Transient Computational Fluid Dynamics Modeling of Air-Water Two-Phase Flow for Elbows

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dc.authorid0000-0002-2933-1474
dc.contributor.authorKukrer, Ergin
dc.contributor.authorEskin, Nurdil
dc.date.accessioned2026-04-04T18:55:19Z
dc.date.available2026-04-04T18:55:19Z
dc.date.issued2024
dc.departmentİstanbul Bilgi Üniversitesi
dc.description14th International Conference on Computational Heat and Mass Transfer (ICCHMT) -- SEP 04-08, 2024 -- Dusseldorf, GERMANY
dc.description.abstractThis study presents a computational fluid dynamics model investigation of the air-water multiphase flow in elbows, which can be commonly found in many practical applications. The computational model was developed in ANSYS Fluent. The Eulerian-Eulerian approach was used in modelling, which employs individual equations for each phase. Air is injected at a 30 l/min airflow rate to water through nozzles at 16 points placed at equal angles in the circumferential direction. The water flow rate is determined as 180 l/min at the inlet. The test section consists of a complete U-bend system, which is a combination of two horizontal to vertical (upward and downward) and one vertical 180-degree elbow. Our study not only provides a detailed presentation of the numerical modelling methods developed for this complex geometry elbow but also discusses the results obtained from the model. The results are presented for each phase regarding local void fraction and phase velocities. In addition to numerical studies, experimental works were carried out for validation. Computational results were compared with the experimental acquisitions, and the results were in good agreement. It is observed that the Eulerian approach gives reasonable results to predict the flow characteristics of air-water flow in elbows.
dc.description.sponsorshipDusseldorf Univ Appl Sci,Univ Calgary,Ecole Normale Superieure Paris Saclay,Cracow Univ Tech,Soongsil Univ
dc.identifier.doi10.1007/978-3-031-66609-4_63
dc.identifier.doi10.1007/978-3-031-66609-4_63
dc.identifier.endpage693
dc.identifier.isbn978-3-031-66608-7
dc.identifier.isbn978-3-031-66609-4
dc.identifier.issn2195-4356
dc.identifier.issn2195-4364
dc.identifier.scopus2-s2.0-85191296005
dc.identifier.scopusqualityQ4
dc.identifier.startpage684
dc.identifier.urihttps://doi.org/10.1007/978-3-031-66609-4_63
dc.identifier.urihttps://hdl.handle.net/11411/10363
dc.identifier.wosWOS:001343656600063
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer International Publishing Ag
dc.relation.ispartofAdvances in Computational Heat and Mass Transfer, Icchmt 2023, Vol 2
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260402
dc.snmzKA_Scopus_20260402
dc.subjectAir-Water
dc.subjectTwo-Phase Flow
dc.subjectComputational Multiphase Flow
dc.subjectElbows
dc.subjectEulerian Model
dc.subjectLocal Void Fraction
dc.titleTransient Computational Fluid Dynamics Modeling of Air-Water Two-Phase Flow for Elbows
dc.typeConference Object

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