The present study mainly focused on a new design of deflector by utilizing a rotating cylinder
to augment the overall performance of the drag-type Savonius turbine since the negative …

A Savonius rotor is a Vertical-Axis Wind Turbine (VAWT) that converts wind force into torque
on a rotating shaft. The poor efficiency of this rotor is caused by the unfavorable negative …

Savonius rotor is an attractive type of Vertical-Axis Wind Turbine (VAWT) for small-scale and
urban applications, due to its simplicity in design and self-starting capability. However …

The effect of the installation of a circular cylinder upstream of the returning turbine blade on
the performance of the Savonius wind turbine was studied experimentally. The experiments …

The Savonius drag-type wind turbine suffers from poor efficiency due to the adverse
negative torques on the returning blades when they rotate against incoming flows. It was …

Savonius hydrokinetic turbine is a viable technology for producing small-scale hydropower.
The present numerical study proposed a novel deflector system to guide the incoming water …

This paper proposes a new augmentation device to improve the coefficient of power (Cp) of
a Savonius turbine using a computational fluid dynamics method. The device is a rotating …

In this present study, a circular cylinder installation has been performed to increase the
conventional savonius performance that has been simulated numerically. Placing a cylinder …

Savonius-akin hydrokinetic turbine (SAHT) is a promising technology for generating
hydropower from an ultra-low head condition with low flow velocity, wherein the kinetic …

Darrieus is a vertical-axis type turbine with difficulty rotating at low current velocity. Adding a
circular flow disturbance in front of the Darrieus turbine can improve the self-start capability …