Review on numerical techniques applied in impulse hydro turbines

S Chitrakar, BW Solemslie, HP Neopane… - Renewable energy, 2020 - Elsevier
Impulse turbines are widely used in hydropower plants around the world due to their high
efficiency in a larger operating range compared to reaction turbines. State of the art Pelton …

Fish damage assessment during the passage through traditional and fish-friendly axial-flow pumps with Lagrangian tracking approach

Q Pan, D Zhang, W Shi, BPM van Esch - Ocean Engineering, 2022 - Elsevier
A large number of fish are prone to death during the passage through pumping stations
according to the monitoring data, especially when the axial-flow pumps are equipped. This …

Computational studies of hydraulic stressors for biological performance assessment in a hydropower plant with Kaplan turbine

RK Singh, P Romero-Gomez, AH Colotelo… - Renewable Energy, 2022 - Elsevier
Hydropower is currently one of the preeminent sources of renewable energy in the United
States and globally. Hydropower plants also have detrimental impacts on the environment …

Within and among fish species differences in simulated turbine blade strike mortality: limits on the use of surrogacy for untested species

R Saylor, D Sterling, M Bevelhimer, B Pracheil - Water, 2020 - mdpi.com
Use of surrogacy remains a useful method for prioritizing research on representatives of at-
risk groups of fishes, yet quantifiable evidence in support of its use is generally not available …

Computational studies of impurity migration during induction stirring of molten uranium

RK Singh, JF Corbey, NS Deshmukh… - Computational Materials …, 2023 - Elsevier
Understanding and controlling impurity behavior in actinide metal casting processes are
foundational for efficient part production yet remain major challenges for researchers and …

Particle-based evaluations of fish-friendliness in Kaplan turbine operations

P Romero-Gomez, M Lang, J Michelcic… - … Series: Earth and …, 2019 - iopscience.iop.org
The concept of fish friendliness of hydroturbines relates to the effects of a unit design and its
operating conditions on the success of migratory fish survival during passage through …

Computational fluid dynamics simulation of passive downstream fish passage over a weir with OpenFOAM®

L Kaminski, C Thorenz, R Weichert… - Journal of …, 2024 - Taylor & Francis
Many fish species are dependent on migration through river systems. Weirs are an obstacle
to downstream migration, which can lead to obstruction as well as injury and mortality. The …

Investigating barotrauma in juvenile salmon passing through a very low head turbine using response surface methodology

M Foroughan, A Riasi… - Proceedings of the …, 2022 - journals.sagepub.com
Although hydropower is a clean source of energy, in some cases, it can jeopardize the life of
some species of riverine fish. Very Low Head (VLH) water turbine is an innovative design …

Transient stability of a hydro-turbine governing system with different tailrace tunnels

H Zhang, W Pang, D Chen, Y Tian… - Journal of Hydraulic …, 2020 - Taylor & Francis
This paper focuses on the transient stability of a hydro-turbine governing system with three
kinds of tailrace tunnels. As the transfer coefficients change with operation conditions, the …

Fish response to turbulence generated using multiple randomly actuated synthetic jet arrays

SF Harding, RP Mueller, MC Richmond… - Water, 2019 - mdpi.com
Hydroelectric power stations generate turbulent flow conditions, which represent a
potentially significant hydraulic stressor to fish passing through the turbine system. A test …