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Evaluation of Guiding Device for Downstream Fish Migration with In-field Particle Tracking Velocimetry and CFD
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-1033-0244
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8235-9639
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-8360-9051
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2015 (English)In: Journal of Applied Fluid Mechanics, ISSN 1735-3572, E-ISSN 1735-3645, Vol. 8, no 3, p. 579-589Article in journal (Refereed) Published
Abstract [en]

The performance of a fish guiding device located just upstream a hydropower plant is scrutinized. The device is designed to redirect surface orientated down-stream migrating fish (smolts) away from the turbines towards a spillway that act as a relatively safe fishway. Particles are added up-stream the device and the fraction particles going to the spillway is measured. A two-frame Particle Tracking Velocimetry algorithm is used to derive the velocity field of the water. The experimental results are compared to simulations with CFD. If the smolts move passively as the particles used in the study the guiding device works very well and some modifications may optimize its performance. In-field Particle Tracking Velocimetry is a suitable technique for the current case and the results compare well with numerical simulations.

Place, publisher, year, edition, pages
2015. Vol. 8, no 3, p. 579-589
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-7806Local ID: 639c1639-2605-4f07-a47d-935d44debd47OAI: oai:DiVA.org:ltu-7806DiVA, id: diva2:980696
Note
Validerad; 2015; Nivå 2; 20140714 (stlu)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-12-01Bibliographically approved

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Lundström, T. StaffanRahkola, Mattias BrynjellLjung, Anna-LenaHellström, J. Gunnar I.Green, Torbjörn

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Lundström, T. StaffanRahkola, Mattias BrynjellLjung, Anna-LenaHellström, J. Gunnar I.Green, Torbjörn
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Fluid and Experimental MechanicsDepartment of Engineering Sciences and Mathematics
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