Erosive radially-slotted discharge in sheet current mode
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New non-stationary non-contracted form of the erosive radially-slotted discharge as a thin round sheet with the current of the azimuth direction have been discovered, its existence beings stipulated by a radial transport-wave fluxes. Characteristic features of this discharge is self-confinement of the discharge current magnitude, corresponding decrease of the current pulse duration and occurrence of an energy and substance ejection with rather unusual properties. Measurements of kinetics of the discharge current, the plasma radiation intensity and an electrical probe signal, as well as the transmission electron microscope investigations of characteristic aerodisperse aggregates arising the erosive phase, have been carried out. The probe signal duration was about 10 times greater than that of the current; its kinetics was complicated suggesting existence in the slot of two components with fundamentally different properties and states of the substance.
9 pages, 4 figures. These results were presented at the 6th international conference "Modern problems of electrophysics and electrohydrodynamics of liquids", St.Petersburg, 26-30 June 2000, see the proceedings, pp.191-198, (russian version)
9 pages, 4 figures. These results were presented at the 6th international conference "Modern problems of electrophysics and electrohydrodynamics of liquids", St.Petersburg, 26-30 June 2000, see the proceedings, pp.191-198, (russian version)