Numerical study of the effect of secondary electron emission on the sheath characteristics in q‐non‐extensive plasma
Sign Up to like & getrecommendations! Published in 2021 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.202100084
Abstract: In this paper, a plasma sheath containing primary electrons, cold positive ions, and secondary electrons is studied using a one‐dimensional fluid model in which the primary electrons are described by q‐non‐extensive distribution according to the… read more here.
Keywords: effect secondary; extensive plasma; plasma sheath; non extensive ... See more keywords
A layered fluctuation model of electron density in plasma sheath and instability effect on electromagnetic wave at Ka band
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.05.001
Abstract: Abstract The effects of plasma sheath on communication signals are not only power attenuation but also multiplicative noise addition because of the sheath's instability. The fluctuation properties of time-varying electron density are crucial to comprehensively… read more here.
Keywords: plasma sheath; fluctuation; electron density; density ... See more keywords
Propagation characteristics of terahertz wave in hypersonic plasma sheath considering high temperature air chemical reactions
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DOI: 10.1016/j.ijleo.2019.164090
Abstract: Abstract In this work, the propagation characteristics of terahertz wave in the hypersonic plasma sheath is demonstrated and analyzed based on the realistic vehicle model and the high temperature air thermal chemical reactions. Based on… read more here.
Keywords: plasma sheath; propagation characteristics; air; characteristics terahertz ... See more keywords
Estimation of the plasma sheath thickness and particle number density in the axial phase of plasma coaxial accelerator
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DOI: 10.1016/j.vacuum.2017.01.027
Abstract: Abstract The snow plow model and shock wave equations are used to simulate the plasma sheath motion in the axial phase of the coaxial accelerator. The model is elaborated to calculate the sheath velocity and… read more here.
Keywords: plasma sheath; sheath thickness; particle number; density ... See more keywords
Measurement of plasma sheath overlap above a trench
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DOI: 10.1063/1.4985587
Abstract: The plasma sheath above a rectangular trench has been experimentally characterized as the trench width is varied in a radio frequency (rf) plasma discharge for two different rf powers giving two different sets of plasma… read more here.
Keywords: plasma sheath; overlap trench; measurement plasma; sheath overlap ... See more keywords
A dynamic analysis of the magnetized plasma sheath in a collisionless scenario with ion sources
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4994535
Abstract: The influence of the forces that control the ion dynamics inside a magnetized plasma sheath under collisionless conditions is analyzed. Considering the ionization, the effects of the variation of field strength and the inclination angle… read more here.
Keywords: plasma sheath; sheath collisionless; ion sources; ion ... See more keywords
Plasma sheath: An equivalent nonlinear mirror between electron density and transmitted electromagnetic signal
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4998302
Abstract: An experiment on the propagation of electromagnetic (EM) signals in continuous time-varying plasma is designed to establish the nonlinear mirror between electron density and transmission coefficient. The nonlinearity is confirmed from the theoretical and experimental… read more here.
Keywords: plasma sheath; electron density; nonlinear mirror; density ... See more keywords
Radio frequency wave interactions with a plasma sheath: The role of wave and plasma sheath impedances
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5088343
Abstract: Radio frequency (RF) sheaths form near surfaces where plasma and strong RF fields coexist. The effect of these RF sheaths on wave propagation near the boundary can be characterized by an effective sheath impedance that… read more here.
Keywords: plasma sheath; frequency; wave; case ... See more keywords
Characterizing spacecraft potential effects on measured particle trajectories
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DOI: 10.1063/1.5119344
Abstract: As spacecraft does not have an independent method to conduct charge to ground, it naturally accumulates charge due to interactions with the ambient plasma and surface emission. This charge produces an electric field surrounding the… read more here.
Keywords: plasma sheath; space; spacecraft; charge ... See more keywords
THz wave propagation in the stagnation region of reentry plasma sheath
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DOI: 10.1063/5.0049129
Abstract: By using two-dimensional particle-in-cell simulations, we demonstrate a terahertz (THz) wave propagating in the stagnation region of a reentry plasma sheath. When a THz wave propagates in the plasma sheath, the frequency blue shift is… read more here.
Keywords: plasma sheath; reentry plasma; thz wave; region reentry ... See more keywords
Investigation of effects of plasma sheath on antenna radiation based on ray tracing method
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DOI: 10.1063/5.0062535
Abstract: The reason for communication blackout in hypersonic vehicles is strong interference from the plasma sheath on antenna radiation. This paper presents the calculation of the effects of a plasma sheath on microstrip antenna radiation using… read more here.
Keywords: plasma sheath; antenna radiation; ray tracing; antenna ... See more keywords