Flow control techniques to improve the aerodynamic performance of Darrieus vertical axis wind turbines: A critical review

A Tayebi, F Torabi - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Abstract Vertical Axis Wind Turbines (VAWTs) have attracted considerable attention in
recent years due to their potential for harvesting wind energy in urban areas and low wind …

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 …

Rotating stall characteristics in the vaned diffuser of a centrifugal pump

J Feng, Z Ge, H Yang, G Zhu, C Li, X Luo - Ocean engineering, 2021 - Elsevier
Rotating stall in centrifugal pumps takes place frequently under part-load conditions, along
with high pressure pulsation. The major focus for studies is rotating stall inside the impeller …

Numerical investigation of hump characteristic improvement in a large vertical centrifugal pump with special emphasis on energy loss mechanism

G Yang, X Shen, L Shi, D Zhang, X Zhao… - Energy, 2023 - Elsevier
This study aims to numerically investigate the reasons for the hump characteristic
improvement of the large vertical centrifugal pump (LVCP) optimized model and thus …

Improving performance of H-Type NACA 0021 Darrieus rotor using leading-edge stationary/rotating microcylinders: Numerical studies

WA El-Askary, M Burlando, MH Mohamed… - Energy Conversion and …, 2023 - Elsevier
In the current paper, a computational study has been performed to simulate a novel concept
in which a fixed/rotating microcylinder is installed upstream of the leading edge of the NACA …

A comprehensive three-dimensional study on Darrieus vertical axis wind turbine with slotted blade to reduce flow separation

A Abdolahifar, SMH Karimian - Energy, 2022 - Elsevier
Aerodynamic performance of different designs of slotted blade of a straight blade Darrieus
vertical axis wind turbine and their corresponding flow structure are precisely analyzed …

Overall aerodynamic performance of the airfoils with different amplitudes via a fuzzy decision making based Taguchi methodology

M Seyhan, HA Es, M Sarioglu - Applied Soft Computing, 2024 - Elsevier
In this study, the overall aerodynamic performance of the airfoils with variable amplitude
geometric structure for lift-type vertical axis wind turbine has been analyzed and optimized …

[HTML][HTML] Passive control of boundary layer flow separation on a wind turbine airfoil using vortex generators and slot

BB Nia, M Ja'fari, AR Ranjbar, AJ Jaworski - Ocean Engineering, 2023 - Elsevier
Abstract Passive Flow Control (PFC) technique has been established as an effective
approach in the mitigation/elimination of flow separation phenomenon to enhance the …

Numerical method to predict ice accretion shapes and performance penalties for rotating vertical axis wind turbines under icing conditions

Z Baizhuma, T Kim, C Son - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
This paper proposes a numerical method to predict the ice accretion shapes and
aerodynamic performance of rotating vertical axis wind turbine (VAWTs) under icing …

[HTML][HTML] Performance characterization of a slotted wind turbine airfoil featuring passive blowing

MZ Akhter, HK Jawahar, FK Omar, E Elnajjar - Energy Reports, 2024 - Elsevier
Renewable energy is crucial for a sustainable future, and wind energy holds significant
potential as a viable solution to meet global demands. The current study employs high …