ABSTRACT For high‐speed moving objects such as aircraft and wind turbine blades, discharge occurs under strong airflow. Research on lightning attachment characteristics has been extensive, whereas the role of corona discharge in pre‐breakdown streamer development has received less attention. This paper presents wind tunnel experiments on positive corona discharge in a needle‐to‐plate configuration under DC voltage, with airflow ranging from 0 to 50 m/s. The results show that airflow induces significant deviations in the streamer channel, with higher airflow velocities causing the corona to tilt further upwind. Additionally, airflow affects both the discharge intensity and the dispersion of space charge. This study reveals the displacement characteristics of streamer‐corona discharge and discusses the influence mechanism of airflow on space charge distribution.
Lan et al. (Tue,) studied this question.