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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/11260

Title: Deposition on fibrous filters in the interception region
Authors: Dunnett, Sarah J.
Clement, Charles F.
Issue Date: 2011
Publisher: European Aerosol Conference
Citation: DUNNETT, S.J. and CLEMENT, C.F., 2011. Deposition on fibrous filters in the interception region. European Aerosol Conference, Manchester, 4th-9th November, EAC2011, pp.275-275.
Abstract: When deposit accumulates inside a fibrous filter the fluid flow through the filter, and hence the filters collection efficiency, is altered. Although this is well known, it is difficult to model the particle build up within a filter. However it is crucial that a full understanding of the process of particle deposition and its effects upon further deposition is obtained in order to understand the performances of fibrous filters. We have been developing a numerical model of fibrous filtration aimed at investigating deposition due to various mechanisms and the effect filter properties and particle characteristics have upon it (Dunnett and Clement 2006, 2009). We have shown that, for small particles where the dominant mechanism by which particles deposit is diffusion, the porosity of the deposit formed does not significantly influence further deposition. For larger particles the porosity of the deposit has been seen to have a greater influence upon the flow field, and hence upon particle behaviour. In this paper we consider particles for which interception is the main mechanism of deposition.
Description: This is a conference paper.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/11260
Publisher Link: http://www.eac2011.com/
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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