Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ...
The present study deals with the hydraulic and fish-biological performance of an innovative curved-bar rack bypass system (CBR-BS). CBR is a mechanical behavioral fish guidance structure typically combined with a BS, that was developed at VAW of ETH Zurich for safe downstream fish passage at hydropo...
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ftdatacite:10.3929/ethz-b-000560944 2024-04-28T08:13:40+00:00 Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... Beck, Claudia Albayrak, Ismail Meister, Julian Peter, Armin Selz, Oliver M. Leuch, Claudia Vetsch, David F. Boes, Robert 2022 application/pdf https://dx.doi.org/10.3929/ethz-b-000560944 http://hdl.handle.net/20.500.11850/560944 en eng ETH Zurich fish migration salmon Fish protection and guidance Curved-bar rack Bypass system hydropower plant infoeu-repo/classification/ddc/624 Civil engineering FOS Civil engineering article-journal Text ScholarlyArticle Conference Paper 2022 ftdatacite https://doi.org/10.3929/ethz-b-000560944 2024-04-02T12:32:08Z The present study deals with the hydraulic and fish-biological performance of an innovative curved-bar rack bypass system (CBR-BS). CBR is a mechanical behavioral fish guidance structure typically combined with a BS, that was developed at VAW of ETH Zurich for safe downstream fish passage at hydropower plants. A hydraulically optimized CBR with a full-depth BS was tested with six European fish species, namely, spirlin, nase, barbel, Atlantic salmon parr, brown trout and European eel in an ethohydraulic laboratory flume. The approach flow velocities were 0.50 and 0.70 m/s and the velocity ratios (VR) of mean bypass inlet velocity to mean approach flow velocity were 1.2 and 1.4 for each flow velocity, resulting in four different hydraulic conditions. The flow field around the CBR-BS was numerically simulated for each hydraulic condition with a CFD model. The simulation results show that the velocity gradients between the curved bars and up to ~40 mm upstream from the rack are high. The live-fish tests showed ... : Proceedings 39th IAHR World Congress ... Text Atlantic salmon European eel DataCite Metadata Store (German National Library of Science and Technology) |
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English |
topic |
fish migration salmon Fish protection and guidance Curved-bar rack Bypass system hydropower plant infoeu-repo/classification/ddc/624 Civil engineering FOS Civil engineering |
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fish migration salmon Fish protection and guidance Curved-bar rack Bypass system hydropower plant infoeu-repo/classification/ddc/624 Civil engineering FOS Civil engineering Beck, Claudia Albayrak, Ismail Meister, Julian Peter, Armin Selz, Oliver M. Leuch, Claudia Vetsch, David F. Boes, Robert Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
topic_facet |
fish migration salmon Fish protection and guidance Curved-bar rack Bypass system hydropower plant infoeu-repo/classification/ddc/624 Civil engineering FOS Civil engineering |
description |
The present study deals with the hydraulic and fish-biological performance of an innovative curved-bar rack bypass system (CBR-BS). CBR is a mechanical behavioral fish guidance structure typically combined with a BS, that was developed at VAW of ETH Zurich for safe downstream fish passage at hydropower plants. A hydraulically optimized CBR with a full-depth BS was tested with six European fish species, namely, spirlin, nase, barbel, Atlantic salmon parr, brown trout and European eel in an ethohydraulic laboratory flume. The approach flow velocities were 0.50 and 0.70 m/s and the velocity ratios (VR) of mean bypass inlet velocity to mean approach flow velocity were 1.2 and 1.4 for each flow velocity, resulting in four different hydraulic conditions. The flow field around the CBR-BS was numerically simulated for each hydraulic condition with a CFD model. The simulation results show that the velocity gradients between the curved bars and up to ~40 mm upstream from the rack are high. The live-fish tests showed ... : Proceedings 39th IAHR World Congress ... |
format |
Text |
author |
Beck, Claudia Albayrak, Ismail Meister, Julian Peter, Armin Selz, Oliver M. Leuch, Claudia Vetsch, David F. Boes, Robert |
author_facet |
Beck, Claudia Albayrak, Ismail Meister, Julian Peter, Armin Selz, Oliver M. Leuch, Claudia Vetsch, David F. Boes, Robert |
author_sort |
Beck, Claudia |
title |
Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
title_short |
Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
title_full |
Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
title_fullStr |
Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
title_full_unstemmed |
Fish Swimming Behavior and Bypass Acceptance at Curved-Bar Rack Bypass Systems ... |
title_sort |
fish swimming behavior and bypass acceptance at curved-bar rack bypass systems ... |
publisher |
ETH Zurich |
publishDate |
2022 |
url |
https://dx.doi.org/10.3929/ethz-b-000560944 http://hdl.handle.net/20.500.11850/560944 |
genre |
Atlantic salmon European eel |
genre_facet |
Atlantic salmon European eel |
op_doi |
https://doi.org/10.3929/ethz-b-000560944 |
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1797580077459832832 |