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3D air filtration modeling for nanofiber based filters in the ultrafine particle size range

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dc.title 3D air filtration modeling for nanofiber based filters in the ultrafine particle size range en Sambaer, Wannes Zatloukal, Martin Kimmer, Dušan
dc.relation.ispartof Chemical Engineering Science
dc.identifier.issn 0009-2509 OCLC, Ulrich, Sherpa/RoMEO, JCR 2012
utb.relation.volume 82
utb.relation.issue 12 September 2012
dc.citation.spage 299
dc.citation.epage 311
dc.type article
dc.language.iso en
dc.publisher Pergamon Elsevier Science Ltd. en
dc.identifier.doi 10.1016/j.ces.2012.07.031
dc.subject Electrospinning en
dc.subject Filtration en
dc.subject Mathematical modeling en
dc.subject Nanostructure en
dc.subject Polymers en
dc.subject Separations en
dc.description.abstract In this work, 3D filtration modeling utilizing realistic SEM image-based 3D structure model, transition/free molecular flow regime, Brownian diffusion, particle-fiber interactions, aerodynamic slip and sieve has been proposed and used for different polyurethane nanofiber-based filters. For the model validation purposes, two polyurethane nanofiber layers prepared by the electrospinning process (having identical average fiber diameter, 120. nm, but different average pore sizes) were combined to form two pairs of nanofiber-based filters; each pair consists of two filters having comparable mass area and thickness. Filtration characteristics of prepared filters were determined experimentally in the ultrafine particle size range (20-400. nm). It has been found that the proposed model is able to reasonably predict the measured filtration efficiency, pressure drop and quality factor for all tested filter samples. en
utb.faculty Faculty of Technology
utb.faculty University Institute
utb.identifier.rivid RIV/70883521:28110/12:43867957!RIV13-MSM-28110___
utb.identifier.rivid RIV/70883521:28610/12:43867957!RIV13-MSM-28610___
utb.identifier.obdid 43868048
utb.identifier.scopus 2-s2.0-84865323934
utb.identifier.wok 000308606200030
utb.identifier.coden CESCA
utb.source j-wok 2012-09-17T16:22:14Z 2012-09-17T16:22:14Z
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Sambaer, Wannes
utb.contributor.internalauthor Zatloukal, Martin
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