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Anti-Icing Performance of Hydrophobic Silicone–Acrylate Resin Coatings on Wind Blades

State Key Laboratory of Power Transmission Equipments & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400030, China
State Grid Suining Power Supply Company, Suining 629000, China
Author to whom correspondence should be addressed.
Coatings 2018, 8(4), 151;
Received: 2 April 2018 / Revised: 15 April 2018 / Accepted: 19 April 2018 / Published: 23 April 2018
(This article belongs to the Special Issue Superhydrophobic Coatings)
PDF [3766 KB, uploaded 3 May 2018]


The icing of wind blades poses a serious threat to the operation of wind turbines. The application of superhydrophobic coatings on wind blades can serve as a potential anti-icing method. This study presents the findings of simulations of the icing environment of wind blades coated with hydrophobic silicone–acrylate resin in an artificial climate chamber. Artificial icing tests were performed on NACA7715 wind blades with four different silicone–acrylate resin coatings and on uncoated wind blades, with test performed at five different wind speeds and three different angles of attack. Results show that wind blade surfaces with higher hydrophobicity yield better anti-icing performance, and that the ice mass of the wind blades decreases with increasing wind speeds and angles of attack. In addition, variations in ice mass, shape, and distribution on different wind blades indicate that increased hydrophobicity can help limit the areas that are subject to freezing. Hydrophobicity can affect the air cavities of the ice deposited on the wind blades, and surfaces with increased hydrophobicity can lead to lower ice mass and less ice adhesion. In brief, surfaces with higher hydrophobicity demonstrate better anti-icing performance and benefit from active de-icing. View Full-Text
Keywords: anti-icing performance; hydrophobic coating; wind blade; artificial icing; ice adhesion anti-icing performance; hydrophobic coating; wind blade; artificial icing; ice adhesion

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Xu, K.; Hu, J.; Jiang, X.; Meng, W.; Lan, B.; Shu, L. Anti-Icing Performance of Hydrophobic Silicone–Acrylate Resin Coatings on Wind Blades. Coatings 2018, 8, 151.

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