A review of hydrokinetic turbines and enhancement techniques for canal installations: Technology, applicability and potential

CM Niebuhr, M Van Dijk, VS Neary… - … and Sustainable Energy …, 2019 - Elsevier
The hydrokinetic industry has advanced beyond its initial testing phase with full-scale
projects being introduced, constructed and tested globally. However primary hurdles such …

A review of commercial numerical modelling approaches for axial hydrokinetic turbine wake analysis in channel flow

CM Niebuhr, S Schmidt, M Van Dijk, L Smith… - … and Sustainable Energy …, 2022 - Elsevier
Computational fluid dynamics is employed for detailed prediction of the hydrokinetic turbine
performance and wake modelling. Of these, Reynolds-averaged Navier-Stokes (RANS) …

Assessment of URANS and LES methods in predicting wake shed behind a vertical axis wind turbine

A Sheidani, S Salavatidezfouli, G Stabile… - Journal of Wind …, 2023 - Elsevier
In order to shed light on the Vertical-Axis Wind Turbines (VAWT) wake characteristics, in this
paper we present high-fidelity CFD simulations of the flow around an exemplary H-shaped …

A parametric study and optimization of the fully-passive flapping-foil turbine at high Reynolds number

M Boudreau, M Picard-Deland, G Dumas - Renewable Energy, 2020 - Elsevier
The dynamics of a fully-passive flapping-foil turbine, operating at a Reynolds number of 3.9×
10 6, is studied via two-dimensional fluid-structure numerical simulations. The foil is allowed …

Experimental characterisation of the wake behind paired vertical-axis wind turbines

A Vergaerde, T De Troyer, S Muggiasca, I Bayati… - Journal of Wind …, 2020 - Elsevier
Two vertical-axis wind turbines (VAWTs) benefit from a power increase when placed side by
side in close proximity. To study the potential of paired VAWTs for integration in wind farms …

A computational investigation to analyze the effects of different rotor parameters on hybrid hydrokinetic turbine performance

G Saini, RP Saini - Ocean Engineering, 2020 - Elsevier
Cross flow hydrokinetic turbines have been considered a decent choice for riverine
applications. Under the present work, performance of hybrid rotor cross flow hydrokinetic …

Effect of surge motion on rotor aerodynamics and wake characteristics of a floating horizontal-axis wind turbine

Y Fang, G Li, L Duan, Z Han, Y Zhao - Energy, 2021 - Elsevier
Aerodynamics of a floating horizontal-axis wind turbine (FHAWT) is subject to its platform's
six degrees of freedom (DOFs) motion, especially the surge motion, and may become much …

Recovery in the wake of in-line axial-flow rotors

A Posa, R Broglia, E Balaras - Physics of Fluids, 2022 - pubs.aip.org
The flow around the rotor of an axial turbine, operating in the wake of an upstream one, is
resolved using large-eddy simulation on a cylindrical grid consisting of 3.8 billion points …

Actuator line modeling of vertical-axis turbines

P Bachant, A Goude, M Wosnik - arXiv preprint arXiv:1605.01449, 2016 - arxiv.org
To bridge the gap between high and low fidelity numerical modeling tools for vertical-axis (or
cross-flow) turbines (VATs or CFTs), an actuator line model (ALM) was developed and …

Analysis of the momentum recovery in the wake of aligned axial-flow hydrokinetic turbines

A Posa, R Broglia - Physics of Fluids, 2022 - pubs.aip.org
Large-Eddy Simulations are reported, dealing with an axial-flow hydrokinetic turbine
operating in the wake of an upstream one. Computations were conducted on a cylindrical …