Four decades of research into the augmentation techniques of Savonius wind turbine rotor

N Alom, UK Saha - Journal of Energy Resources …, 2018 - asmedigitalcollection.asme.org
The design and development of wind turbines is increasing throughout the world to offer
electricity without paying much to the global warming. The Savonius wind turbine rotor, or …

Computational fluid dynamics and turbulence modelling in various blades of Savonius turbines for wind and hydro energy: Progress and perspectives

A Dewan, SS Tomar, AK Bishnoi, TP Singh - Ocean Engineering, 2023 - Elsevier
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 …

Numerical investigation of the Savonius vertical axis wind turbine and evaluation of the effect of the overlap parameter in both horizontal and vertical directions on its …

M Ebrahimpour, R Shafaghat, R Alamian… - Symmetry, 2019 - mdpi.com
Exploiting wind energy, which is a complex process in urban areas, requires turbines
suitable for unfavorable weather conditions, in order to trap the wind from different …

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 …

Insights into the flow dynamics and rotor performance of a Savonius turbine with dynamic venting using controllable flaps

H Fatahian, Z Mohamed-Kassim, WS Chang - Physics of Fluids, 2022 - pubs.aip.org
The drag-driven vertical-axis turbines with semicircular rotor blades, commonly known as
Savonius turbines, remain potentially beneficial to extract renewable energy from wind and …

Flow-induced vibrations of elastically-mounted C-and D-section cylinders

G Sharma, H Garg, R Bhardwaj - Journal of Fluids and Structures, 2022 - Elsevier
We numerically study the flow-induced vibration (FIV) response of an elastically-mounted
cylinder in two-dimensional coordinates at Reynolds number of 100. In particular, the effects …

Direct numerical simulations of laminar and transitional flows in diverging pipes

D Vittal Shenoy, M Safdari Shadloo… - International Journal of …, 2020 - emerald.com
Purpose Fluid flows in pipes whose cross-sectional area are increasing in the stream-wise
direction are prone to separation of the recirculation region. This paper aims to investigate …

Intelligent parameter optimization of Savonius rotor using artificial neural network and genetic algorithm

M Mohammadi, M Lakestani, MH Mohamed - Energy, 2018 - Elsevier
Power coefficient, the most significant criterion for evaluating the performance of Savonius
rotor is a multi-dimensional function of numerous parameters like overlap ratio, number of …

Numerical investigations of coupled aeroelastic performance of wind turbines by elastic actuator line model

J Zheng, N Wang, D Wan, S Strijhak - Applied Energy, 2023 - Elsevier
With the economic considerations of wind power generation, blades of wind turbines are
gradually becoming longer and more flexible. Therefore, it is necessary to research the …

Velocity and performance correction methodology for hydrokinetic turbines experimented with different geometry of the channel

V Patel, TI Eldho, SV Prabhu - Renewable energy, 2019 - Elsevier
The aim of the present work is to study the influence of channel geometrical parameters on
the performance of Savonius type hydrokinetic turbine and to present velocity correction …