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Wenping Luo, Weiqin Liu, Meng Yang, Shuo Chen, Xuemin Song and Weiguo Wu
Operating Offshore Floating Vertical Axis Wind Turbines (OF-VAWT) have the potential to perform well in the deep-sea area. Some researchers gave performance prediction by developing simplified computing models. However, these models have imperfections in...
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Ketut Wirtayasa, Chun-Yu Hsiao and Nien-Che Yang
Commonly, electrical energy is generated by using non-renewable energy such as natural gas, coal, and oil. As electrical energy is a basic asset for the development of a region, its utilization is increasing every year, which causes the existence of non-...
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Amani I. Altmimi, Mustafa Alaskari, Oday Ibraheem Abdullah, Ahmed Alhamadani and Jenan S. Sherza
Wind energy is considered one of the most important sources of renewable energy in the world, because it contributes to reducing the negative effects on the environment. The most important types of wind turbines are horizontal and vertical axis wind turb...
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Lei Tan, Tomoki Ikoma, Yasuhiro Aida and Koichi Masuda
Barge-type platforms with moonpools are a promising type of foundation for floating offshore wind turbines due to their good seakeeping performance. In this paper, the mean wave drift force on a barge-type vertical-axis floating wind turbine with multipl...
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Javier Blanco, Juan de Dios Rodriguez, Antonio Couce and Maria Isabel Lamas
This work analyzes the Savonius vertical axis wind turbine. A new geometry inspired the Fibonacci?s spiral was analyzed, obtaining a considerable improvement by both CFD and experimental tests.
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Yichen Jiang, Chenlu He, Peidong Zhao and Tiezhi Sun
Vertical axis wind turbine (VAWT) is a competitive power generation device due to structural simplicity, wind direction independence, no yaw mechanism required, easier maintenance, and lower noise emission. However, blade tip vortex will be generated at ...
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Li Zou, Kun Wang, Yichen Jiang, Aimin Wang and Tiezhi Sun
Owing to the rapid development of the offshore wind power technology and increasing capacity of wind turbines, vertical-axis wind turbines (VAWTs) have experienced a great development. Nevertheless, the VAWT wake effect, which affects the power generatio...
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Ah-Der Lin, Tsung-Pin Hung, Jao-Hwa Kuang and Hsiu-An Tsai
A parallel planetary gear train design is proposed to construct the wind turbine system that has double inputs and one output. The proposed system is flexible for the application, which may use a combination of two rotors, as used for horizontal axis or ...
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Colin Hansen and Kristy Hansen
This review is focussed on large-scale, horizontal-axis upwind turbines. Vertical-axis turbines are not considered here as they are not sufficiently efficient to be deployed in the commercial generation of electricity. Recent developments in horizontal-a...
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Nicoletta Franchina, Otman Kouaissah, Giacomo Persico and Marco Savini
The paper presents the results of a computational study on the aerodynamics and the performance of a small-scale Vertical-Axis Wind Turbine (VAWT) for distributed micro-generation. The complexity of VAWT aerodynamics, which are inherently unsteady and th...
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