Review on numerical techniques applied in impulse hydro turbines
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 …
efficiency in a larger operating range compared to reaction turbines. State of the art Pelton …
Design optimization of an Archimedes screw turbine for hydrokinetic applications using the response surface methodology
M Bouvant, J Betancour, L Velásquez… - Renewable Energy, 2021 - Elsevier
In this study, the performance of an Archimedes screw turbine (AST), in terms of the power
coefficient (CP), was evaluated. The design parameters, including the inner and the outer …
coefficient (CP), was evaluated. The design parameters, including the inner and the outer …
Design and optimization of a runner for a gravitational vortex turbine using the response surface methodology and experimental tests
J Betancour, F Romero-Menco, L Velásquez… - Renewable Energy, 2023 - Elsevier
In this work, four runners for a gravitational vortex turbine (GVT) were initially analyzed
numerically with the aim of selecting the one with the best efficiency (η). The selected rotor …
numerically with the aim of selecting the one with the best efficiency (η). The selected rotor …
CFD Simulation Model for Optimum Design of B-Series Propeller using Multiple Reference Frame (MRF)
NVA Permadi, E Sugianto - CFD Letters, 2022 - semarakilmu.com.my
Propulsion system is one of ship systems which require more attention, especially on
propeller design. The propeller design greatly affects the ship speed. It is expected to be …
propeller design. The propeller design greatly affects the ship speed. It is expected to be …
Application of the grid convergency index method and courant number analysis for propeller turbine simulation
The computational method has long been used in propeller turbine studies. However, there
has not yet been a comprehensive explanation for mesh and timestep independency …
has not yet been a comprehensive explanation for mesh and timestep independency …
[HTML][HTML] Numerical and experimental study of hydrofoil-flap arrangements for hydrokinetic turbine applications
J Aguilar, L Velásquez, F Romero, J Betancour… - Journal of King Saud …, 2021 - Elsevier
In this work, the efficiency of two horizontal-axis hydrokinetic turbines, whose blades were
designed with and without multi-element hydrofoil cross-sections, has been numerical and …
designed with and without multi-element hydrofoil cross-sections, has been numerical and …
History of utilization of the computational fluid dynamics method for study pico hydro type cross-flow
Energy crisis in particular, electricity in the isolated rural areas of Indonesia is a very crucial
issue that needs to be resolve through electrification. Compared to other options, pico hydro …
issue that needs to be resolve through electrification. Compared to other options, pico hydro …
CFD simulation of a submersible passive rotor at a pipe outlet UNDER time-varying water Jet Flux
During the past two decades, passive rotors have been proposed and introduced to be used
in a number of different water sector applications. One of these applications is the use of a …
in a number of different water sector applications. One of these applications is the use of a …
[HTML][HTML] Numerical and experimental study of several passive wave absorber behavior in a wave channel
J Urrego-Pabón, J Mercado, F Obando-Vega… - Results in …, 2024 - Elsevier
Wave channels are essential facilities for testing physical models at a laboratory scale,
playing a pivotal role in advancing wave energy technology and understanding wave …
playing a pivotal role in advancing wave energy technology and understanding wave …
Study of turbulence model for performance and flow field prediction of pico hydro types propeller turbine
W Warjito, SBS Nasution, MF Syahputra… - CFD Letters, 2020 - akademiabaru.com
The computational fluid dynamics (CFD) method is a method often used in predicting the
performance and flow field of turbine because it is cheap and fast. The accuracy of CFD …
performance and flow field of turbine because it is cheap and fast. The accuracy of CFD …