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Flow and Turbulence Structure in A Baffle-Brush Fish Pass

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dc.contributor.author Küçükali, Serhat
dc.contributor.author Hassinger, Reinhard
dc.date.accessioned 2020-04-17T22:21:43Z
dc.date.available 2020-04-17T22:21:43Z
dc.date.issued 2018-02
dc.identifier.citation Kucukali, Serhat; Hassinger, Reinhard, "Flow and Turbulence Structure in A Baffle-Brush Fish Pass", Proceedings of The Institution of Civil Engineers-Water Management, 171, No. 1, pp. 6-17, (2018). tr_TR
dc.identifier.issn 1741-7589
dc.identifier.uri http://hdl.handle.net/20.500.12416/3313
dc.description.abstract The flow an d turbulence characteristics of a new baffle-brush type fish pass were investigated experimentally in a 2 m wide rectangular flume with a bed slope of 4% and Reynolds and Froude numbers in the range 5 x 10(4)-2.8 x 10(5) and 0.17-0.23, respectively. The baffle-brush fishway combines the properties of a baffle (Larinier) fish pass with the features of the brush-furnished fishway. The baffle-brush fish pass ensures continuous low-and high-velocity migration corridors for both strong (e.g. salmon) and weak swimming (e.g. river lamprey) fish, with negligible flow accelerations (i.e. quasi-uniform conditions). The turbulent kinetic energy (TKE) takes its maximum value near the centre of the baffle zone and decays towards the brush zone. The effects of the Reynolds number (Re) on the resultant velocity and TKE distributions were also investigated. For Re = 2 x 10(5), the TKE was in the range 0.05-0.21 m(2)/s(2) with an average value of 0.11 m(2)/s(2) in the baffle section, whereas it ranged between 0.007 and 0.04 m(2)/s(2) with an average value of 0.02 m(2)/s(2) in the brush section. In the proposed fish pass there is no need to build resting pools. tr_TR
dc.language.iso eng tr_TR
dc.publisher Ice Publishing tr_TR
dc.relation.isversionof 10.1680/jwama.16.00024 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Environment tr_TR
dc.subject Hydraulics & Hydrodynamics tr_TR
dc.subject Models (Physical) tr_TR
dc.title Flow and Turbulence Structure in A Baffle-Brush Fish Pass tr_TR
dc.type article tr_TR
dc.relation.journal Proceedings of The Institution of Civil Engineers-Water Management tr_TR
dc.contributor.authorID 20413 tr_TR
dc.identifier.volume 171 tr_TR
dc.identifier.issue 1 tr_TR
dc.identifier.startpage 6 tr_TR
dc.identifier.endpage 17 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, İnşaat Mühendisliği Bölümü tr_TR


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