Theoretical model: analysing theoretically the air flow through car seat foam material

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dc.contributor.authorBuyuk, Mazari Funda
dc.contributor.authorAdnan, Mazari
dc.contributor.authorHavelka, Antonín
dc.contributor.authorAdámek, Karel
dc.date.accessioned2019-09-11T06:08:43Z
dc.date.available2019-09-11T06:08:43Z
dc.date.issued2019
dc.description.abstractComfort of car seats is very important property for cars. Air permeability is directly related to the breath ability and comfort of car seats. In this research car seat Poly Urethane (PU) foam with different holes are tested for the air permeability and numerically simulated to predict the flow of air through thick foams. Model of detailed geometry gives good view about detailed flow field (pressure and velocity) in foam volume, influenced by perforations and grooves. But simulated flow is several times different from measured one. The main flow is through perforations (99%) and flow through foam is of two orders lower. Using homogeneous geometry with "averaged" permeability parameters were evaluated from measured values. The coincidence of measured and simulated flow is very good, difference of 1-5%. But it is not possible to get any details of flow in foam volume.cs
dc.format.extent7 strancs
dc.identifier.doi10.35530/IT.070.04.1559B
dc.identifier.urihttps://dspace.tul.cz/handle/15240/153459
dc.identifier.urihttp://www.revistaindustriatextila.ro/images/2019/4/005%20BUYUK%20Industria%20Textila%2004_2019.pdf
dc.language.isocscs
dc.publisherINST NATL CERCETARE-DEZVOLTARE TEXTILE PIELARIE-BUCURESTI, STR LUCRETIU PATRASCANU NR 16, SECTOR 3, BUCURESTI, 00000, ROMANIA
dc.relation.ispartofINDUSTRIA TEXTILA
dc.subjectthick foamscs
dc.subjectflow numerical simulationcs
dc.subjectair permeabilitycs
dc.titleTheoretical model: analysing theoretically the air flow through car seat foam materialcs
local.citation.epage330
local.citation.spage324
local.identifier.publikace6957
local.relation.issue4
local.relation.volume70
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