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Investigation on Preparation and Anti-icing Performance of Superhydrophobic Surface on Aluminum Conductor
Hai-yun Jin, Shi-chao Nie, Zhi-wei Li, Cheng Tong, Ke-jing Wang
State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, China
Abstract:
Aluminum is widely used in transmission lines,and the accumulation of ice on aluminum conductor may inflict serious damage such as tower collapse and power failure.In this study,super-hydrophobic surface (SHS) on aluminum conductor with micro-nanostructure was fabricated using the preferential etching principle of crystal defects.The surface microstructure and wettability were investigated by scanning electron microscope and contact angle measurement,respectively.The icing progress was observed with a self-made icing experiment platform at different environment temperature.The results showed that,due to jumping and rolling down of coalesced droplets from SHS of aluminum conductor at low temperature,the formation of icing on SHS could be delayed.Dynamic icing experiment indicated that SHS on aluminum conductor could restrain the formation of icing in certain temperature range,but could not exert influence on the accumulation of icing.This study offers new insight into understanding the anti-icing performance of actual aluminum conductor.
Key words:  Super-hydrophobic  Aluminum conductor  Crystal defects  Self-propelled jumping  Anti-icing
FundProject:This work was supported by the National Natural Science Foundation of China (No.51272208).
超疏水铝导线的制备及其防覆冰性能研究
金海云, 聂诗超, 李志伟, 仝程, 王科镜
西安交通大学电力设备电气绝缘国家重点实验室, 西安 710049
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DOI:10.1063/1674-0068/31/cjcp1707152
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