Study on Durability and Dynamic Deicing Performance of Elastomeric Coatings on Wind Turbine Blades
Source abstract
Abstract
Durable elastomeric deicing coatings were developed for the anti-icing and deicing of wind turbine blades in this study. Our developed deicing coatings demonstrated extremely low ice adhesion strength (~15 kPa). Silica was added to enhance the icephobic surfaces’ durability. The life of the deicing coating with silica was extended by 1.2 times. After 168 h of xenon lamp irradiation, there were no significant changes in the chemical composition of the coatings. Due to the increasing roughness and the decreasing tensile modulus, the contact angle of the aged coatings decreased by 14°. Further outdoor research was carried out on a wind farm for two months to investigate the influence of natural insolation and wind erosion on the elastic deicing coatings. The aged coating still maintained a high hydrophobicity and low ice adhesion strength. The contact angle stabilized at 107°, and the ice adhesion strength was 75% lower than that of the uncoated wind turbine blade. The elastomeric deicing coatings had three advantages: a lagging freezing time, low ice accumulation, and a short icing/deicing cycle. The results of field experiments on the naturally aged coatings showed that the freezing time of the coated blade was delayed by 20 min, and the ice on the coated blade was 29% thinner than that on the uncoated blade.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Icing and De-icing Technologies · Surface Modification and Superhydrophobicity · Smart Materials for Construction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Energy and Environment System Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Guodian Ningbo Wind Power Development Co., Ltd., Ningbo 315000, China
Department of Chemistry, Zhejiang University, Hangzhou 310027, China
Funding
National Key R&D Program of China · Zhejiang University of Science and Technology
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