Search Results - "Lyssoivan, A."
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1
Thermal desorption diagnostics in the Uragan-2M stellarator
Published in Fusion engineering and design (01-09-2021)“…•The improved thermal desorption diagnostics have been developed and tested in the Uragan-2M stellarator.•Using this diagnostics and mass-spectrometric method…”
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2
Wall conditioning for ITER: Current experimental and modeling activities
Published in Journal of nuclear materials (01-08-2015)“…Wall conditioning will be required in ITER to control fuel and impurity recycling, as well as tritium (T) inventory. Analysis of conditioning cycle on the JET,…”
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3
Isotope exchange by Ion Cyclotron Wall Conditioning on JET
Published in Journal of nuclear materials (01-08-2015)“…The isotopic exchange efficiencies of JET Ion Cyclotron Wall Conditioning (ICWC) discharges produced at ITER half and full field conditions are compared for…”
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4
Design of an ICRF system for plasma–wall interactions and RF plasma production studies on TOMAS
Published in Fusion engineering and design (01-11-2017)“…•An ICRF antenna for the TOMAS facility has been designed with the electromagnetic software CST MWS.•A matching network allowing to couple 6 kW between 15 and…”
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5
Nitrogen removal from plasma-facing components by ion cyclotron wall conditioning in TEXTOR
Published in Journal of nuclear materials (01-08-2015)“…The efficiency of ion cyclotron wall conditioning (ICWC) in the removal of nitrogen from plasma-facing components in TEXTOR was assessed. In two experiments…”
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6
Recent results on Ion Cyclotron Wall Conditioning in mid and large size tokamaks
Published in Journal of nuclear materials (01-08-2011)“…Wall conditioning techniques applicable in the presence of permanent toroidal magnetic field will be required for the operation of ITER, in particular for…”
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Journal Article Conference Proceeding -
7
Isotope exchange experiments on TEXTOR and TORE SUPRA using Ion Cyclotron Wall Conditioning and Glow Discharge Conditioning
Published in Journal of nuclear materials (01-08-2011)“…This contribution reports on isotope exchange studies with both Ion Cyclotron Wall Conditioning (ICWC) and Glow Discharge Conditioning (GDC) in TEXTOR and TORE…”
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Journal Article Conference Proceeding -
8
Removal of carbon layers by oxygen glow discharges in TEXTOR
Published in Journal of nuclear materials (15-06-2007)“…Glow discharge cleaning (GDC) in mixtures of O2 and He was applied in TEXTOR for about 4h to study the removal of redeposited carbon layers. The behaviour of…”
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Journal Article Conference Proceeding -
9
Investigation of probe surfaces after ion cyclotron wall conditioning in ASDEX upgrade
Published in Nuclear materials and energy (01-08-2017)“…•Probe surfaces have been analysed after ICWC operation on in a metal-wall fusion machine.•The concentration ratio He/C+B was 0.7.•D, He, B, C, N, O was…”
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10
ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks
Published in Journal of nuclear materials (01-08-2011)“…This paper focuses on a study of the principal operation aspects of standard ICRF heating antennas in the ion cyclotron wall conditioning (ICWC) mode: (i)…”
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Journal Article Conference Proceeding -
11
Characterization of wall conditions in Uragan-2M stellarator using stainless steel thermal desorption probe
Published in Fusion engineering and design (01-12-2018)“…The method and device have been developed and used for operative estimation of impurity level, outgassing rate and molecular layers number on high vacuum…”
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12
Toroidal plasma rotation induced by the dynamic ergodic divertor in the TEXTOR Tokamak
Published in Physical review letters (14-01-2005)“…The first results of the Dynamic Ergodic Divertor in TEXTOR, when operating in the m/n=3/1 mode configuration, are presented. The deeply penetrating external…”
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13
Ion cyclotron wall conditioning in reactive gases on TEXTOR
Published in Journal of nuclear materials (15-06-2009)“…The influence of working gas on the performance of Ion Cyclotron Wall Conditioning (ICWC) has been studied in the TEXTOR tokamak. Several reactive gases (H 2,…”
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Journal Article Conference Proceeding -
14
Electron density and temperature measurements in TEXTOR ion cyclotron wall conditioning plasmas by thermal Li beam spectroscopy
Published in Journal of nuclear materials (01-08-2011)“…In this contribution, we report on the application of Li beam emission spectroscopy to determine electron density and temperature in ion cyclotron wall…”
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Journal Article Conference Proceeding -
15
ICRF physics aspects of wall conditioning plasma characterization in TEXTOR
Published in Fusion engineering and design (01-01-2013)“…This paper focuses on encouraging results obtained on the characterization of RF produced plasmas during pulsed-mode wall conditioning discharges in ion…”
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16
Influence of toroidal and vertical magnetic fields on Ion Cyclotron Wall Conditioning in tokamaks
Published in Journal of nuclear materials (15-06-2009)“…In the present paper, inter-machine studies of Ion Cyclotron Wall Conditioning (ICWC) have been performed in limiter (TEXTOR) and divertor (ASDEX Upgrade, AUG)…”
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Journal Article Conference Proceeding -
17
Plasma and antenna coupling characterization in ICRF-wall conditioning experiments
Published in Fusion engineering and design (01-02-2012)“…Ion Cyclotron Wall Conditioning (ICWC) discharges, in pulsed-mode operation, were carried out in the divertor tokamaks ASDEX Upgrade (AUG) and JET to simulate…”
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18
Antenna coupling study for ICWC plasma characterization in TEXTOR
Published in Pramāṇa (2013)“…Ion cyclotron wall conditioning (ICWC) discharges, in pulsed-mode operation, were carried out in the limiter tokamak TEXTOR to explore safe operational regimes…”
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19
New scenarios of ICRF wall conditioning in TEXTOR and ASDEX Upgrade
Published in Journal of nuclear materials (15-06-2007)“…Inter-machine studies of wall conditioning with the ICRF discharges have been performed in the limiter (TEXTOR) and divertor (ASDEX Upgrade (AUG)) tokamaks in…”
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Journal Article Conference Proceeding -
20
Development of ICRF wall conditioning technique on divertor-type tokamaks ASDEX Upgrade and JET
Published in Journal of nuclear materials (01-03-2005)“…Encouraging results of efficient wall conditioning with ICRF discharges achieved on the circular tokamaks (without divertors) TEXTOR, TORE SUPRA, HT-7…”
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