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Type: Artigo de periódico
Title: The Cyclonic Dryer - A Numerical And Experimental Analysis Of The Influence Of Geometry On Average Particle Residence Time
Author: Correa J.L.G.
Graminho D.R.
Silva M.A.
Nebra S.A.
Abstract: Particle residence time is an extremely important variable in a cyclonic dryer project. With the goal of obtaining a device that conduces to a long particle residence time, the influence of cyclone dimensions on particle residence time and on the type of flow is discussed here. The research was based on a device with a very high ratio of cyclone diameter to other dimensions. Simulations were developed with computational fluid dynamics techniques by the use of the commercial code CFX 4.4® of AEA Technology. Particles were treated individually. The fit of a turbulence model was also discussed. Theoretical and experimental results showed that the dimensions of the conical part of the cyclone had a very important influence on flow and consequently on particle residence time. The influence of volumetric concentration and particle diameter on particle residence time were also observed.
Rights: aberto
Identifier DOI: 
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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