Characteristics and underlying physics of ionic wind in dc corona discharge under different polarities

Zhang Tongkai², Zhang Yu³, Ji Qizheng³, Li Ben^{1, †}, Ouyang Jiting^{2, ‡}

Numerical results of positive corona under a needle-to-ring electrode configuration: (a) a single discharge pulse of positive corona, (b) the spatiotemporal distribution of the normalized EHD force f(E), the data is normalized by 2.83 N/cm³.