2014•Institution of Engineering and Technology eBooksRequires access
Features of lightning flashes obtained from high-speed video recordings
Marcelo M. F. Saba, Tom A. Warner, Carina Schumann
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Abstract
Most of what is known about the structure and time evolution of lightning was determined by high-speed photography. The first measurements were obtained using a two-lens streak camera, named Boys camera after its inventor. In a streak camera, a relative movement between the lens and the film is used to record the phases of a lightning discharge. Subsequent improvements of Boys camera allowed measurements of several lightning parameters.