Flow past two tandem square cylinders placed in parallel walls

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dc.contributor.authorKurtulmus, Nazim
dc.date.accessioned2025-01-06T17:37:12Z
dc.date.available2025-01-06T17:37:12Z
dc.date.issued2022
dc.description.abstractIn this work, pulsating and non-pulsating flow structures past two tandem square cylinders placed in parallel walls was investigated. The variation of the distance between the cylinders and the frequency of flow pulsation was also examined. The Particle Image Velocimetry (PIV) method was applied to reveal hydrodynamic characteristics such as streamlines patterns, , the velocity vector distribution, the vorticity field, , the normalized streamwise velocity contours, < U/U-avg >, and turbulent statistics such as streamwise velocity fluctuations, u(rms), cross-streamwise velocity fluctuations, v(rms), and turbulent Reynolds stress, u ' v ' over line /U-0(2) distributions for non-pulsating flow cases. In addition, instantaneous and phase averaged flow data over the flow field is presented in order to evaluate the influence of flow pulsation on the quantitative analyses. The experiments were performed at Re=500. According to the results, the confinement profoundly affects the flow regime past two tandem cylinders. The alteration from the reattach flow to the co-shedding vortex flow regime take place at a lower gap ratio. Moreover, flow pulsation considerably contributes to mainstream penetration into the gap between cylinders. The mechanism of the fluid interactions near the wall and mainstream is highly dependent on the ratio of L/D and pulsation frequency
dc.identifier.doi10.1016/j.oceaneng.2022.112352
dc.identifier.issn0029-8018
dc.identifier.issn1873-5258
dc.identifier.scopus2-s2.0-85136506361
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.oceaneng.2022.112352
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2124
dc.identifier.volume262
dc.identifier.wosWOS:000855094500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofOcean Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectConfinement
dc.subjectFlow characteristics
dc.subjectPulsating flow
dc.subjectPIV
dc.titleFlow past two tandem square cylinders placed in parallel walls
dc.typeArticle

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