Numerical Investigation of Hydraulics in a Vertical Slot Fishway with Upgraded Configurations
Abstract
:1. Introduction
2. Materials and Methods
2.1. Geometrical Configuration
2.2. Hydrodynamic Simulations
2.2.1. FLOW-3D® Model
2.2.2. Flow Equations
2.2.3. Turbulence Model
2.2.4. Numerical Domain
3. Results and Discussion
3.1. Model Validation
3.2. The Flow Pattern of Vertical Slot Fishway
3.3. Influence of Angle between Baffles on Vmax and TKE in the Slot
3.4. Influence of the Pool Width on Vmax and TKE
3.5. Influence of the Cylinder’s Adjunction on Vmax and TKE
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Mesh | Nested Block Cell Size | Containing Block Cell Size | Number of Cell | Mesh |
---|---|---|---|---|
1 | 3 cm | 4 cm | 1,078,157 | Coarse |
2 | 2.85 cm | 3.8 cm | 1,689,598 | Medium |
3 | 2.6 cm | 3.5 cm | 2,268,478 | Fine |
Quantity | f3 | f2 | f1 | p | GCI12 | GCI23 | Asymptotic Range |
---|---|---|---|---|---|---|---|
V1 (m/s) | 1.09 | 1.21 | 1.36 | 3.11 | 0.55 | 0.62 | 0.9 |
V2 (m/s) | 0.86 | 0.95 | 1.07 | 4 | 0.39 | 0.47 | 0.9 |
Location | x = 0.5 m | x = 1.0 m | x= 1.5 m | x = 2.0 m | x = 2.5 m | |||||
---|---|---|---|---|---|---|---|---|---|---|
Num | Exp | Num | Exp | Num | Exp | Num | Exp | Num | Exp | |
y = 0.9 m | 0.085 | 0.156 | 0.121 | 0.142 | 0.155 | 0.138 | 0.149 | 0.120 | 0.149 | 0.310 |
y = 1.2 m | 0.196 | 0.148 | 0.521 | 0.360 | 0.541 | 0.350 | 0.537 | 0.328 | 0.248 | 0.301 |
y = 1.5 m | 1.401 | 1.263 | 1.421 | 1.212 | 1.214 | 1.043 | 1.114 | 0.954 | 1.164 | 0.946 |
y = 1.8 m | 1.472 | 1.365 | 0.987 | 0.971 | 1.131 | 1.051 | 1.113 | 1.091 | 1.124 | 1.150 |
y = 2.1 m | 0.179 | 0.205 | 0.070 | 0.059 | 0.213 | 0.32 | 0.389 | 0.661 | 0.638 | 0.891 |
Mean Error (%) | 6.20 | 10.4 | 9.74 | 4.61 | 5.67 |
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Ahmadi, M.; Ghaderi, A.; MohammadNezhad, H.; Kuriqi, A.; Di Francesco, S. Numerical Investigation of Hydraulics in a Vertical Slot Fishway with Upgraded Configurations. Water 2021, 13, 2711. https://doi.org/10.3390/w13192711
Ahmadi M, Ghaderi A, MohammadNezhad H, Kuriqi A, Di Francesco S. Numerical Investigation of Hydraulics in a Vertical Slot Fishway with Upgraded Configurations. Water. 2021; 13(19):2711. https://doi.org/10.3390/w13192711
Chicago/Turabian StyleAhmadi, Mohammad, Amir Ghaderi, Hossein MohammadNezhad, Alban Kuriqi, and Silvia Di Francesco. 2021. "Numerical Investigation of Hydraulics in a Vertical Slot Fishway with Upgraded Configurations" Water 13, no. 19: 2711. https://doi.org/10.3390/w13192711