Comparison of Blade Aeroelastic Responses between Upwind and Downwind of 10 MW Wind Turbines under the Shear Wind Condition

Haojie Kang, Bofeng Xu (), Xiang Shen, Zhen Li, Xin Cai and Zhiqiang Hu
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Haojie Kang: Research Center for Renewable Energy Generation Engineering of Ministry of Education, Hohai University, Nanjing 210098, China
Bofeng Xu: Research Center for Renewable Energy Generation Engineering of Ministry of Education, Hohai University, Nanjing 210098, China
Xiang Shen: Department of Mechanical and Construction Engineering, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
Zhen Li: Research Center for Renewable Energy Generation Engineering of Ministry of Education, Hohai University, Nanjing 210098, China
Xin Cai: Jiangsu Province Engineering Research Center of Wind Turbine Structures, Hohai University, Nanjing 210098, China
Zhiqiang Hu: School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK

Energies, 2023, vol. 16, issue 6, 1-13

Abstract: This paper examines the potential for reducing the cost of energy for super-scale wind turbines through the use of a downwind configuration. Using nonlinear aeroelastic modeling, the responses of 10 MW upwind and downwind wind turbine blades are simulated and compared under shear wind conditions. The study evaluates the impact of both nonlinear and linear aeroelastic models on the dynamic response of different blade sizes, highlighting the need for a nonlinear approach. Results indicate that the linear model overestimates blade deformations (18.14%) and the nonlinear model is more accurate for predicting the aeroelastic response of ultra-long blades of 86.35 m. The study also finds that the downwind turbine blade experiences smaller flapwise moment (17.53%), and blade tip flapwise deformation (33.97%) than the upwind turbine blade, with increased load and deformation fluctuation as wind shear increases.

Keywords: aeroelastic response; shear wind; upwind and downwind; wind turbine blade (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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