The surface flashover is affected by many factors,such as surface roughness,nanofillers and chemical functional groups.In this research study,polyamide mesh was utilised as a scaffold to systematically study the syner...The surface flashover is affected by many factors,such as surface roughness,nanofillers and chemical functional groups.In this research study,polyamide mesh was utilised as a scaffold to systematically study the synergistic effect of micro structure/nanofiller/superhydrophobicity on the surface flashover.Based on the dissolution and resolidification method,nanofillers were partially embedded into the mesh fabrics.Here,Al_(2)O_(3)nanoparticles were used as a typical non-conductive nanofiller,and carbon nanotubes were used as a typical conductive nanofiller.Moreover,the micro structure was determined by altering the mesh size,and chemical fluorination was utilised to change the surface chemical group.It was found that the polyamide mesh with 300#demonstrated best anti-flashover properties.Chemical fluorination could effectively improve the flashover voltage.By further adjusting the ratio of Al_(2)O_(3)to carbon nanotubes,the flashover voltage can be increased by up to 30%.展开更多
基金National Nature Science Foundation of China,Grant/Award Numbers:51777076,51977079the Central Guidance on Local Science and Technology Development Fund of Hebei Province,Grant/Award Number:226Z1204G+2 种基金Key Laboratory of Icing and Anti/De-icing of CARDC,Grant/Award Number:IADL20210401the Top Young Innovative Talents of Colleges and Universities of Higher Learning Institutions of Hebei,Grant/Award Number:BJ2021095the Fundamental Research Funds for the Central Universities,Grant/Award Number:2020MS115。
文摘The surface flashover is affected by many factors,such as surface roughness,nanofillers and chemical functional groups.In this research study,polyamide mesh was utilised as a scaffold to systematically study the synergistic effect of micro structure/nanofiller/superhydrophobicity on the surface flashover.Based on the dissolution and resolidification method,nanofillers were partially embedded into the mesh fabrics.Here,Al_(2)O_(3)nanoparticles were used as a typical non-conductive nanofiller,and carbon nanotubes were used as a typical conductive nanofiller.Moreover,the micro structure was determined by altering the mesh size,and chemical fluorination was utilised to change the surface chemical group.It was found that the polyamide mesh with 300#demonstrated best anti-flashover properties.Chemical fluorination could effectively improve the flashover voltage.By further adjusting the ratio of Al_(2)O_(3)to carbon nanotubes,the flashover voltage can be increased by up to 30%.
