Time-resolved ion velocity distribution in a cylindrical Hall thruster: Heterodyne-based experiment and modeling

A. Diallo; S. Keller; Y. Shi; Y. Raitses; S. Mazouffre

doi:10.1063/1.4914829

Time-resolved ion velocity distribution in a cylindrical Hall thruster: Heterodyne-based experiment and modeling

A. Diallo, S. Keller, Y. Shi, Y. Raitses, S. Mazouffre

PPPL Discovery Plasma Science

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Time-resolved variations of the ion velocity distribution function (IVDF) are measured in the cylindrical Hall thruster using a novel heterodyne method based on the laser-induced fluorescence technique. This method consists in inducing modulations of the discharge plasma at frequencies that enable the coupling to the breathing mode. Using a harmonic decomposition of the IVDF, one can extract each harmonic component of the IVDF from which the time-resolved IVDF is reconstructed. In addition, simulations have been performed assuming a sloshing of the IVDF during the modulation that show agreement between the simulated and measured first order perturbation of the IVDF.

Original language	English (US)
Article number	033506
Journal	Review of Scientific Instruments
Volume	86
Issue number	3
DOIs	https://doi.org/10.1063/1.4914829
State	Published - Mar 1 2015

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.4914829

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title = "Time-resolved ion velocity distribution in a cylindrical Hall thruster: Heterodyne-based experiment and modeling",

abstract = "Time-resolved variations of the ion velocity distribution function (IVDF) are measured in the cylindrical Hall thruster using a novel heterodyne method based on the laser-induced fluorescence technique. This method consists in inducing modulations of the discharge plasma at frequencies that enable the coupling to the breathing mode. Using a harmonic decomposition of the IVDF, one can extract each harmonic component of the IVDF from which the time-resolved IVDF is reconstructed. In addition, simulations have been performed assuming a sloshing of the IVDF during the modulation that show agreement between the simulated and measured first order perturbation of the IVDF.",

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T1 - Time-resolved ion velocity distribution in a cylindrical Hall thruster

T2 - Heterodyne-based experiment and modeling

AU - Diallo, A.

AU - Keller, S.

AU - Shi, Y.

AU - Raitses, Y.

AU - Mazouffre, S.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Time-resolved variations of the ion velocity distribution function (IVDF) are measured in the cylindrical Hall thruster using a novel heterodyne method based on the laser-induced fluorescence technique. This method consists in inducing modulations of the discharge plasma at frequencies that enable the coupling to the breathing mode. Using a harmonic decomposition of the IVDF, one can extract each harmonic component of the IVDF from which the time-resolved IVDF is reconstructed. In addition, simulations have been performed assuming a sloshing of the IVDF during the modulation that show agreement between the simulated and measured first order perturbation of the IVDF.

AB - Time-resolved variations of the ion velocity distribution function (IVDF) are measured in the cylindrical Hall thruster using a novel heterodyne method based on the laser-induced fluorescence technique. This method consists in inducing modulations of the discharge plasma at frequencies that enable the coupling to the breathing mode. Using a harmonic decomposition of the IVDF, one can extract each harmonic component of the IVDF from which the time-resolved IVDF is reconstructed. In addition, simulations have been performed assuming a sloshing of the IVDF during the modulation that show agreement between the simulated and measured first order perturbation of the IVDF.

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VL - 86

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

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ER -

Time-resolved ion velocity distribution in a cylindrical Hall thruster: Heterodyne-based experiment and modeling

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