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, ‡}

Spatiotemporal development of O 2 − density during the Trichel pulse in negative corona discharge under a needle-to-plate electrode configuration. The moment of each sub-image in the development sequence is indicated in Fig. 8(a).