Results 21 to 30 of about 3,629 (222)

Dynamic Modeling of Wind Turbines Based on Estimated Wind Speed under Turbulent Conditions

Energies, 2019
Large-scale wind turbines with a large blade radius rotates under fluctuating conditions depending on the blade position. The wind speed is maximum in the highest point when the blade in the upward position and minimum in the lowest point when the blade ...
Ahmed G. Abo-Khalil, Saeed Alyami, Khairy Sayed, Ayman Alhejji   +3 more
doaj   +1 more source

AI-Driven Fault Detection and O&M for Wind Turbine Drivetrains: A Review of SCADA, CMS and Digital Twin Integration

Energies
The rapid expansion of wind energy has increased the operational complexity of wind turbines, where component degradation, environmental variability, and maintenance decisions are tightly coupled.
Ning Jia, Jiangzhe Feng, Zongyou Zuo, Zhiyi Liu, Tengyuan Wang, Chang Cai, Qingan Li   +6 more
doaj   +1 more source

Wind Turbine Optimization for Minimum Cost of Energy in Low Wind Speed Areas Considering Blade Length and Hub Height

Applied Sciences, 2018
In recent years, sites with low annual average wind speeds have begun to be considered for the development of new wind farms. The majority of design methods for a wind turbine operating at low wind speed is to increase the blade length or hub height ...
Han Yang, Jin Chen, Xiaoping Pang
doaj   +1 more source

Investigating Rotor Conditions on Wind Turbines Using Integrating Tree Classifiers

International Journal of Photoenergy, 2022
Renewable wind power is productive and feasible to manage the energy crisis and global warming. The wind turbine’s blades are the essential components. The dimension of wind turbine blades has been increased with blade sizes varying from approx.
Bikash Chandra Saha, Joshuva Arockia Dhanraj, M. Sujatha, R. Vallikannu, Mohana Alanazi, Ahmad Almadhor, Ravishankar Sathyamurthy, Kuma Gowwomsa Erko, V. Sugumaran   +8 more
doaj   +1 more source

Computational Fluid Dynamics Prediction of a Modified Savonius Wind Turbine with Novel Blade Shapes

Energies, 2015
The Savonius wind turbine is a type of vertical axis wind turbine (VAWTs) that is simply composed of two or three arc-type blades which can generate power even under poor wind conditions.
Wenlong Tian, Baowei Song, James H. VanZwieten, Parakram Pyakurel   +3 more
doaj   +1 more source

Optimisation of Highly Efficient Composite Blades for Retrofitting Existing Wind Turbines

Energies, 2022
Currently, wind energy, a reliable, affordable, and clean energy source, contributes to 16% of Europe’s electricity. A typical modern wind turbine design lifespan is 20 years.
Yadong Jiang, William Finnegan, Tomas Flanagan, Jamie Goggins   +3 more
doaj   +1 more source

A Review on Performance Calculation and Design Methodologies for Horizontal-Axis Wind Turbine Blades

Energies
The efficient, low-cost, and large-scale development and utilization of offshore wind energy resources is an inevitable trend for future growth. With the continuous increase in the scale of wind turbines and their expansion into deep-sea locations, there
Rongyu Zha, Siyuan Wu, Chang Cai, Xiaohui Liu, Dian Wang, Chaoyi Peng, Xuebin Feng, Qiuhua Chen, Xiaohui Zhong, Qing’an Li   +9 more
doaj   +1 more source

Initial Rotation Characteristic Investigation of a Hybrid Savonius - Darrieus Wind Turbine using 6 DOF Computational Fluid Dynamics

Mekanika, 2021
The inconsistency of the wind flow considered as one of the factors which tend to decrease the performance of the wind turbine. This paper proposes a further analysis of the initial rotation characteristic of a hybrid Savonius - Darrieus wind turbine ...
Hangga Wicaksono, Sugeng Hadi Susilo, Bayu Pranoto, Muhammad Fakhruddin   +3 more
doaj   +1 more source

Enhancing Aerodynamic Performance of Horizontal Axis Wind Turbine Blade Aerodynamic Performance Under Rough Wall Condition Using Vortex Generators

Journal of Marine Science and Engineering
In the complex and harsh working environment of wind turbines, the horizontal axis wind turbine blade is increasingly confronted with the issue of surface roughening.
Yingjian Yang, Dian Wang, Hairui Zhang, Rongyu Zha, Guangxing Wu, Chang Cai, Jianhua Zhang, Qing’an Li   +7 more
doaj   +1 more source

Integrated Design and Experimental Validation of a Fixed-Pitch Rotor for Wind Tunnel Testing

Energies, 2023
In this paper we report about the design and validation of a 1.2 m wind turbine rotor with fixed blade pitch. The wind turbine is a scaled version of the DTU 10 MW. Integrated design of dimensional scaling laws, blade aerodynamics, and turbine control is
Alessandro Fontanella, Giulia Da Pra, Marco Belloli   +2 more
doaj   +1 more source