[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 …

Aerodynamic performance and efficiency enhancement of a Savonius vertical axis wind turbine with Semi-Directional Curved Guide Vane, using CFD and …

F Ghafoorian, SR Mirmotahari, M Mehrpooya… - Journal of the Brazilian …, 2024 - Springer
Savonius vertical axis wind turbines, as a type of drag-based power generator
turbomachine, have long been characterized by low-efficiency challenges. One of the …

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 …

Two-stage Taguchi-based optimization on dynamically-vented blade flaps to enhance the rotor performance of a Savonius turbine

H Fatahian, Z Mohamed-Kassim - Ocean Engineering, 2024 - Elsevier
Among the vertical-axis turbine groups for small-scale wind and hydrokinetic applications,
the Savonius type is considered practical due to its simple construction, easy maintenance …

Optimization of Savonius rotor blade performance using Taguchi method: Experimental and 3D-CFD approach

MS Abdullah, F Ismail - Energy, 2024 - Elsevier
The Savonius hydrokinetic turbine (HKT) is both cost-effective and reliable, providing clean
energy with minimum environmental impact. The efficiency of the Savonius rotor can be …

[HTML][HTML] Advances in Flow Control Methods for Pump-Stall Suppression: Passive and Active Approaches

H Zhao, X Zhou, L Meng, X Zhu, C Mou, P Zhou - Energies, 2024 - mdpi.com
This article provides a comprehensive review of key approaches to suppressing stall flow in
pumps, offering insights to enhance pump performance and reliability. It begins by outlining …

A wind-direction adaptive piezoelectric energy harvester employing small wing passive control configuration

W Sun, J Li, Z Wang, Y Zhong, Z Zhang… - Applied Physics …, 2024 - pubs.aip.org
In this study, we propose a wind-direction adaptive piezoelectric energy harvester
employing a small wing passive control configuration (WDEH-SW) for bidirectional wind …

Aeroacoustic investigation of a ducted wind turbine employing bio-inspired airfoil profiles

M Mozafari, M Sadeghimalekabadi, A Fardi… - Physics of …, 2024 - pubs.aip.org
Ducted wind turbines for residential purposes are characterized by a lower diameter with
respect to conventional wind turbines for on-shore applications. The noise generated by the …

Performance analysis of a Savonius hydrokinetic turbine with aerodynamic blade shape and different overlap ratios: A numerical flow-driven approach

GV Babu, DK Patel - Ocean Engineering, 2024 - Elsevier
This study focuses on improving the performance of Savonius hydrokinetic turbines (SHTs)
by analyzing the influence of blade aerodynamics and varying overlap ratios (e D= 0 to …

Novel passive flow control method using leading-edge prism-shaped cylinder: Performance enhancement of vertical-axis wind turbines

E Fatahian, F Ismail, MHH Ishak, WS Chang - Physics of Fluids, 2024 - pubs.aip.org
Due to periodic dynamic stall at low tip speed ratios (TSRs), vertical-axis wind turbines
(VAWTs) experience notable performance challenges during rotation, which leads to …