Effect of air distributor on the fluidization characteristics in conical gas fluidized beds

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dc.contributor.authorSon, Seong-Yongko
dc.contributor.authorLee, Dong-Hyunko
dc.contributor.authorHan, Gui Youngko
dc.contributor.authorKim, Duk Joonko
dc.contributor.authorSim, Sang Junko
dc.contributor.authorKim, Sang Doneko
dc.date.accessioned2013-03-06T09:53:49Z-
dc.date.available2013-03-06T09:53:49Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2005-03-
dc.identifier.citationKOREAN JOURNAL OF CHEMICAL ENGINEERING, v.22, no.2, pp.315 - 320-
dc.identifier.issn0256-1115-
dc.identifier.urihttp://hdl.handle.net/10203/86611-
dc.description.abstractThe effect of an air distributor on the fluidization characteristics of 1 mm glass beads has been determined in a conical gas fluidized bed (0.1 m - inlet diameter and 0.6 m in height) with an apex angle of 20 degrees. To determine the effect of distributor geometry, five different perforated distributors were employed (the opening fraction of 0.009-0.037, different hole size, and number). The differential bed pressure drop increases with increasing gas velocity, and it goes from zero to a maximum value with increasing or decreasing gas velocity. From the differential bed pressure drop profiles with the distributors having different opening fractions, demarcation velocities of the minimum and maximum velocities of the partial fluidization, full fluidization, partial defluidization and the full defluidization are determined. Also. bubble frequencies in the conical gas fluidized beds were measured by an optical probe. In the conical bed, the gas velocity at which the maximum bed pressure drop attained increases with increasing the opening fraction of distributors.-
dc.languageEnglish-
dc.publisher한국화학공학회-
dc.subjectSPOUTED BEDS-
dc.titleEffect of air distributor on the fluidization characteristics in conical gas fluidized beds-
dc.typeArticle-
dc.identifier.wosid000228280600023-
dc.identifier.scopusid2-s2.0-20344408063-
dc.type.rimsART-
dc.citation.volume22-
dc.citation.issue2-
dc.citation.beginningpage315-
dc.citation.endingpage320-
dc.citation.publicationnameKOREAN JOURNAL OF CHEMICAL ENGINEERING-
dc.identifier.doi10.1007/BF02701503-
dc.contributor.localauthorKim, Sang Done-
dc.contributor.nonIdAuthorSon, Seong-Yong-
dc.contributor.nonIdAuthorLee, Dong-Hyun-
dc.contributor.nonIdAuthorHan, Gui Young-
dc.contributor.nonIdAuthorKim, Duk Joon-
dc.contributor.nonIdAuthorSim, Sang Jun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorconical beds-
dc.subject.keywordAuthorflow regime-
dc.subject.keywordAuthorminimum huidization velocity-
dc.subject.keywordAuthoroptical probe-
dc.subject.keywordPlusSPOUTED BEDS-
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