Effect of channel geometry on the performance of an electrostatic precipitator: a comparative numerical study

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dc.contributor.authorKılıç, Halil
dc.contributor.authorKonuk Ege, Gözde
dc.contributor.authorTemiz, İsmail
dc.contributor.authorGenç, Garip
dc.contributor.authorAkay Sefer, Özge
dc.contributor.authorSefer, Ahmet
dc.date.accessioned2026-05-21T08:14:31Z
dc.date.available2026-05-21T08:14:31Z
dc.date.issued2026
dc.departmentMeslek Yüksekokulu, Gedik Meslek Yüksekokulu, Mekatronik Programı
dc.description.abstractThis study presents a numerical investigation of the influence of channel geometry on electrohydrodynamic (EHD) processes governing particle transport in electrostatic precipitators (ESPs). A conventional rectangular channel is compared with concave configurations using a coupled multi-physics model that accounts for gas flow, electric field distribution, ion transport, and particle migration across a wide particle-size range. The results show that geometric modification significantly alters ion transport and charge distribution within the ESP channel. Compared with the rectangular configuration, the concave profile enhances ion penetration and particle charging, leading to improved collection efficiency across the entire particle-size range. The improvement is particularly pronounced near the minimum-efficiency region for submicron particles. Specifically, near 0.1 mu m, the collection efficiency increases from approximately 30% in the rectangular channel to approximately 50% for the higher-contraction concave configuration, representing an improvement of nearly 20 percentage points. A comparison with a Venturi-like contraction further shows that abrupt geometric contraction produces localized space-charge accumulation and reduces the effective charging region. In contrast, smooth concave shaping promotes a more distributed electrostatic interaction region, resulting in improved particle collection performance.
dc.description.sponsorshipMarmara University ; FDK-2023-11055 EFFE Industrial Automation RD Center
dc.identifier.doi10.3390/app16094356
dc.identifier.issn2076-3417
dc.identifier.issue9
dc.identifier.scopus2-s2.0-105038550011
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/app16094356
dc.identifier.urihttps://hdl.handle.net/11501/2735
dc.identifier.volume16
dc.identifier.wosWOS:001763195600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.institutionauthorKonuk Ege, Gözde
dc.institutionauthorid0000-0001-7349-0416
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofApplied Sciences-Basel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectElectrostatic Precipitator
dc.subjectChannel Geometry
dc.subjectElectrohydrodynamic Flow
dc.subjectParticle Charging
dc.subjectCollection Efficiency
dc.titleEffect of channel geometry on the performance of an electrostatic precipitator: a comparative numerical study
dc.typeArticle

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