LUO JiaCheng,GAO CunFa & DAI XiangHua College of Aerospace Engineering,Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China
Abstract:
Partial discharge(PD) of an air-filled semi-permeable crack in a dielectric material is studied based on the streamer-type discharge mechanism to explore the effects of applied mechanical-electric fields on crack growth.Within the frame of two-dimensional deformation,the electric field inside the crack is first derived by taking the crack deformation into account.Then,the effects of electric field before PD are discussed through considering the contribution of the induced electric field inside the deformed ...