Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5281
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dc.contributorDepartment of Mechanical Engineering-
dc.creatorZhang, LX-
dc.creatorLin, JZ-
dc.creatorChan, TL-
dc.date.accessioned2014-12-11T08:29:01Z-
dc.date.available2014-12-11T08:29:01Z-
dc.identifier.issn1070-6631 (print)-
dc.identifier.issn1089-7666 (online)-
dc.identifier.urihttp://hdl.handle.net/10397/5281-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in L.-. Zhang, J.-. Lin & T. L. Chan, Physics of Fluids 17, 093105 (2005) and may be found at http://link.aip.org/link/?phf/17/093105en_US
dc.subjectSuspensionsen_US
dc.subjectTwo-phase flowen_US
dc.subjectTurbulence diffusionen_US
dc.subjectPipe flowen_US
dc.subjectConvectionen_US
dc.subjectShear turbulenceen_US
dc.titleOrientation distribution of cylindrical particles suspended in a turbulent pipe flowen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage8-
dc.identifier.volume17-
dc.identifier.issue9-
dc.identifier.doi10.1063/1.2046713-
dcterms.abstractA model of turbulent cylindrical particle suspensions is proposed to predict the orientation distribution of particles. The fluctuating equation for the orientation distribution function (ODF) of cylindrical particles is theoretically solved using the method of characteristics. The orientation-correlated terms in the mean equation for the ODF due to the random motion of cylindrical particles are related to the correlations of the mean ODF and the fluid velocity gradient. Thus, the evolution of the mean ODF is described by a modified convection-dispersion equation. The model and modified equation are used to calculate the ODF in a pipe flow numerically. The results compare qualitatively with the experimental data and show that the turbulent dispersion makes cylindrical particles have a broad orientation distribution, while the velocity gradient plays an opposite role. The increase of the particle aspect ratio leads to a less aligned distribution in the vicinity of the axis and a narrower orientation distribution at positions far from the axis.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysics of fluids, Sept. 2005, v. 17, no. 9, 093105, p. 1-8-
dcterms.isPartOfPhysics of fluids-
dcterms.issued2005-09-
dc.identifier.isiWOS:000232165200019-
dc.identifier.scopus2-s2.0-27144434011-
dc.identifier.rosgroupidr25613-
dc.description.ros2005-2006 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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