    description abstractThis paper examines the turbulent flow of heavy particles in horizontal channels and pipes. Calculations for the fluid are performed within an Eulerian frame of reference, while the particulate phase is considered as several continuous polydisperse media, each constituting a separate phase. The interparticle collisions include two mechanisms: collisions with sliding friction and collisions without sliding friction. The collisions of particles are accounted for, by collisions due to the difference in the average and fluctuating velocities of the several particulate fractions. This work introduces an original model for the closure for the mass and momentum equations based on the collisions as well as an original description of the particle motion in a horizontal channel, by introducing the decomposition of the particle-phase motion into two types of particle phases: falling and rebounding particles. The decomposition allows the correct calculation of the influence of the wall on the motion of particles.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleGas–Solid Particle Flow in Horizontal Channels: Decomposition of the Particle-Phase Flow and Interparticle Collision Effects
    typeJournal Paper
    journal volume129
    journal issue6
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.2734202
    journal fristpage702
    journal lastpage712
    identifier eissn1528-901X
    keywordsParticulate matter
    keywordsCollisions (Physics)
    keywordsFlow (Dynamics)
    keywordsSliding friction
    keywordsEquations
    keywordsChannels (Hydraulic engineering) AND Turbulence
    treeJournal of Fluids Engineering:;2007:;volume( 129 ):;issue: 006
    contenttypeFulltext
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