Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles

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dc.contributor.author Wang, Haotong
dc.contributor.author Soria Verdugo, Antonio
dc.contributor.author Sun, Jingyuan
dc.contributor.author Wang, Jingdai
dc.contributor.author Yang, Yongrong
dc.contributor.author Hernández Jiménez, Fernando
dc.date.accessioned 2021-09-06T10:56:38Z
dc.date.available 2022-01-16T00:00:05Z
dc.date.issued 2020-01-16
dc.identifier.bibliographicCitation Wang, H., Soria Verdugo, A., Sun, J., Wang, J., Yang, Y. & Hernández Jiménez, F. (2020). Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles. Chemical Engineering Science, 211, 115257.
dc.identifier.issn 0009-2509
dc.identifier.uri http://hdl.handle.net/10016/33234
dc.description.abstract This paper studies the bubble dynamics and flow transition behavior in wet particle systems. Non-coherent algorithm was used to quantitatively calculate the bubble diameters in a three-dimensional fluidized bed system loaded with wet particles, obtaining the bubble dynamics under the action of liquid. The results indicate that the incoherent analysis can detect the formation of even tiny bubbles in the fluidized bed. The kurtosis and skewness of the pressure fluctuation signal was used to obtain the critical transition conditions of the flow pattern from turbulent to laminar. Through the decay index of the incoherent spectrum, the operating conditions of the Levy-Kolmogorov flow pattern to the Kolmogorov flow region were determined. From the comparison of the liquid bridge and the drag forces, the competitive mechanism of different forces acting on the particles that conformed the bed was analyzed, reflecting the change of the apparent minimum fluidization velocity of wet particles.
dc.format.extent 14
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2019 Elsevier Ltd.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Bubble dynamics
dc.subject.other Flow transition
dc.subject.other Incoherent analysis
dc.subject.other Turbulence
dc.subject.other Wet particle
dc.title Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles
dc.type research article
dc.subject.eciencia Física
dc.identifier.doi https://doi.org/10.1016/j.ces.2019.115257
dc.rights.accessRights open access
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue 115257
dc.identifier.publicationlastpage 14
dc.identifier.publicationtitle Chemical Engineering Science
dc.identifier.publicationvolume 211
dc.identifier.uxxi AR/0000025501
dc.affiliation.dpto UC3M. Departamento de Ingeniería Térmica y de Fluidos
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Ingeniería de Sistemas Energéticos
dc.type.hasVersion AM
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