Experimental study of an electrical discharge used in reactive media ignition
作者： C Zaepffel , D Hong , J-M Bauchire
DOI: 10.1088/0022-3727/40/4/020
关键词: Atomic physics 、 Plasma 、 Ignition system 、 Electric discharge 、 Electron density 、 Electron temperature 、 Spectroscopy 、 Analytical chemistry 、 Chemistry 、 Plasma diagnostics 、 Stark effect
摘要: In order to understand the influence of electrical discharges on combustion ignition processes, a wire-to-wire spark created in an air/methane mixture has been studied. The electron temperature and density this discharge have determined.Voltage, current measurements, photography optical emission spectroscopy used characterize as function time, pressure equivalence ratio. size shape phenomenon were observed using photography. Voltage measurement correlated these photos determine time scale propagating flame.The Boltzmann plot method was applied results time-resolved during phase yielded first 10 µs. Finally, from Stark broadening Hα, Hβ copper lines, plasma deduced for µs, with values up 1018 cm−3. These data will be initial condition numerical simulation.
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