Response to Dr. J. Niu (RC1)

Liu, Hu

doi:10.5194/hess-2018-518-ac2

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Magnetic Field Profiles and Erosion Problems1

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2022

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“…Their results show that azimuthally electron drift induce sheath oscillations and it can produce an asymmetric sheath structure. To simulate the azimuthally erosion evolution, an erosion modal is used and it has been concluded that the azimuthally asymmetric ion sputtering is responsible for an asymmetric erosion profile [76]. Kim studied the ionization processes and ion dynamics in the accelerating channel to determine the stationary plasma thrusters performance levels [54].…”

Section: Magnetic Field Profiles and Erosion Problemsmentioning

confidence: 99%

Plasma Science and Technology

2022

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Meet the editorAamir Shahzad has more than seventeen years of experience in university research and teaching both at home and abroad. He received his doctoral and postdoctoral degrees from Xi'an Jiaotong University (XJTU), China, in 2012 and 2015, respectively. His research interests include computational physics, complex fluids/plasmas, plasma oncology, and bio-and energy materials. Currently, Dr.

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Section: Magnetic Field Profiles and Erosion Problemsmentioning

confidence: 99%

Plasma Science and Technology

2022

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Numerical Investigations of Electromagnetic Oscillations and Turbulences in Hall Thrusters Using Two Fluid Approach

Singh¹,

Vidhani²,

Tyagi³

2022

Plasma Science and Technology

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The first part of the contributed chapter discuss the overview of electric propulsion technology and its requirement in different space missions. The technical terms specific impulse and thrust are explained with their relation to exhaust velocity. The shortcoming of the Hall thrusters and its erosion problems of the channel walls are also conveyed. The second part of the chapter discuss the various waves and electromagnetic instabilities propagating in a Hall thruster magnetized plasma. The dispersion relation for the azimuthal growing waves is derived analytically with the help of magnetohydrodynamics theory. It is depicted that the growth rate of the instability increases with magnetic field, electron drift velocity and collisional frequency, whereas it is decreases with the initial drift of the ions.

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Response to Dr. J. Niu (RC1)

Cited by 2 publications

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Plasma Science and Technology

Plasma Science and Technology

Numerical Investigations of Electromagnetic Oscillations and Turbulences in Hall Thrusters Using Two Fluid Approach

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