Performance and near-wake characterization of a tidal current turbine in elevated levels of free stream turbulence
Tidal turbines are deployed in sites which have elevated levels of free stream turbulence
(FST). Accounting for elevated FST on their operation become vital from a design standpoint …
(FST). Accounting for elevated FST on their operation become vital from a design standpoint …
[HTML][HTML] CFD simulation of tidal-stream turbines in a compact array
DD Apsley - Renewable Energy, 2024 - Elsevier
An actuator-line RANS CFD model is used to simulate loads (thrust, power and flapwise
bending moment) on tidal-stream turbines. Results are compared with other groups' …
bending moment) on tidal-stream turbines. Results are compared with other groups' …
[HTML][HTML] Analysis of tidal turbine blade loading due to blade scale flow
A blade element model is developed to include unsteady lift and drag coefficients and it is
shown that this provides improved prediction of the spectrum of root bending moment of a …
shown that this provides improved prediction of the spectrum of root bending moment of a …
Experimental study of bathymetry generated turbulence on tidal turbine behaviour
B Gaurier, M Ikhennicheu, G Germain, P Druault - Renewable Energy, 2020 - Elsevier
In high flow velocity areas like those suitable for tidal applications, turbulence intensity is
high and flow variations may have a major impact on tidal turbine behaviour. A three-bladed …
high and flow variations may have a major impact on tidal turbine behaviour. A three-bladed …
Sea states influence on the behaviour of a bottom mounted full-scale twin vertical axis tidal turbine
M Moreau, G Germain, G Maurice, A Richard - Ocean Engineering, 2022 - Elsevier
As only a few tidal turbine developers have reached full-scale installation, the community
lacks clear feedback on the validity of development tools to predict in-situ behaviour. From …
lacks clear feedback on the validity of development tools to predict in-situ behaviour. From …
Turbine design dependency to turbulence: An experimental study of three scaled tidal turbines
In this paper the turbulence effects are studied for three rotors mounted on the same
instrumented hub. Two scaled models of industrial turbines and one open-geometry turbine …
instrumented hub. Two scaled models of industrial turbines and one open-geometry turbine …
Tidal energy site characterisation in a large tidal channel in Banks Strait, Tasmania, Australia
Banks Strait is a 15 km wide tidal channel in Tasmania, Australia, and has been identified as
a prospective site for tidal energy extraction, however flow characteristics have never been …
a prospective site for tidal energy extraction, however flow characteristics have never been …
Spatial integration effect on velocity spectrum: Towards an interpretation of the− 11/3 power law observed in the spectra of turbine outputs
P Druault, B Gaurier, G Germain - Renewable Energy, 2022 - Elsevier
To improve the turbine operational life, the interaction between flow properties and turbine
performance needs to be elucidated. We then propose to examine the physical origin of the …
performance needs to be elucidated. We then propose to examine the physical origin of the …
Experimental study of the shear flow effect on tidal turbine blade loading variation
M Magnier, N Delette, P Druault, B Gaurier… - Renewable Energy, 2022 - Elsevier
Tidal turbine arrays are planed to be installed in areas with strong currents where the flow
can often be sheared throughout the water column. To study the shear flow effects on tidal …
can often be sheared throughout the water column. To study the shear flow effects on tidal …
An investigation of tidal turbine performance and loads under various turbulence conditions using Blade Element Momentum theory and high-frequency field data …
Potential tidal energy sites are characterized by strong currents and high levels of shear,
which is the main source of turbulent kinetic energy production. Enhanced turbulence levels …
which is the main source of turbulent kinetic energy production. Enhanced turbulence levels …