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Volume 14
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Article

Wind-Induced Response Analysis and Fatigue Life Prediction of a Hybrid Wind Turbine Tower Combining an Upper Steel Tube with a Lower Steel Truss

by
Meng Zhang
,
Chenhao Xie
,
Tianxiang Li
,
Md Nayim Hossain
and
Guifeng Zhao
*
School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
*
Author to whom correspondence should be addressed.
Buildings 2024, 14(5), 1441; https://doi.org/10.3390/buildings14051441
Submission received: 8 April 2024 / Revised: 7 May 2024 / Accepted: 14 May 2024 / Published: 16 May 2024
(This article belongs to the Special Issue Wind Load Effects on High-Rise and Long-Span Structures)
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Abstract

Based on the WindPACT-3MW wind turbine tower commonly used in wind power engineering, a finite element model (FEM) of a hybrid wind turbine tower combining an upper steel tube with a lower steel truss is designed and established. On this basis, a static optimization analysis, wind-induced vibration analysis, and fatigue life analysis of the hybrid tower structure are performed. The results show that under the same design parameters, the overall stiffness and static bearing capacity of the tower structure can be significantly improved by using subdivided truss webs, increasing the truss height as much as possible and increasing the width of the truss base appropriately. Under normal operation conditions, the response of the tower structure in the along-wind direction is significantly greater than the response in the crosswind direction, indicating that the aerodynamic thrust generated by the rotation of the blades is the main factor causing the wind-induced vibration of the tower structure. For the tower structure analyzed in this study, when considering the entire range of wind speeds from the cut-in wind speed to the cut-out wind speed, the fatigue life of the structure is 38.5 years.
Keywords: hybrid wind turbine tower; steel truss; optimization design; wind-induced response; fatigue life hybrid wind turbine tower; steel truss; optimization design; wind-induced response; fatigue life

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MDPI and ACS Style

Zhang, M.; Xie, C.; Li, T.; Hossain, M.N.; Zhao, G. Wind-Induced Response Analysis and Fatigue Life Prediction of a Hybrid Wind Turbine Tower Combining an Upper Steel Tube with a Lower Steel Truss. Buildings 2024, 14, 1441. https://doi.org/10.3390/buildings14051441

AMA Style

Zhang M, Xie C, Li T, Hossain MN, Zhao G. Wind-Induced Response Analysis and Fatigue Life Prediction of a Hybrid Wind Turbine Tower Combining an Upper Steel Tube with a Lower Steel Truss. Buildings. 2024; 14(5):1441. https://doi.org/10.3390/buildings14051441

Chicago/Turabian Style

Zhang, Meng, Chenhao Xie, Tianxiang Li, Md Nayim Hossain, and Guifeng Zhao. 2024. "Wind-Induced Response Analysis and Fatigue Life Prediction of a Hybrid Wind Turbine Tower Combining an Upper Steel Tube with a Lower Steel Truss" Buildings 14, no. 5: 1441. https://doi.org/10.3390/buildings14051441

APA Style

Zhang, M., Xie, C., Li, T., Hossain, M. N., & Zhao, G. (2024). Wind-Induced Response Analysis and Fatigue Life Prediction of a Hybrid Wind Turbine Tower Combining an Upper Steel Tube with a Lower Steel Truss. Buildings, 14(5), 1441. https://doi.org/10.3390/buildings14051441

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