Hydraulic Optimization of Shaft Hydropower Plant Intake Configurations Using 3D-CFD: the At-Bashy Case, Kyrgyzstan
Bertalan Alapfy, Daniel S. Hayes, Moritz Roth, Nils Rüther · 2026
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Description
Bertalan Alapfy and co-authors tune water flow at a small hydro plant intake in a 2026 study of the At-Bashy site in Kyrgyzstan. Shaft type plants tucked into old weirs offer compact low head power, but tight shapes and shifting flow can hurt both output and fish safety. A three dimensional flow model was used to test intake shapes before any build work.
Nine intake layouts varied rack length and water depth above the rack while flow to the turbine stayed fixed. Deeper water above the rack cut sharp downward jets near the rack and smoothed the flow field. Longer racks mainly eased the average downward bend. A mid length rack with mid to deep cover gave the best balance of fish safety and cost.
Catalog record
| CREATOR | Bertalan Alapfy, Daniel S. Hayes, Moritz Roth, Nils Rüther |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 65176 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |