Numerical study on the impact of particles filling pattern and screw parameters on the mixing uniformity of wheat grains in a screw mixer

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dc.contributor.authorGarneoui, Seifeddine
dc.contributor.authorKeppler, István
dc.contributor.authorKorzenszky, Péter
dc.contributor.authorTalafha, Muath Sultan
dc.date.accessioned2022-01-13T06:35:22Z
dc.date.available2022-01-13T06:35:22Z
dc.date.issued2021
dc.description.abstract-translatedThe presence of moisture content in a silo makes the preservation of a grain stock challenging especially when dealing with a large stock. This made it as a major concern for engineers to preserve large crops of grains and avoid huge losses. By installing a screw inside of a silo, the moisture problem could be avoided by stirring the loaded granular bed alongside aeration, also it could be effective to mix different types of loaded materials. The present work has sought to develop predictive models of discrete element method for mixing uniformity assessment when mixing wheat granules in a hopper-bottom screw mixer. The different factors being investigated are: initial configuration of particles, screw rotational direction, screw pitch length, screw diameter and screw rotational velocity. Findings regarding bed homogeneity were calculated using the nearest neighbor’s method. The best mixture was obtained when considering a side-wise filling type of particles ahead mixing and using a 20 mm screw diameter, 30 mm screw pitch and rotating the screw at 80 rpm speed.en
dc.format10 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.citationApplied and Computational Mechanics. 2021, vol. 15, no. 2, p. 123-132.en
dc.identifier.doihttps://doi.org/10.24132/acm.2021.689
dc.identifier.issn1802-680X (Print)
dc.identifier.issn2336-1182 (Online)
dc.identifier.urihttp://hdl.handle.net/11025/46602
dc.language.isoenen
dc.publisherUniversity of West Bohemiaen
dc.rights© University of West Bohemiaen
dc.rights.accessopenAccessen
dc.subjectmetoda diskrétních prvkůcs
dc.subjectzrnitý materiálcs
dc.subjectindex homogenitycs
dc.subjectšroubový mixércs
dc.subject.translateddiscrete element methoden
dc.subject.translatedgranular materialen
dc.subject.translatedhomogeneity indexen
dc.subject.translatedscrew mixeren
dc.titleNumerical study on the impact of particles filling pattern and screw parameters on the mixing uniformity of wheat grains in a screw mixeren
dc.typečlánekcs
dc.typearticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen

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Volume 15, number 2 (2021)
Volume 15, number 2 (2021)