Variable designs of vertical axis wind turbines—a review

KY Lee, A Cruden, JH Ng, KH Wong - Frontiers in Energy Research, 2024 - frontiersin.org
Omnidirectionality and simple design make VAWTs more attractive compared to HAWTs in
highly turbulent and harsh operational environments including low wind speed conditions …

Turbine blade tip aerothermal characteristics considering the influences of cavity tip shaping

K Du, X Wang, X Huang, C Liu, B Sunden - International Journal of Thermal …, 2024 - Elsevier
The presence of turbine blade tip clearance can cause tip leakage losses and enhance the
thermal load on the tip region. The continuously increasing inlet temperature of the turbine …

[HTML][HTML] Addressing VAWT Aerodynamic Challenges as the Key to Unlocking Their Potential in the Wind Energy Sector

A Abdolahifar, A Zanj - Energies, 2024 - mdpi.com
While the wind turbine industry has been primarily dominated by horizontal-axis wind
turbines, the forefront of knowledge of these turbines has revealed significant challenges in …

[HTML][HTML] Blade height impact on self-starting torque for Darrieus vertical axis wind turbines

HS Davari, RM Botez, MS Davari, H Chowdhury… - Energy Conversion and …, 2024 - Elsevier
Self-starting torque (T Self-s tarting) presents a significant challenge for Darrieus vertical
axis wind turbines (DVAWTs), often necessitating external assistance to initiate rotation. This …

Bioinspired swept-curved blade design for performance enhancement of Darrieus wind turbine

P Prakash, P Laws, S Mitra, N Mishra - Physics of Fluids, 2024 - pubs.aip.org
The present research proposes novel swept-curved bioinspired blades for Darrieus wind
turbine. The design was influenced by the curved flippers of the bottle-nose dolphin. The …

Enhancing tidal current turbine efficiency through multi-biomimetic blade design features

Y Chen, W Yang, K Wei, B Qin - Energy, 2024 - Elsevier
To achieve an efficient tidal current turbine (TCT), the impact of three biomimetic trailing
edge designs (ie, slabbing, slab-toothed, and serrated), a blade configuration design (ie …

Study on a novel dual-row vertical axis wind turbine with J-Shaped blades by using numerical methods and optimization

H Mirzaeian, B Ghobadian… - Energy Sources, Part A …, 2024 - Taylor & Francis
This study investigates the benefits of using J-shaped blades in a dual-row Darrieus wind
turbine (DDWT), combining two innovative ideas whose simultaneous impact on the self …

A systematic study on the aerodynamic performance enhancement in H-type Darrieus vertical axis wind turbines using vortex cavity layouts and deflectors

S Hosseini Rad, F Ghafoorian, M Taraghi… - Physics of …, 2024 - pubs.aip.org
The advantages of vertical axis wind turbines (VAWTs) have increasingly been recognized
as effective turbomachines. Nonetheless, significant challenges remain regarding their …

[HTML][HTML] Influence of Airfoil Curvature and Blade Angle on Vertical Axis Hydraulic Turbine Performance in Low Flow Conditions

C Shen, Y Han, S Wang, Z Wang - Water, 2024 - mdpi.com
The vertical axis hydrokinetic turbine is increasingly being used as a renewable energy
device to harness tidal energy. In coastal regions with low tidal flow velocities, vertical-axis …

Structural Analysis of a First, Second and Third Generation Horizontal Axis Hydrokinetic Turbine

CC Mancilla, JS Del Rio, AR Sánchez… - CFD …, 2024 - semarakilmu.com.my
The objective of this work is to evaluate through computational simulation the structural
integrity of a horizontal axis hydrokinetic turbine (HAHKT) when using various geometric …