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Matematično modeliranje toka v ribjih stezah z vertikalnimi režami = Mathematical modeling of flow in vertical slot fishwaysBombač, Martin ; Rak, Gašper ; Novak, Gorazd, gradbeništvo/hidrotehnika, 1978-Izgradnja rečnih pregrad pomeni prekinitev nujno potrebnih migracijskih poti za ribe in druge vodne organizme za ohranitev populacij vzdolž vodotokov. Eden izmed omilitvenih ukrepov ob takšnih ... posegih v rečno telo je izgradnja ribje steze, po kateri vodni organizmi predvsem ob času drsti migrirajo ob sami pregradi. V članku so podrobno prikazani numerični parametri matematičnega modela PCFLOW2D, ki se je ob ustreznih nastavitvah izkazal kot ustrezno orodje za projektiranje ribjih stez z vertikalnimi režami. Prikazana je analiza vpliva geometrijskih in numeričnih parametrov na izračun tokovne slike. Podrobno so prikazane meritve toka v že zgrajeni ribji stezi ob hidroelektrarni Arto-Blanca, na podlagi katerih je bil matematični model validiran. Prikazani so rezultati izračunov za različne vzdolžne padce ribje steze. Poleg največjih hitrosti in pretoka so bili analizirani še drugi pomembni hidravlični parametri, ki vplivajo na prehodnost ribje steze, kot sta hitrostno polje in porazdelitev disipacije turbulentne kinetične energije znotraj posameznega prekata ribje steze.Source: Acta hydrotechnica. - ISSN 0352-3551 (33, [št.] 59, dec. 2020, str. 97-112)Type of material - article, component partPublish date - 2020Language - slovenianCOBISS.SI-ID - 43463171
Author
Bombač, Martin |
Rak, Gašper |
Novak, Gorazd, gradbeništvo/hidrotehnika, 1978-
Topics
matematično modeliranje |
ribja steza z vertikalnimi režami |
turbulenca |
hitrostno polje |
disipacija turbulentne kinetične energije |
mathematical modeling |
vertical slot fishway |
turbulence |
velocity field |
turbulent kinetic energy dissipation
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Bombač, Martin | 27684 |
Rak, Gašper | 29190 |
Novak, Gorazd, gradbeništvo/hidrotehnika, 1978- | 26112 |
Source: Personal bibliographies
and: SICRIS
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