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Investigation on Preparation and Anti-icing Performance of Super-hydrophobic Surface on Aluminum Conductor
Haiyun Jin
Author NameAffiliationE-mail
Haiyun Jin State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an, 710049, P. R. China hyjin@mail.xjtu.edu.cn 
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 SEM and contact angle (CA) 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:
Investigation on Preparation and Anti-icing Performance of Super-hydrophobic Surface on Aluminum Conductor
Haiyun Jin
摘要:
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 SEM and contact angle (CA) 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.
关键词:  super-hydrophobic, aluminum conductor, crystal defects, self-propelled jumping, anti-icing
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