Stereo-photography of streamers in air

S. Nijdam; J.S. Moerman; T.M.P. Briels; E.M. Veldhuizen, van; U. Ebert

doi:10.1063/1.2894195

Stereo-photography of streamers in air

S. Nijdam, J.S. Moerman, T.M.P. Briels, E.M. Veldhuizen, van, U. Ebert

Elementary Processes in Gas Discharges

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Abstract

Standard photographs of streamer discharges show a two-dimensional projection. Here, we present stereophotographic images that resolve their three-dimensional structure. We describe the stereoscopic setup and evaluation, and we present results for positive streamer discharges in air at 0.2–1 bar in a point-plane geometry with a gap distance of 14 cm and a voltage pulse of 47 kV. In this case, an approximately Gaussian distribution of branching angles of 43°±12° is found; these angles do not significantly depend on the distance from the needle or on the gas pressure.

Original language	English
Article number	101502
Pages (from-to)	101502-1/3
Number of pages	3
Journal	Applied Physics Letters
Volume	92
Issue number	10
DOIs	https://doi.org/10.1063/1.2894195
Publication status	Published - 2008

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title = "Stereo-photography of streamers in air",

abstract = "Standard photographs of streamer discharges show a two-dimensional projection. Here, we present stereophotographic images that resolve their three-dimensional structure. We describe the stereoscopic setup and evaluation, and we present results for positive streamer discharges in air at 0.2–1 bar in a point-plane geometry with a gap distance of 14 cm and a voltage pulse of 47 kV. In this case, an approximately Gaussian distribution of branching angles of 43°±12° is found; these angles do not significantly depend on the distance from the needle or on the gas pressure.",

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AU - Ebert, U.

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AB - Standard photographs of streamer discharges show a two-dimensional projection. Here, we present stereophotographic images that resolve their three-dimensional structure. We describe the stereoscopic setup and evaluation, and we present results for positive streamer discharges in air at 0.2–1 bar in a point-plane geometry with a gap distance of 14 cm and a voltage pulse of 47 kV. In this case, an approximately Gaussian distribution of branching angles of 43°±12° is found; these angles do not significantly depend on the distance from the needle or on the gas pressure.

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Stereo-photography of streamers in air

Abstract

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