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DOI: 10.5445/IR/1000063397

Influence of filter domain size on the simulation of gas-liquid filtration in nonwoven and foam media

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

The process of coalescence mist filtration in liquid- or gas-liquid systems is strongly controlled by the dynamics of the multi-component fluid transport at the pore- or fibrescales and its interactions with the filter media. However, current designs of mist filters are largely based on empirical data or on single-fibre filtration theory, primarily because of the complexity and difficulty in making accurate measurements at such (small) length scales. Current advancements in high performance computing provide a unique possibility to understand the dynamics of such flows using highly resolved droplet and interface capturing computational fluid dynamics (CFD) simulations - which can provide vital data for application-specific optimization of filter media. However it is important that the spatio-temporal resolutions required to accurately numerical model the fluid dynamics of micro or nano-fibre filtration processes at full size of the filters may typically demand simulations to be run with several hundred million (to over a billion) computational cells and long run-times. Hence, for reduced design lead times as well as computational co ... mehr

Zugehörige Institution(en) am KIT Institut für Mechanische Verfahrenstechnik und Mechanik (MVM)
Publikationstyp Proceedingsbeitrag
Jahr 2016
Sprache Englisch
Identifikator URN: urn:nbn:de:swb:90-633977
KITopen-ID: 1000063397
Erschienen in Filtech 2016, 11. - 13. Oktober 2016, Köln [G5 - Mist and Droplet Separation II]
Schlagworte Aerosol, Mist filtration, Foam, Fibre, CFD, VOF
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