期刊
COATINGS
卷 13, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/coatings13010164
关键词
atmospheric icing; adhesion strength; wind turbine; offshore condition; wind tunnel test
This study evaluates the ice adhesion strength on wind turbine blades under offshore atmospheric conditions. The results show that salt content has the most significant impact on ice adhesion strength, followed by ambient temperature and wind speed. The interaction between wind speed and salt content, as well as ambient temperature and salt content, is extremely significant. This research can serve as a reference for anti-icing strategies for offshore wind turbines.
When wind turbines work in a cold and humid environment, especially offshore condition, ice accretion on the blade surfaces has a negative effect on the aerodynamic performance. In order to remove the ice from the wind turbine blade, the adhesive characteristics of atmospheric icing on the blade surface should be mastered under various conditions. The objective of this study is to evaluate the effects of offshore atmospheric conditions, including wind speeds, ambient temperatures and, especially, the salt contents on ice adhesion strength for wind turbine blades. The experiments were conducted on a NACA0018 blade airfoil under conditions including an ambient temperature of -3 degrees C similar to-15 degrees C, wind speed of 6 m/s similar to 15 m/s and salt content of 1 similar to 20 mg/m(3). The results showed that salt content was the most important factor affecting the ice adhesion strength, followed by ambient temperature and wind speed. The interactive effect of wind speed and salt content, ambient temperature and salt content were extremely significant. The research can provide a reference for the anti-icing for offshore wind turbines.
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