The Darrieus vertical axis wind turbine (VAWT) has been the subject of a large number of
recent studies to improve self-starting capability and aerodynamic performance. This study …

The use of vertical-axis turbines in marine-current applications for electric energy generation
is still in early developments, and one of the key factors for assessing the applicability of …

The vertical axis wind turbine is one of the most attractive propulsion systems for sustainable
energy generation around the globe. The performance of a vertical axis wind turbine is …

The general frame of the present study falls under the umbrella of ongoing research and
innovation in wind energy technology to improve the efficiency and reliability of vertical-axis …

In this paper, numerical simulations are conducted to compare the performances of a fixed-
blade vertical-axis turbine (VAT), and a variable pitch VAT whose blades are forced to do …

Vertical axis turbines, also called Darrieus turbines, present interesting characteristics for
offshore wind and tidal applications but suffer from vibrations and a lower efficiency than the …

The use of vertical-axis turbines is raising interest in the field of hydropower production from
rivers or water channels, where suitable mass flows are available, without the need of high …

The Darrieus vertical axis wind-turbine (VAWT) has been the subject of numerous recent
studies aimed at improving its aerodynamic performance in order to locate it in urban areas …

In this work, the aerodynamic performance and optimization of a vertical-axis wind turbine
with a high tip-speed ratio are theoretically studied on the basis of the two-dimensional …

Tidal energy is an attractive renewable resource given its predictability. The production of
reliable, efficient and cost-effective tidal energy turbines requires the development of …