dc.creator | Valverde Millán, José Manuel | |
dc.creator | Castellanos Mata, Antonio | |
dc.date.accessioned | 2015-07-15T10:19:28Z | |
dc.date.available | 2015-07-15T10:19:28Z | |
dc.date.issued | 2006 | |
dc.identifier.citation | Valverde Millán, J.M. y Castellanos Mata, A. (2006). High viscosity gas fluidization of fine particles: An extended window of quasihomogeneous flow. Physical review. E, 74 (2), 021302-1-021302-6. | es |
dc.identifier.issn | 1539-3755 | es |
dc.identifier.issn | 1550-2376 | es |
dc.identifier.uri | http://hdl.handle.net/11441/26890 | |
dc.description.abstract | We explore the role of gas viscosity in the behavior of gas-fluidized beds of fine powders by means of experimental measurements using nitrogen and neon as fluidizing gases, and theoretical considerations. The existence of a nonbubbling fluidlike regime has been recently observed in beds of fine powders fluidized with nitrogen. Our experiments with neon reveal a discontinuous transition from heterogeneous fluidization to a highly expanded homogeneous fluidization state. We point out that increasing gas viscosity enhances the coherence of agglomerate swarms, which promotes a local void-splitting mechanism, thus improving the uniformity of fluidization. Our theoretical analysis predicts that further increase of gas viscosity would produce a full suppression of the bubbling regime, i.e., the uniformly fluidized bed would undergo a direct transition to a turbulent regime as seen in beds of nanoparticles fluidized by nitrogen and in liquid-fluidized beds of moderate-density beads. | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | American Physical Society | es |
dc.relation.ispartof | Physical review. E, Statistical, nonlinear and soft matter physics, 74, 2, 021302-1-021302-6 | es |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | High viscosity gas fluidization of fine particles: An extended window of quasihomogeneous flow | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo | es |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevE.74.021302 | es |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevE.74.021302 | |
dc.identifier.doi | 10.1103/PhysRevE.74.021302 | |
dc.journaltitle | Physical review. E | es |
dc.publication.volumen | 74 | es |
dc.publication.issue | 2 | es |
dc.publication.initialPage | 021302-1 | es |
dc.publication.endPage | 021302-6 | es |
dc.identifier.idus | https://idus.us.es/xmlui/handle/11441/26890 | |