Matches in SemOpenAlex for { <https://semopenalex.org/work/W4379470710> ?p ?o ?g. }
- W4379470710 abstract "Plasma jet normally operates in a regime of positive or negative streamers. Different propagating behaviors have been investigated for positive streamers. However, there are few studies on negative streamers. In this paper, a two-dimensional fluid model is used to simulate the behavior of a negative streamer encountered with a cloud of positive ions. Simulation results indicate that the negative streamer behaves like a free streamer when the ion cloud has a low charge density. After initiation near the needle tip, the streamer propagates along the axis, passes through the ion cloud, and finally reaches the anode vicinity along a straight line. When the streamer reaches the ion cloud, its head radius (R0) is investigated as a function of parameters, including the voltage amplitude and the gap width, as well as the charge density, axial position, and spatial size of the ion cloud. At a given moment, electric field strength and electron density near the streamer head increase with increasing charge density of the ion cloud. In the case of a high charge-density ion cloud, after a primary streamer propagates some distance along the axis, a positive secondary streamer, and a negative secondary streamer start to propagate from the cloud to the cathode and the anode, respectively." @default.
- W4379470710 created "2023-06-07" @default.
- W4379470710 creator A5019041779 @default.
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- W4379470710 date "2023-06-01" @default.
- W4379470710 modified "2023-10-16" @default.
- W4379470710 title "Numerical simulation on the behavior of a negative streamer encountered with a cloud of positive ions in atmospheric pressure plasma jet" @default.
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- W4379470710 doi "https://doi.org/10.1063/5.0155359" @default.
- W4379470710 hasPublicationYear "2023" @default.
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