Computational fluid dynamics and turbulence modelling in various blades of Savonius turbines for wind and hydro energy: Progress and perspectives
The world's focus is shifting towards solar and wind energies which are primarily
contributing to renewable energy. Wind turbines are subdivided into horizontal axis wind …
contributing to renewable energy. Wind turbines are subdivided into horizontal axis wind …
Aerodynamic performance improvement of Savonius wind turbine through a passive flow control method using grooved surfaces on a deflector
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 …
on a rotating shaft. The poor efficiency of this rotor is caused by the unfavorable negative …
Design optimization of an innovative deflector with bleed jets to enhance the performance of dual Savonius turbines using CFD-Taguchi method
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 …
urban applications, due to its simplicity in design and self-starting capability. However …
Optimal design of Savonius wind turbine blade based on support vector regression surrogate model and modified flower pollination algorithm
R Jia, H Xia, S Zhang, W Su, S Xu - Energy Conversion and Management, 2022 - Elsevier
Blade shape has a significant effect on the wind-capturing ability of the Savonius wind
turbine. This paper proposes an intelligent optimization method for optimizing the shape of …
turbine. This paper proposes an intelligent optimization method for optimizing the shape of …
The role of wake splitter deflector on performance enhancement of Savonius wind turbine
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 …
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
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 …
cylindrical drum with semi-circular blades attached to the drum. It is popular for its simple …
Hydrodynamic performance enhancement of Savonius hydrokinetic turbine using wedge-shaped triangular deflector in conjunction with circular deflector
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 …
The present numerical study proposed a novel deflector system to guide the incoming water …
An overview of blade materials and technologies for hydrokinetic turbine application
MH Mat Yazik, C Wei Shyang, MHH Ishak… - International Journal of …, 2024 - Taylor & Francis
Hydrokinetic turbines experience a harsh hydrodynamic environment with complex vortical
flows which increase failure probability. The selection of turbine blade material is extremely …
flows which increase failure probability. The selection of turbine blade material is extremely …
Performance improvement of the Savonius turbine using a novel augmentation device with the Taguchi optimization method
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 …
a Savonius turbine using a computational fluid dynamics method. The device is a rotating …
[HTML][HTML] Blade shape optimization of Savonius wind turbine using radial based function model and marine predator algorithm
H Xia, S Zhang, R Jia, H Qiu, S Xu - Energy Reports, 2022 - Elsevier
In order to overcome the problems of low efficiency and poor results of classical optimization
methods, an efficient, intelligent, and reliable method for optimizing the shape of the blades …
methods, an efficient, intelligent, and reliable method for optimizing the shape of the blades …