Floating vertical-axis wind turbines (VAWTs) display considerable advantages over
horizontal-axis wind turbines (HAWTs) due to their Omni directionality, better structural …

Wind energy is one of the most promising renewable energy resources for power
generation, and rapid growth has been seen in its acceptance since 2000. The most …

Towards the end of 20th and beginning of the 21st centuries, interest has risen in new and
renewable energy (RE) sources especially wind energy for electricity generation. The …

This paper numerically investigates four methods, namely mesh refinement, General
Richardson Extrapolation (GRE), Grid Convergence Index (GCI), and the fitting method, in …

The aerodynamic behavior of a vertical axis wind turbine (VAWT) is analyzed by means of
2D particle image velocimetry (PIV), focusing on the development of dynamic stall at …

This research emphasizes designing a straight-bladed Double-Darrieus hybrid vertical axis
wind turbine (VAWT) with a high power coefficient as well as self-starting capability …

Vertical-axis wind turbines (VAWT) are excellent candidates to complement traditional wind
turbines and increase the total wind energy capacity. Development of VAWT has been …

Horizontal axis wind turbines (HAWTs) are the mainstream of wind power industry in the
world; however, as turbines are becoming bigger, the maintenance of equipments grows …

This paper presents some aspects concerning the 2D RANS numerical modeling of a
Darrieus cross flow marine turbine. Two main features of the modeling are studied. The first …

Vertical axis wind turbines (VAWTs) suffer from a poor power performance at low tip speed
ratios, where their blade aerodynamics are dominated by unsteady separation and dynamic …