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    Particle Trajectories in a Gas Centrifuge

    Source: Journal of Fluids Engineering:;1961:;volume( 083 ):;issue: 003::page 333
    Author:
    A. R. Kriebel
    DOI: 10.1115/1.3658957
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The motion of spherical particles injected into a cylinder of gas which rotates as a solid body has been studied. The particle trajectory is expressed explicitly as a function of two dimensionless parameters; an injection-velocity parameter and an inertial parameter which is roughly the ratio of centrifugal force to drag force on the particle. The main results are the dependence on particle size of the time for particles to be centrifuged and of deposition angle. These results indicate performance limitations for an idealized cyclone separator and a centrifugal particle-size analyzer. Experimental data are presented for an air centrifuge which was designed to approximate the analytical flow model. Reasonably good agreement with theoretically predicted deposition angles was found for spherical glass beads and irregularly shaped chalk crystals, even to Reynolds numbers in excess of the Stokes flow regime for which the analysis applies. Particles as small as 2 microns may be classified with the present centrifuge configuration; however, by modification it might be used to classify particles in the submicron-size range.
    keyword(s): Particulate matter , Particle size , Force , Flow (Dynamics) , Crystals , Chalk , Motion , Centrifugal force , Drag (Fluid dynamics) , Reynolds number , Glass beads , Trajectories (Physics) , Creeping flow AND Cylinders ,
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      Particle Trajectories in a Gas Centrifuge

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    http://yetl.yabesh.ir/yetl1/handle/yetl/163375
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    contributor authorA. R. Kriebel
    date accessioned2017-05-09T01:35:43Z
    date available2017-05-09T01:35:43Z
    date copyrightSeptember, 1961
    date issued1961
    identifier issn0098-2202
    identifier otherJFEGA4-27232#333_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/163375
    description abstractThe motion of spherical particles injected into a cylinder of gas which rotates as a solid body has been studied. The particle trajectory is expressed explicitly as a function of two dimensionless parameters; an injection-velocity parameter and an inertial parameter which is roughly the ratio of centrifugal force to drag force on the particle. The main results are the dependence on particle size of the time for particles to be centrifuged and of deposition angle. These results indicate performance limitations for an idealized cyclone separator and a centrifugal particle-size analyzer. Experimental data are presented for an air centrifuge which was designed to approximate the analytical flow model. Reasonably good agreement with theoretically predicted deposition angles was found for spherical glass beads and irregularly shaped chalk crystals, even to Reynolds numbers in excess of the Stokes flow regime for which the analysis applies. Particles as small as 2 microns may be classified with the present centrifuge configuration; however, by modification it might be used to classify particles in the submicron-size range.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleParticle Trajectories in a Gas Centrifuge
    typeJournal Paper
    journal volume83
    journal issue3
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.3658957
    journal fristpage333
    journal lastpage339
    identifier eissn1528-901X
    keywordsParticulate matter
    keywordsParticle size
    keywordsForce
    keywordsFlow (Dynamics)
    keywordsCrystals
    keywordsChalk
    keywordsMotion
    keywordsCentrifugal force
    keywordsDrag (Fluid dynamics)
    keywordsReynolds number
    keywordsGlass beads
    keywordsTrajectories (Physics)
    keywordsCreeping flow AND Cylinders
    treeJournal of Fluids Engineering:;1961:;volume( 083 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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