Hydrodynamic optimization of full-scale aeration tanks using field measurements and computational fluid dynamics modeling

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dc.authorid0000-0002-4767-6660
dc.authorid0000-0002-0499-8248
dc.contributor.authorCelik, Damla Yilmaz
dc.contributor.authorYilmaz, Naz
dc.contributor.authorSibil, Rahim
dc.contributor.authorAras, Egemen
dc.contributor.authorVaheddoost, Babak
dc.date.accessioned2026-02-08T15:15:30Z
dc.date.available2026-02-08T15:15:30Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractImproving energy efficiency and operational performance in wastewater treatment plants largely relies on precise hydrodynamic analysis. In this context, field-based studies are essential for understanding system behavior under real operational conditions. This study was conducted at a full-scale wastewater treatment plant, where flow dynamics in the aeration tank were evaluated through extensive field measurements and computational fluid dynamics modeling. Data were collected from 98 locations across 15 different depth levels using an Acoustic Doppler Current Profiler and a Hach FH950 velocity meter. The numerical model was initially validated with the help of experimental field data, enabling an accurate assessment of flow characteristics at varying depths. Results revealed that the low-velocity zones and non-uniform velocity distributions negatively affect system performance. It is also concluded that the inlet and outlet positions disturb the favorable circulation patterns and flow uniformity. Geometric optimization strategies were implemented to develop solutions, which led to a more uniform velocity distribution and improved hydraulic efficiency. By integrating detailed field measurements with numerical modeling, this study provides a comprehensive understanding of aeration tank hydrodynamics and offers practical design recommendations for improving overall system performance.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [124M962]
dc.description.sponsorshipThe authors would like to acknowledge that this paper is submitted in partial fulfilment of the requirements for the Ph.D. degree at Bursa Technical University, as part of the doctoral dissertation titled Numerical and Experimental Investigation of Hydraulic and Hydrodynamic Properties of Full-Scale Aeration Tanks to Increase Their Efficiency. This work was funded by the Scientific and Technological Research Council of Turkey (TUBITAK) (Project No. 124M962).
dc.identifier.doi10.1063/5.0284593
dc.identifier.issn1070-6631
dc.identifier.issn1089-7666
dc.identifier.issue8
dc.identifier.scopus2-s2.0-105013574629
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1063/5.0284593
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5820
dc.identifier.volume37
dc.identifier.wosWOS:001552831900003
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAip Publishing
dc.relation.ispartofPhysics of Fluids
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectWater Treatment Plants
dc.subjectOxidation Ditch
dc.subjectFlow-Field
dc.subjectSimulation
dc.subjectPrediction
dc.subjectImpellers
dc.titleHydrodynamic optimization of full-scale aeration tanks using field measurements and computational fluid dynamics modeling
dc.typeArticle

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