Aerodynamic design and performance parameters of a lift-type vertical axis wind turbine: A comprehensive review
The high emission of fossil fuels are major driving forces in renewable energy technology
development. In response, the lift-type vertical axis wind turbines (VAWT) is experiencing a …
development. In response, the lift-type vertical axis wind turbines (VAWT) is experiencing a …
Towards a standard approach for future Vertical Axis Wind Turbine aerodynamics research and development
Abstract The development of Vertical Axis Wind Turbines (VAWTs) has continued for nearly
half a century without agreement on a valid procedure for the design and testing of turbines …
half a century without agreement on a valid procedure for the design and testing of turbines …
[HTML][HTML] Controlling dynamic stall using vortex generators on a wind turbine airfoil
Vortex generators (VGs) have proven their capabilities in wind turbine applications to delay
stall in steady flow conditions. However, their behaviour in unsteady conditions is …
stall in steady flow conditions. However, their behaviour in unsteady conditions is …
Numerical investigation of the use of flexible blades for vertical axis wind turbines
A Hijazi, A ElCheikh, M Elkhoury - Energy Conversion and Management, 2024 - Elsevier
This study proposes a novel vertical axis wind turbine (VAWT) design with flexible blades
aiming to improve their energy extraction capability. The blade deformation is achieved …
aiming to improve their energy extraction capability. The blade deformation is achieved …
Investigation of fundamental mechanism leading to the performance improvement of vertical axis wind turbines by deflector
P Zhao, Y Jiang, S Liu, T Stoesser, L Zou… - Energy Conversion and …, 2021 - Elsevier
Wind energy utilization in urban areas revives the interests in vertical axis wind turbine
(VAWT). An upstream deflector has demonstrated to increase the overall efficiency of two …
(VAWT). An upstream deflector has demonstrated to increase the overall efficiency of two …
[HTML][HTML] Effect of pitch angle on power and hydrodynamics of a vertical axis turbine
The use of vertical-axis turbines in marine-current applications for electric energy generation
is still in early developments, and one of the key factors for assessing the applicability of …
is still in early developments, and one of the key factors for assessing the applicability of …
Experimental study of the effects of turbine solidity, blade profile, pitch angle, surface roughness, and aspect ratio on the H‐Darrieus wind turbine self‐starting and …
New and comprehensive time‐accurate, experimental data from an H‐Darrieus wind turbine
are presented to further develop our understanding of the performance of these turbines with …
are presented to further develop our understanding of the performance of these turbines with …
Toward improving the performance of a variable pitch vertical axis wind turbine (VP-VAWT), Part 2: Multi-objective optimization using NSGA-II with CFD in the loop
S Rasekh, SK Aliabadi - Ocean Engineering, 2023 - Elsevier
In this study, a multi-objective optimization is performed to improve the performance of a
Darrieus vertical axis wind turbine (VAWT) at low tip speed ratios considering the …
Darrieus vertical axis wind turbine (VAWT) at low tip speed ratios considering the …
[HTML][HTML] Improvement of self-starting capabilities of vertical axis wind turbines with new design of turbine blades
S Mitchell, I Ogbonna, K Volkov - Sustainability, 2021 - mdpi.com
A lift-driven vertical axis wind turbine (VAWT) generates peak power when it is rotating at
high tip-speed ratios (TSR), at which time the blades encounter angles of attack (AOA) over …
high tip-speed ratios (TSR), at which time the blades encounter angles of attack (AOA) over …
[HTML][HTML] Performance improvement of a darrieus tidal turbine with active variable pitch
PL Delafin, F Deniset, JA Astolfi, F Hauville - Energies, 2021 - mdpi.com
Vertical axis turbines, also called Darrieus turbines, present interesting characteristics for
offshore wind and tidal applications but suffer from vibrations and a lower efficiency than the …
offshore wind and tidal applications but suffer from vibrations and a lower efficiency than the …