Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies

With the development of the wind power industry, wind turbine blades are increasingly adopting ultra-large-scale designs. However, as the size of blades continues to increase, existing aerodynamic calculation methods struggle to achieve both relatively high computational accuracy and efficiency simu...

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Main Authors: Shiyu Yang, Mingming Zhang, Yu Feng, Haikun Jia, Na Zhao, Qingwei Chen
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Fluids
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Online Access:https://www.mdpi.com/2311-5521/10/5/112
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author Shiyu Yang
Mingming Zhang
Yu Feng
Haikun Jia
Na Zhao
Qingwei Chen
author_facet Shiyu Yang
Mingming Zhang
Yu Feng
Haikun Jia
Na Zhao
Qingwei Chen
author_sort Shiyu Yang
collection DOAJ
description With the development of the wind power industry, wind turbine blades are increasingly adopting ultra-large-scale designs. However, as the size of blades continues to increase, existing aerodynamic calculation methods struggle to achieve both relatively high computational accuracy and efficiency simultaneously. To tackle this challenge, this research focuses on the low accuracy issues of the traditional Blade Element Momentum theory (BEM) in predicting the aerodynamic performance of wind turbine blades. Consequently, a correction framework is proposed, to integrate the Computational Fluid Dynamics (CFD) method with the Multilayer Perceptron (MLP) neural network. In this approach, the CFD method is used to predict the airflow characteristics around the blades, and the MLP neural network is employed to model the intricate functional relationships between multiple influencing factors and key aerodynamic parameters. This process results in high-precision predictive functions for key aerodynamic parameters, which are then used to correct the traditional BEM. When this correction framework is applied to the rotor of the IEA 15 MW wind turbine, the effectiveness of MLP in predicting key aerodynamic parameters is demonstrated. The research findings suggest that this framework can enhance the accuracy of BEM aerodynamic load predictions to a level comparable to that of RANS.
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spelling doaj-art-aa3da25296724bde87d8d6db64658b982025-08-20T02:33:55ZengMDPI AGFluids2311-55212025-04-0110511210.3390/fluids10050112Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence TechnologiesShiyu Yang0Mingming Zhang1Yu Feng2Haikun Jia3Na Zhao4Qingwei Chen5School of Robotics and Advanced Manufacture, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, ChinaSchool of Robotics and Advanced Manufacture, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, ChinaSchool of Robotics and Advanced Manufacture, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, ChinaNational Key Laboratory of Renewable Energy Grid-Integration, China Electric Power Research Institute, Beijing 100192, ChinaNational Key Laboratory of Renewable Energy Grid-Integration, China Electric Power Research Institute, Beijing 100192, ChinaEconomic & Technology Research Institute, State Grid Shandong Electric Power Company, Jinan 250021, ChinaWith the development of the wind power industry, wind turbine blades are increasingly adopting ultra-large-scale designs. However, as the size of blades continues to increase, existing aerodynamic calculation methods struggle to achieve both relatively high computational accuracy and efficiency simultaneously. To tackle this challenge, this research focuses on the low accuracy issues of the traditional Blade Element Momentum theory (BEM) in predicting the aerodynamic performance of wind turbine blades. Consequently, a correction framework is proposed, to integrate the Computational Fluid Dynamics (CFD) method with the Multilayer Perceptron (MLP) neural network. In this approach, the CFD method is used to predict the airflow characteristics around the blades, and the MLP neural network is employed to model the intricate functional relationships between multiple influencing factors and key aerodynamic parameters. This process results in high-precision predictive functions for key aerodynamic parameters, which are then used to correct the traditional BEM. When this correction framework is applied to the rotor of the IEA 15 MW wind turbine, the effectiveness of MLP in predicting key aerodynamic parameters is demonstrated. The research findings suggest that this framework can enhance the accuracy of BEM aerodynamic load predictions to a level comparable to that of RANS.https://www.mdpi.com/2311-5521/10/5/112CFDBEMneural network
spellingShingle Shiyu Yang
Mingming Zhang
Yu Feng
Haikun Jia
Na Zhao
Qingwei Chen
Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
Fluids
CFD
BEM
neural network
title Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
title_full Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
title_fullStr Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
title_full_unstemmed Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
title_short Research on the Improvement of BEM Method for Ultra-Large Wind Turbine Blades Based on CFD and Artificial Intelligence Technologies
title_sort research on the improvement of bem method for ultra large wind turbine blades based on cfd and artificial intelligence technologies
topic CFD
BEM
neural network
url https://www.mdpi.com/2311-5521/10/5/112
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