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Generation of realistic nonwoven and foam filter geometry and mesh for filtration simulation using open-source tools

Abishek, S.; Mullins, B.; King, A.; Kasper, G.; Heikamp, W.

Recovery of liquid aerosols (mists) from industrial processes is typically accomplished through coalescence filtration, employing highly porous nonwoven (fibrous), knitted or foam media which are regarded to potentially provide high collection efficiencies. Highly resolved pore-scale computational fluid dynamics (CFD) analysis of mist filtration processes is increasingly becoming an important tool for design and optimization of such filter media. A key to efficient application-specific optimization of filter media is the ability to generate CFD-suitable virtual filter geometries with controllable geometric parameters including solidity, fibre diameters, morphology, etc. - yet, a review of the literature suggests that the current designs are heavily reliant on computed tomography (CT) scans of available filter media for accurate representation of the pore-scale structures in a computational simulation. In the present study, a novel methodology is presented for generating realistic virtual nonwoven (fibrous) and foam filter geometries with parametric customizability, using open-source tools including Python, OpenFOAM libraries, Gmsh a ... mehr

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Volltext §
DOI: 10.5445/IR/1000063395
Seitenaufrufe: 21
seit 12.07.2018
Downloads: 270
seit 14.01.2017
Zugehörige Institution(en) am KIT Institut für Mechanische Verfahrenstechnik und Mechanik (MVM)
Publikationstyp Proceedingsbeitrag
Jahr 2016
Sprache Englisch
Identifikator urn:nbn:de:swb:90-633956
KITopen-ID: 1000063395
Erschienen in Filtech 2016, 11. - 13. Oktober 2016, Köln [G10 - Short Oral + Poster Presentations]
Schlagworte Aerosol, Mist filtration, Foam, Fibre, CFD, VOF
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