Prediction of minimum fluidization velocity of gas-solid fluidized beds by pressure fluctuation measurements - Analysis of the standard deviation methodology

dc.creatorFelipe, CAS
dc.creatorRocha, SCS
dc.date2007
dc.dateMAY 25
dc.date2014-11-17T19:10:22Z
dc.date2015-11-26T17:41:47Z
dc.date2014-11-17T19:10:22Z
dc.date2015-11-26T17:41:47Z
dc.date.accessioned2018-03-29T00:23:35Z
dc.date.available2018-03-29T00:23:35Z
dc.identifierPowder Technology. Elsevier Science Sa, v. 174, n. 3, n. 104, n. 113, 2007.
dc.identifier0032-5910
dc.identifierWOS:000247021100004
dc.identifier10.1016/j.powtec.2007.01.015
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/80907
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/80907
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/80907
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1287105
dc.descriptionWe analyze here an experimental method for the evaluation of Uf in gas fluidized beds, based on pressure fluctuation measurements in which U-mf is determined by the relationship between the standard deviation of pressure measurements and fluid velocity [M. Puncochar, J. Drahos, J. Cermak, K. Selucky, Evaluation of minimum fluidizing velocity in gas fluidized bed from pressure fluctuations, Chem. Eng. Commun. 35 (1985) 81-87]. This was tested in four different particles: Sand, Microcrystalline Cellulose, FCC and Alumina using two circular plexiglass columns with internal diameters of 0. 11 in and 0. 14 rn as the experimental apparatus. Validation of the method was made by comparing our U-mf results with those obtained by the fluid-dynamic curve. The experimental data revealed that: (1) the valid range of fluid velocity in the method employed by us is broader than those observed by other authors; (2) the method is suitable for both Geldart A and B solids. Influence of probe location and type of pressure measurement (either absolute or differential) were also analyzed and discussed. (C) 2007 Elsevier B.V. All rights reserved.
dc.description174
dc.description3
dc.description104
dc.description113
dc.languageen
dc.publisherElsevier Science Sa
dc.publisherLausanne
dc.publisherSuíça
dc.relationPowder Technology
dc.relationPowder Technol.
dc.rightsfechado
dc.rightshttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.sourceWeb of Science
dc.subjectgas fluidized beds
dc.subjectfluid-dynamic parameters
dc.subjectincipient fluidization
dc.subjectTime-series Analysis
dc.subjectTurbulent Fluidization
dc.subjectPropagation
dc.subjectOrigin
dc.subjectWaves
dc.titlePrediction of minimum fluidization velocity of gas-solid fluidized beds by pressure fluctuation measurements - Analysis of the standard deviation methodology
dc.typeArtículos de revistas


Este ítem pertenece a la siguiente institución