Fast sweeping probe system for characterization of spokes in e × B discharges

V. Skoutnev; P. Dourbal; E. Rodríguez; Y. Raitses

doi:10.1063/1.5053677

Fast sweeping probe system for characterization of spokes in e × B discharges

V. Skoutnev, P. Dourbal, E. Rodríguez, Y. Raitses

PPPL Discovery Plasma Science

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

12 Scopus citations

Abstract

We have developed a rapidly swept, back-to-back 100 kHz Langmuir probe system using a tunable compensating network to study the temporal evolution of low frequency oscillations in Penning discharges, Hall Thrusters, and other E × B discharges. Experimental validation of the probe system is performed at low and high sweeping frequencies in a stable Penning discharge. Then application of the probe system to measurements of plasma parameter fluctuations in a low frequency (4 kHz) rotating spoke and an analysis method using the Hilbert transform are shown. We find that the rotating spoke oscillation conducts approximately a third of the cross field current in our Penning device.

Original language	English (US)
Article number	123501
Journal	Review of Scientific Instruments
Volume	89
Issue number	12
DOIs	https://doi.org/10.1063/1.5053677
State	Published - Dec 1 2018

All Science Journal Classification (ASJC) codes

Instrumentation

Access to Document

10.1063/1.5053677

Cite this

@article{c044e44ca094450ea8502d5db1570f20,

title = "Fast sweeping probe system for characterization of spokes in e × B discharges",

abstract = "We have developed a rapidly swept, back-to-back 100 kHz Langmuir probe system using a tunable compensating network to study the temporal evolution of low frequency oscillations in Penning discharges, Hall Thrusters, and other E × B discharges. Experimental validation of the probe system is performed at low and high sweeping frequencies in a stable Penning discharge. Then application of the probe system to measurements of plasma parameter fluctuations in a low frequency (4 kHz) rotating spoke and an analysis method using the Hilbert transform are shown. We find that the rotating spoke oscillation conducts approximately a third of the cross field current in our Penning device.",

author = "V. Skoutnev and P. Dourbal and E. Rodr{\'i}guez and Y. Raitses",

note = "Publisher Copyright: {\textcopyright} 2018 Author(s).",

year = "2018",

month = dec,

day = "1",

doi = "10.1063/1.5053677",

language = "English (US)",

volume = "89",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics",

number = "12",

}

TY - JOUR

T1 - Fast sweeping probe system for characterization of spokes in e × B discharges

AU - Skoutnev, V.

AU - Dourbal, P.

AU - Rodríguez, E.

AU - Raitses, Y.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - We have developed a rapidly swept, back-to-back 100 kHz Langmuir probe system using a tunable compensating network to study the temporal evolution of low frequency oscillations in Penning discharges, Hall Thrusters, and other E × B discharges. Experimental validation of the probe system is performed at low and high sweeping frequencies in a stable Penning discharge. Then application of the probe system to measurements of plasma parameter fluctuations in a low frequency (4 kHz) rotating spoke and an analysis method using the Hilbert transform are shown. We find that the rotating spoke oscillation conducts approximately a third of the cross field current in our Penning device.

AB - We have developed a rapidly swept, back-to-back 100 kHz Langmuir probe system using a tunable compensating network to study the temporal evolution of low frequency oscillations in Penning discharges, Hall Thrusters, and other E × B discharges. Experimental validation of the probe system is performed at low and high sweeping frequencies in a stable Penning discharge. Then application of the probe system to measurements of plasma parameter fluctuations in a low frequency (4 kHz) rotating spoke and an analysis method using the Hilbert transform are shown. We find that the rotating spoke oscillation conducts approximately a third of the cross field current in our Penning device.

UR - https://www.scopus.com/pages/publications/85058091268

UR - https://www.scopus.com/inward/citedby.url?scp=85058091268&partnerID=8YFLogxK

U2 - 10.1063/1.5053677

DO - 10.1063/1.5053677

M3 - Article

C2 - 30599596

AN - SCOPUS:85058091268

SN - 0034-6748

VL - 89

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 12

M1 - 123501

ER -

Fast sweeping probe system for characterization of spokes in e × B discharges

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this