A review of the optimization studies for Savonius turbine considering hydrokinetic applications

NR Maldar, CY Ng, E Oguz - Energy Conversion and Management, 2020 - Elsevier
The trend of utilizing renewable energy sources is witnessing a brisk growth around the
world. Among the various sources of renewable energy, hydropower is considered the most …

An innovative deflector system for drag-type Savonius turbine using a rotating cylinder for performance improvement

E Fatahian, F Ismail, MHH Ishak, WS Chang - Energy Conversion and …, 2022 - Elsevier
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 …

Aerodynamic performance improvement of Savonius wind turbine through a passive flow control method using grooved surfaces on a deflector

E Fatahian, F Ismail, MHH Ishak, WS Chang - Ocean Engineering, 2023 - Elsevier
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 …

[HTML][HTML] Enhancing the Performance of Savonius Wind Turbines: A Review of Advances Using Multiple Parameters

AG Chitura, P Mukumba, N Lethole - Energies, 2024 - mdpi.com
The need to globalize and implement the fourth industrial revolution has led to increased
interest in research on renewable energy harvesting equipment. Wind and solar have been …

Design optimization of an innovative deflector with bleed jets to enhance the performance of dual Savonius turbines using CFD-Taguchi method

H Fatahian, R Mishra, FF Jackson… - Energy Conversion and …, 2023 - Elsevier
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 …

[HTML][HTML] Improving the performance of Savonius wind turbine by installation of a circular cylinder upstream of returning turbine blade

T Yuwono, G Sakti, FN Aulia, AC Wijaya - Alexandria Engineering Journal, 2020 - Elsevier
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 role of wake splitter deflector on performance enhancement of Savonius wind turbine

E Fatahian, F Ismail, MHH Ishak, WS Chang - Physics of Fluids, 2022 - pubs.aip.org
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 …

Effect of surface roughness and blade material on the performance of a stationary Savonius wind turbine under different operating conditions

MH Mat Yazik, WS Chang, MHH Ishak, E Fatahian… - Physics of …, 2023 - pubs.aip.org
The Savonius wind turbine is a vertical-axis wind turbine invented in 1930s consisting of a
cylindrical drum with semi-circular blades attached to the drum. It is popular for its simple …

The advantage of flow disturbance for vertical-axis turbine in low current velocity

D Satrio, LI Ramadhan - Sustainable Energy Technologies and …, 2022 - Elsevier
Some findings start with inadvertent. One lack of a vertical-axis turbine is its low self-starting
capability. This study aimed to improve the performance in low current velocities by adding a …

Modified savonius wind turbine for wind energy harvesting in urban environments

AD Le, B Minh Duc… - Journal of Fluids …, 2022 - asmedigitalcollection.asme.org
The flow-induced rotation of the modified Savonius rotor, for which the blade consists of a
semicircular profile and an elliptical shape, is studied using a series of unsteady …