The formation of a plasma sheath†

Anderson, N.; Walsh, G. R.

doi:10.1080/00207217108938218

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Adapted Boundary Conditions For Plasma Sheaths1

Analysis Of Communication Blackout In a Re-entry Spacecraft1

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2021

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Cited by 4 publications

(2 citation statements)

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“…Therefore the evaluation of the electric field and plasma densities inside the sheath is essential to understand and predict the efficiency of a Hall thruster. The physical mechanism of sheaths is fully understood and explained in the literature [30][31][32]. The loss of electrons at the boundary produces a pressure gradient which accelerates them with larger velocities than ions.…”

Section: Adapted Boundary Conditions For Plasma Sheathsmentioning

confidence: 99%

A 10-moment fluid numerical solver of plasma with sheaths in a Hall Effect Thruster

Joncquieres

Péchereau

Laguna

et al. 2018

2018 Joint Propulsion Conference

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Section: Adapted Boundary Conditions For Plasma Sheathsmentioning

confidence: 99%

A 10-moment fluid numerical solver of plasma with sheaths in a Hall Effect Thruster

Joncquieres

Péchereau

Laguna

et al. 2018

2018 Joint Propulsion Conference

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“…8, the plasma frequency profile and collision frequency profile are derived using (1) and (2). ii Then the plasma attenuation coefficient is calculated along the re-entry path using (4), (6) and (7).…”

Section: Analysis Of Communication Blackout In a Re-entry Spacecraftmentioning

confidence: 99%

Mitigation of Communication Blackout During Re-Entry Using Static Magnetic Field

Mehra

Singh²,

Bera³

2015

PIER B

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Abstract-During re-entry into earth's atmosphere, a spacecraft suffers from loss of communication with the ground control station, known as communication blackout, due to formation of plasma around the re-entry spacecraft. This paper presents the theory and analysis of the communication blackout and its mitigation using static magnetic field method. The interaction between electromagnetic waves and plasma in presence as well as absence of magnetic field is described to determine the effects of plasma sheath on the spacecraft re-entering into the atmosphere. An analysis is done to determine the effectiveness of this mitigation technique for a typical re-entry spacecraft and the strength of magnetic field required to establish the communication link between the re-entry spacecraft and the ground station is obtained.

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