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

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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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.

Originele taal-2	Engels
Artikelnummer	101502
Pagina's (van-tot)	101502-1/3
Aantal pagina's	3
Tijdschrift	Applied Physics Letters
Volume	92
Nummer van het tijdschrift	10
DOI's	https://doi.org/10.1063/1.2894195
Status	Gepubliceerd - 2008

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Stereo-photography of streamers in air

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