Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies

Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies

Studies of plasma edge Ha emission fluctuations firstly proposed for CHS heliotron/torsatron have been performed for RF produced/heated plasma in “Uragan-3M” torsatron. Approach is based on a realistic assumption that Ha emission fluctuations from plasma edge (ne≥10¹⁷m⁻³, Te≥10eV) defined mostly by...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Datum:2002
Hauptverfasser: Konovalov, V.G., Matsuoka, K., Pavlichenko, O.S., Shapoval, A.N., Skibenko, A.I., Suzuki, C.
Format: Artikel
Sprache:English
Veröffentlicht: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2002
Schriftenreihe:Вопросы атомной науки и техники
Schlagworte:
Plasma diagnostics
Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/80305
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies / V.G. Konovalov, K. Matsuoka, O.S. Pavlichenko, A.N. Shapoval, A.I. Skibenko, C. Suzuki // Вопросы атомной науки и техники. — 2002. — № 4. — С. 199-201. — Бібліогр.: 4 назв. — англ.

Institution

Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-80305
record_format dspace
fulltext
spelling nasplib_isofts_kiev_ua-123456789-803052025-02-09T11:18:07Z Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies Konovalov, V.G. Matsuoka, K. Pavlichenko, O.S. Shapoval, A.N. Skibenko, A.I. Suzuki, C. Plasma diagnostics Studies of plasma edge Ha emission fluctuations firstly proposed for CHS heliotron/torsatron have been performed for RF produced/heated plasma in “Uragan-3M” torsatron. Approach is based on a realistic assumption that Ha emission fluctuations from plasma edge (ne≥10¹⁷m⁻³, Te≥10eV) defined mostly by electron density fluctuations. Having two Ha observation channels getting emission from plasma edge in 2 different poloidal locations of plasma one can study correlation of electron density fluctuations between these locations. Analysis of data included calculation of spectra of signals, their coherency and cross correlation between 2 signals for time windows 1 ms. Bands of rather high (>0.5) coherency were observed over the whole range (f<100 KHz) of frequencies. Calculation of cross correlation of digitally filtered (∆f=4 KHz) signals showed that time delay of low frequency part of signals coincides with time delay of no filtered signals and is decreasing with frequency increase. Conclusion of these observations is: time delay of low frequency part of signals reflects plasma poloidal rotation, time delay in the rest part of spectra reflects a dispersion properties of poloidally propagating density fluctuations. 2002 Article Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies / V.G. Konovalov, K. Matsuoka, O.S. Pavlichenko, A.N. Shapoval, A.I. Skibenko, C. Suzuki // Вопросы атомной науки и техники. — 2002. — № 4. — С. 199-201. — Бібліогр.: 4 назв. — англ. 1562-6016 PACS: 52.70.-m; 52.55.Hc https://nasplib.isofts.kiev.ua/handle/123456789/80305 en Вопросы атомной науки и техники application/pdf Національний науковий центр «Харківський фізико-технічний інститут» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Plasma diagnostics
Plasma diagnostics
spellingShingle Plasma diagnostics
Plasma diagnostics
Konovalov, V.G.
Matsuoka, K.
Pavlichenko, O.S.
Shapoval, A.N.
Skibenko, A.I.
Suzuki, C.
Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
Вопросы атомной науки и техники
description Studies of plasma edge Ha emission fluctuations firstly proposed for CHS heliotron/torsatron have been performed for RF produced/heated plasma in “Uragan-3M” torsatron. Approach is based on a realistic assumption that Ha emission fluctuations from plasma edge (ne≥10¹⁷m⁻³, Te≥10eV) defined mostly by electron density fluctuations. Having two Ha observation channels getting emission from plasma edge in 2 different poloidal locations of plasma one can study correlation of electron density fluctuations between these locations. Analysis of data included calculation of spectra of signals, their coherency and cross correlation between 2 signals for time windows 1 ms. Bands of rather high (>0.5) coherency were observed over the whole range (f<100 KHz) of frequencies. Calculation of cross correlation of digitally filtered (∆f=4 KHz) signals showed that time delay of low frequency part of signals coincides with time delay of no filtered signals and is decreasing with frequency increase. Conclusion of these observations is: time delay of low frequency part of signals reflects plasma poloidal rotation, time delay in the rest part of spectra reflects a dispersion properties of poloidally propagating density fluctuations.
format Article
author Konovalov, V.G.
Matsuoka, K.
Pavlichenko, O.S.
Shapoval, A.N.
Skibenko, A.I.
Suzuki, C.
author_facet Konovalov, V.G.
Matsuoka, K.
Pavlichenko, O.S.
Shapoval, A.N.
Skibenko, A.I.
Suzuki, C.
author_sort Konovalov, V.G.
title Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
title_short Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
title_full Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
title_fullStr Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
title_full_unstemmed Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies
title_sort observation of plasma poloidal rotation in “uragan-3m” torsatron from edge hα fluctuation correlation studies
publisher Національний науковий центр «Харківський фізико-технічний інститут» НАН України
publishDate 2002
topic_facet Plasma diagnostics
url https://nasplib.isofts.kiev.ua/handle/123456789/80305
citation_txt Observation of plasma poloidal rotation in “Uragan-3M” torsatron from edge Hα fluctuation correlation studies / V.G. Konovalov, K. Matsuoka, O.S. Pavlichenko, A.N. Shapoval, A.I. Skibenko, C. Suzuki // Вопросы атомной науки и техники. — 2002. — № 4. — С. 199-201. — Бібліогр.: 4 назв. — англ.
series Вопросы атомной науки и техники
work_keys_str_mv AT konovalovvg observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
AT matsuokak observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
AT pavlichenkoos observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
AT shapovalan observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
AT skibenkoai observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
AT suzukic observationofplasmapoloidalrotationinuragan3mtorsatronfromedgehafluctuationcorrelationstudies
first_indexed 2025-11-25T21:12:26Z
last_indexed 2025-11-25T21:12:26Z
_version_ 1849798317648642048

Ähnliche Einträge