Flashover Characteristics of Discrete Water Droplets on the Surface of Super-hydrophobic Silicone Rubber

被引：23
|
作者：
Jin, Haiyun [1 ]
Jin, Pu [1 ]
Niu, Ruidong [1 ]
Li, Yufeng [1 ]
He, Bo [1 ]
Gao, Naikui [1 ]
Zhang, Hao [2 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2014年 / 21卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Silicone rubber; super-hydrophobicity; micro-nanometer structure; simulation; flashover;
D O I：
10.1109/TDEI.2014.004281
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Super-hydrophobic silicone rubber (SIR) was fabricated by hot-pressing template method, and its surface water droplet contact angle reached 153.5 degrees and sliding angle 8 degrees. The observation of microstructure showed that there were plenty micrometer-scale papillas and nanometer-scale particles on its surface, the mechanism of super-hydrophobicity caused by this micro-nano hierarchical structure was discussed. In order to study the influence of super-hydrophobicity on the electric field distribution, two-dimensional simulation was carried out in software platform ANSYS. The influence of contact angle, volume and location was discussed. The simulation results indicated that super-hydrophobic surface had a better effect of electric field shielding. The flashover experiments (for both single and double droplets on different SIR surface) were carried out and showed that the flashover voltage of super-hydrophobic SIR with droplets on its surface was higher than that of ordinary SIR, which confirmed the simulation.
引用
收藏
页码：1718 / 1725
页数：8
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