Hot Zone in a Hydrocyclone for Particles Escape from Overflow

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题名:	Hot Zone in a Hydrocyclone for Particles Escape from Overflow
作者:	Hsu, Chih-yuan;Wu, Rome-ming
贡献者:	淡江大學化學工程與材料工程學系
关键词:	CFD;Discrete phase;Efficiency;Hydrocyclone;Residence time
日期:	2008-08
上传时间:	2011-05-20 09:55:13 (UTC+8)
出版者:	Philadelphia: Taylor & Francis Inc.
摘要:	Hydrocyclone separation techniques have recently been used in an increasing number of applications. Three-dimensional simulation of a hydrocyclone was accomplished under three different flow splits S, say, 0.14, 0.25, and 0.44. Supplementary to standard Reynolds stress turbulence model (RSM), hydrodynamic behavior of flow in the hydrocyclone could be realized more clearly. With a discrete-phase model (DPM), particles in the hydrocyclone could be traced and the performance of the hydrocyclone could be evaluated. This simulation showed that the position or shape of a vortex finder might be a factor influencing short circuit. Particles with large densities have long residence times at small size, while particles with small densities have long residence times at large size. A hot zone that particles flow into will eventually flow out through overflow is three-dimensionally displayed.
關聯:	Drying Technology 26(8), pp.1011-1017
DOI:	10.1080/07373930802177677
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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