Research on the Influence of Blade Tip Icing on Natural Frequency of Wind Turbine
Pages 371 - 375
Abstract
In order to study the influence of tip ice on fixed frequency of wind turbine blades, a numerical simulation scheme was proposed with S825 airfoil blades as the research object. By changing the length and thickness of the blade tip ice, the fixed frequency of the blade and the displacement deformation value of the blade were measured to study the influence of different icing conditions on the vibration characteristics of the fan blade. The results show that the blade tip icing increases the blade mass and stiffness, and the length of icing increases. The low-order fixed frequency is mainly affected by the increase of mass, leading to the decrease of low-order frequency. The high order frequency is mainly affected by the increase of stiffness, leading to a slight increase in the high order frequency. The increase of icing thickness mainly leads to the increase of blade mass, especially the influence on blade first-order vibration frequency. The relevant research conclusions can provide a new idea and reference for the icing and deicing of wind turbine blades.
References
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Published In
October 2021
3136 pages
ISBN:9781450385046
DOI:10.1145/3495018
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Association for Computing Machinery
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Published: 14 March 2022
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AIAM2021
AIAM2021: 2021 3rd International Conference on Artificial Intelligence and Advanced Manufacture
October 23 - 25, 2021
Manchester, United Kingdom
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