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Junwei Yang, Hua Yang, Xiangjun Wang and Nailu Li
The present work aimed to investigate the aerodynamic characteristics of a pitching wind turbine airfoil with a Gurney flap under turbulent inflow. Experiments were carried out for the DTU-LN221 offshore wind turbine airfoil under different turbulence le...
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Adel Younis and Zuomin Dong
The employment of conventional optimization procedures that must be repeatedly invoked during the optimization process in real-world engineering applications is hindered despite significant gains in computing power by computationally expensive models. As...
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Irene Solís-Gallego, Katia María Argüelles Díaz, Jesús Manuel Fernández Oro and Sandra Velarde-Suárez
Noise has arisen as one of the main restrictions for the deployment of wind turbines in urban environments or in sensitive ecosystems like oceans for offshore and coastal applications. An LES model, adequately planned and resolved, is useful to describe ...
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Chi-Jeng Bai, Wei-Cheng Wang, Po-Wei Chen and Wen-Tong Chong
In designing a horizontal-axis wind turbine (HAWT) blade, system integration between the blade design and the performance test of the generator is important. This study shows the aerodynamic design of a HAWT blade operating with an axial-flux permanent m...
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Setiadi Wira Buana, Putty Yunesti, Guna Bangun Persada, Abdul Muhyi
Pág. 86 - 90
This research aims to determine performance of turbine rotor performance with a single rotor blade model with a diameter of 0.6 m that has been developed by NORCOWE, while for turbine rotor blades used is the NREL S826 airfoil series. The wind turbines a...
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Setiadi Wira Buana, Putty Yunesti, Guna Bangun Persada, Abdul Muhyi
Pág. 86 - 90
This research aims to determine performance of turbine rotor performance with a single rotor blade model with a diameter of 0.6 m that has been developed by NORCOWE, while for turbine rotor blades used is the NREL S826 airfoil series. The wind turbines a...
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Xuan Bai, Hao Zhan and Baigang Mi
Flow separation occurs when wind turbines operate under large inflow conditions, which seriously affects the utilization of wind energy and reduces the output power of the blade. Therefore, a composite flow control configuration for horizontal axis wind ...
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Zhaoyong Mao, Tianqi Zhang, Guangyong Yang and Wenlong Tian
Gurney flaps can enhance the hydrodynamic efficiency of airfoils, and they are currently used in several applications, including racing cars and wind turbines. However, there is a lack of studies in the literature on the application of Gurney flaps on th...
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Sanjay Nikhade,Suhas Kongre,S. B. Thakre,S. S. Khandare
Pág. 11 - 18
This paper presents a combined experimental and Computational Fluid Dynamics (CFD) simulation of Micro wind Turbine with 2.28 meters rotor Diameter is performed using the FLUENT 16.2 WORKBENCH. A Micro Horizontal Axis Three Blade Wind Turbine was designe...
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Hamid R. Kaviani and Mohammad Moshfeghi
Blade optimization methods are crucial for wind turbine design. In this research, a new set of values for the parameters of the Particle Swarm Optimization (PSO) method is proposed, and its effects on the enhancement of the power generation of the NREL W...
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Jiahuan Lin, Huawei Duan, Baoming Xu, Yangwei Wang and Jun Zhang
The Froude-scaled offshore floating wind turbine model is inevitably affected by the Reynolds number effect, making the model unable to correctly reproduce the thrust performance of the reference wind turbine (RWT). To solve this problem, an Xfoil-Airfoi...
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The development of wind turbine technology has led to higher and larger wind turbines with a higher sensitivity to dynamic effects. One of these effects is the aerodynamic damping, which introduces favorable damping forces in oscillating wind turbines. T...
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Jang-oh Mo and Beom-seok Rho
Understanding the characteristics and effects of the laminar separation bubbles (LSBs) is important in the aerodynamic design of wind turbine airfoils for maximizing wind turbine efficiency. In the present study, numerical simulations using the ;...
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Leander Hake, Felix Reinker, Robert Wagner, Stefan aus der Wiesche and Markus Schatz
Results from an experimental profile loss study are presented of an additive manufactured linear turbine cascade placed in the test section of a closed-loop organic vapor wind tunnel. This test facility at Muenster University of Applied Sciences allows t...
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Reinhard Niehuis and Martin Bitter
Since its first operation in 1956 at DFL Braunschweig and after its movement to Munich, the High-Speed Cascade Wind Tunnel (HGK) at Bundeswehr University Munich is intensively used for fundamental and application-oriented research on aero-thermodynamics ...
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Fei-Bin Hsiao, Chi-Jeng Bai and Wen-Tong Chong
Three different horizontal axis wind turbine (HAWT) blade geometries with the same diameter of 0.72 m using the same NACA4418 airfoil profile have been investigated both experimentally and numerically. The first is an optimum (OPT) blade shape, obtained ...
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Yu-Ting Yan, Shi-Ming Xu, Cong Liu, Xiao Zhang, Jian-Mei Chen, Xue-Ming Zhang and Yong-Jun Dong
For the design of a horizontal-axis tidal current turbine with adaptive variable-pitch blades, both numerical simulations and physical model experiments were used to study the hydrodynamic performance of symmetrical airfoil blades based on backward swept...
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