Numerical and physical model study of a vertical slot fishway

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Title:Numerical and physical model study of a vertical slot fishway
Creators:
Bombač, Martin; martin dot bombac at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Novak, Gorazd; gorazd dot novak at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Rodič, Primož; primoz dot rodic at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Četina, Matjaž; martin dot bombac at hidroinstitut dot si; Chair of Fluid Mechanics with Laboratory, Faculty of Civil and Geodetic Engineering, University of Ljubljana, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Journal or Publication Title:
Journal of Hydrology and Hydromechanics, 62, 2, pp. 150-159
Uncontrolled Keywords:eddy viscosity, hydraulic model, numerical diffusion, numerical model PCFLOW2D, turbulence model, vertical slot fishway

Abstract

This paper presents the results of an experimental and numerical study of a vertical slot fishway (VSF). A 2-D depth-averaged shallow water numerical model PCFLOW2D coupled with three different turbulent models (constant eddy viscosity, Smagorinsky and k – ε) was used. A detailed analysis of numerical parameters needed for a correct simulation of the phenomenon was carried out. Besides the velocity field, attention was paid to important hydraulic parameters such as maximum velocity in the slot region and energy dissipation rate ε in order to evaluate the performance of VSF. A scaled physical hydraulic model was built to ensure reliable experimental data for the validation of the numerical model. Simulations of variant configurations of VSF showed that even small changes in geometry can produce more fishfriendly flow characteristics in pools. The present study indicates that the PCFLOW2D program is an appropriate tool to meet the main demands of the VSF design.

Official URL: http://147.213.145.2/vc/vc1.asp

Title:Numerical and physical model study of a vertical slot fishway
Translated title:Numerical and physical model study of a vertical slot fishway
Creators:
Bombač, Martin; martin dot bombac at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Novak, Gorazd; gorazd dot novak at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Rodič, Primož; primoz dot rodic at hidroinstitut dot si; Institute for Hydraulic Research, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Četina, Matjaž; martin dot bombac at hidroinstitut dot si; Chair of Fluid Mechanics with Laboratory, Faculty of Civil and Geodetic Engineering, University of Ljubljana, Hajdrihova 28, 1000, Ljubljana, Slovenia.
Uncontrolled Keywords:eddy viscosity, hydraulic model, numerical diffusion, numerical model PCFLOW2D, turbulence model, vertical slot fishway
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Mathematics, Physics and Earth Sciences > Institute of Hydrodynamics > Journal of Hydrology and Hydromechanics
Journal or Publication Title:Journal of Hydrology and Hydromechanics
Volume:62
Number:2
Page Range:pp. 150-159
ISSN:0042-790X
Publisher:Institute of Hydrology of the Slovak Academy of Sciences and the Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic
Related URLs:
URLURL Type
http://avi.lib.cas.cz/node/55Publisher
ID Code:8198
Item Type:Article
Deposited On:05 Jun 2014 18:31
Last Modified:05 Jun 2014 16:31

Citation

Bombač, Martin; Novak, Gorazd; Rodič, Primož; Četina, Matjaž (2014) Numerical and physical model study of a vertical slot fishway. Journal of Hydrology and Hydromechanics, 62 (2). pp. 150-159. ISSN 0042-790X

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