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Long negative sparks have been widely used to investigate the lightning attachment process of grounded structures. The rod-to-rod air gap is one of the most common configurations used in laboratory experiments to investigate the characteristics of the positive upward leader in response to the negative descending leader steps. In the research presented in this paper, experimental observations have...
The properties of corona discharge initiated from a long grounded wire suspended horizontally above the ground with regard to the effect of wind during the charging process of a negative thundercloud and the propagation of a descending downward stepped leader are studied. A two-dimensional (2D), time-dependent model is developed to evaluate the corona discharge ionized field quantitatively. It is...
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