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dc.contributor.authorLin, JSen_US
dc.contributor.authorTsai, CJen_US
dc.contributor.authorChang, CPen_US
dc.date.accessioned2014-12-08T15:38:27Z-
dc.date.available2014-12-08T15:38:27Z-
dc.date.issued2004-10-01en_US
dc.identifier.issn0021-8502en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.jaerosci.2004.05.007en_US
dc.identifier.urihttp://hdl.handle.net/11536/26334-
dc.description.abstractSuppression of particle deposition from flow through a tube with circular cross-section was investigated numerically and experimentally for the case when the wall temperature exceeds that of the gas. Particle transport equations for convection, diffusion and thermophoresis were solved numerically to obtain particle concentration profiles and deposition efficiencies. The numerical results were validated by particle deposition efficiency measurements with monodisperse particles. For all particle sizes, the particle deposition efficiency was found to decrease with increasing tube wall temperature and gas flow rate. Particle deposition was suppressed completely when the tube wall was heated to a certain temperature slightly above that of the gas flow. An empirical expression has been developed to predict the dimensionless temperature difference needed for zero deposition efficiency in a laminar tube flow for a given dimensionless deposition parameter. (C) 2004 Elsevier Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectthermophoresisen_US
dc.subjectthermophoretic depositionen_US
dc.subjectparticle samplingen_US
dc.subjectparticle controlen_US
dc.titleSuppression of particle deposition in tube flow by thermophoresisen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.jaerosci.2004.05.007en_US
dc.identifier.journalJOURNAL OF AEROSOL SCIENCEen_US
dc.citation.volume35en_US
dc.citation.issue10en_US
dc.citation.spage1235en_US
dc.citation.epage1250en_US
dc.contributor.department環境工程研究所zh_TW
dc.contributor.departmentInstitute of Environmental Engineeringen_US
dc.identifier.wosnumberWOS:000224762200004-
dc.citation.woscount13-
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