scholarly journals The origin of the breathing mode in Hall thrusters and its stabilization

2021 ◽  
Vol 130 (5) ◽  
pp. 053305
Author(s):  
T. Lafleur ◽  
P. Chabert ◽  
A. Bourdon
Keyword(s):  
Hall Thrusters ◽  
Breathing Mode

scholarly journals Numerical and Experimental Investigation of Longitudinal Oscillations in Hall Thrusters

Aerospace ◽  
2021 ◽  
Vol 8 (6) ◽  
pp. 148
Author(s):  
Vittorio Giannetti ◽  
Manuel Martín Saravia ◽  
Luca Leporini ◽  
Simone Camarri ◽  
Tommaso Andreussi
Keyword(s):  
Discharge Current ◽  
Fluid Model ◽  
Low Frequency ◽  
Hall Thruster ◽  
Hall Thrusters ◽  
Current Signal ◽  
Plasma Parameters ◽  
Plasma Properties ◽  
Breathing Mode ◽  
Spatio Temporal

One of the main oscillatory modes found ubiquitously in Hall thrusters is the so-called breathing mode. This is recognized as a relatively low-frequency (10–30 kHz), longitudinal oscillation of the discharge current and plasma parameters. In this paper, we present a synergic experimental and numerical investigation of the breathing mode in a 5 kW-class Hall thruster. To this aim, we propose the use of an informed 1D fully-fluid model to provide augmented data with respect to available experimental measurements. The experimental data consists of two datasets, i.e., the discharge current signal and the local near-plume plasma properties measured at high-frequency with a fast-diving triple Langmuir probe. The model is calibrated on the discharge current signal and its accuracy is assessed by comparing predictions against the available measurements of the near-plume plasma properties. It is shown that the model can be calibrated using the discharge current signal, which is easy to measure, and that, once calibrated, it can predict with reasonable accuracy the spatio-temporal distributions of the plasma properties, which would be difficult to measure or estimate otherwise. Finally, we describe how the augmented data obtained through the combination of experiments and calibrated model can provide insight into the breathing mode oscillations and the evolution of plasma properties.

Study on breathing mode oscillation suppression of self-excited Hall thrusters

2012 ◽  
Vol 30 (6) ◽  
pp. 061304 ◽  
Author(s):  
Wei Liqiu ◽  
Han Ke ◽  
Wang Chunsheng ◽  
Li Hong ◽  
Zhang ChaoHai ◽  
...  
Keyword(s):  
Hall Thrusters ◽  
Breathing Mode ◽  
Oscillation Suppression ◽  
Mode Oscillation

Impact of Hall thrusters on communication system phase noise

1995 ◽  
Author(s):  
James Dickens ◽  
J Mankowski ◽  
M Kristiansen ◽  
E O'Hair
Keyword(s):  
Phase Noise ◽  
Communication System ◽  
Hall Thrusters ◽  
System Phase

Development of Low Power Hall Thrusters

1999 ◽  
Author(s):  
V. Hruby ◽  
J. Monheiser ◽  
B. Pole ◽  
P. Rostler ◽  
J. Kolencik
Keyword(s):  
Low Power ◽  
Hall Thrusters

RS BRANEWORLDS IN TYPE IIB SUPERGRAVITY

2001 ◽  
Vol 16 (05) ◽  
pp. 669-676
Author(s):  
K. S. STELLE
Keyword(s):  
Dimensional Reduction ◽  
Crucial Role ◽  
Breathing Mode ◽  
Dimensional Spacetime ◽  
The Universe

We show how the Randall-Sundrum geometry, which has been proposed as a scenario for the universe realized as a 3-brane embedded in a 5-dimensional spacetime, arises naturally as an S5 dimensional reduction of a supersymmetric 3-brane of type IIB supergravity. In this construction, the S5 scale-setting "breathing mode" plays a crucial rôle, permitting one to evade certain "no-go" claims for the possibility of such a supersymmetric realization.

Low-frequency azimuthal stability analysis of Hall thrusters

2012 ◽  
Author(s):  
Diego Escobar Anton ◽  
Eduardo Ahedo
Keyword(s):  
Stability Analysis ◽  
Low Frequency ◽  
Hall Thrusters

An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes

2015 ◽  
Vol 30 (5) ◽  
pp. 385-390 ◽  
Author(s):  
Valeriy V. Bolotov ◽  
Vasiliy E. Kan ◽  
Egor V. Knyazev ◽  
Peter M. Korusenko ◽  
Sergey N. Nesov ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Raman Spectra ◽  
Radial Breathing Mode ◽  
Breathing Mode ◽  
Multi Wall Carbon Nanotubes

Discharge channel configuration effect on the discharge characteristics of cylindrical Hall thrusters

2021 ◽  
Vol 395 ◽  
pp. 127221
Author(s):  
Shengtao Liang ◽  
Hui Liu ◽  
Daren Yu
Keyword(s):  
Discharge Channel ◽  
Hall Thrusters ◽  
Discharge Characteristics ◽  
Channel Configuration

Has the Breathing Mode Been Known for Many Years?

1977 ◽  
Vol 39 (23) ◽  
pp. 1443-1446 ◽  
Author(s):  
J. Wambach ◽  
V. A. Madsen ◽  
G. A. Rinker ◽  
J. Speth
Keyword(s):  
Breathing Mode
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