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Moment approach to the polydispersed particle size distribution of dust-loaded fibers due to convective diffusion
Article first published online: 21 JUN 2011
DOI: 10.1002/ep.10562
Copyright © 2011 American Institute of Chemical Engineers (AIChE)
Additional Information
How to Cite
Jung, C. H., Park, H. S. and Kim, Y. P. (2012), Moment approach to the polydispersed particle size distribution of dust-loaded fibers due to convective diffusion. Environ. Prog. Sustainable Energy, 31: 397–406. doi: 10.1002/ep.10562
Publication History
- Issue published online: 12 JUL 2012
- Article first published online: 21 JUN 2011
- Manuscript Accepted: 9 APR 2011
- Manuscript Revised: 22 MAR 2011
- Manuscript Received: 3 DEC 2010
Funded by
- Korea Meteorological Administration Research and Development Program. Grant Number: RACS 2010-3006
- Converging Research Center Program
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology
- Abstract
- Article
- References
- Cited By
Keywords:
- convective diffusional collection efficiency;
- polydispersed particles;
- dust-loaded fiber filter;
- log-normal size distribution;
- moment approach
Abstract
In this study, convective diffusional collection efficiency of polydispersed particles on a dust-loaded fiber filter is estimated. The change in the polydispersed particle size distribution on dust-loaded fibers due to convective diffusion was studied. A log-normal size distribution was assumed and the moment approach was applied. Consequently, the effect of dust loading on polydispersed particle size distribution could be obtained.
In the convective diffusional region, the geometric mean diameter increases and the geometric standard deviation decreases as filtration times goes. The collection efficiency increases further for a large polydispersed interception parameter for clean filters and this tendency is enhanced when dust loading is present. The geometric mean diameter increases further for a large polydispersed interception parameter. This study presents simplified methods for examining filter performance under dust-loaded conditions. The obtained results enhance our understanding of the change in the collection efficiency of polydispersed particle when particles are deposited on a fiber. © 2011 American Institute of Chemical Engineers Environ Prog, 2011