Study of plasma behavior during impurity injection in the end-cell of GAMMA 10/PDX by fluid code

M. S. Islam, Y. Nakashima, R. Tatsumi, A. Hatayama, K. Ichimura, M. M. Islam, K. Shimizu, K. Fukui, M. Ohuchi, T. Yokodo, G. Lee, N. Ezumi, M. Sakamoto, T. Imai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

The effect of neutral Ar injection on the plasma parameters is investigated numerically by using a multi-fluid code in this research. Reduction of electron and ion temperature has been observed according to the increment in injected neutral Ar density. The heat flux on the target plate has been also reduced with the increasing of injected neutral Ar density. For Ar: 2.0 × 1018 m-3 injection, electron temperature on the target plate reduced to about 1.5 eV. Increase in electron and ion density has been observed at lower injected Ar density. However, at higher Ar injection, electron density and ion density goes to be saturated. These outcomes indicate that the plasma in the end region approaches towards the plasma detachment state.

Original languageEnglish
Title of host publicationOpen Magnetic Systems for Plasma Confinement, OS 2016
Subtitle of host publicationProceedings of the 11th International Conference on Open Magnetic Systems for Plasma Confinement
EditorsAleksey Arakcheev, Anton Sudnikov
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735414297
DOIs
StatePublished - Oct 11 2016
Externally publishedYes
Event11th International Conference on Open Magnetic Systems for Plasma Confinement, OS 2016 - Akademgorodok, Novosibirsk, Russian Federation
Duration: Aug 8 2016Aug 12 2016

Publication series

NameAIP Conference Proceedings
Volume1771
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference11th International Conference on Open Magnetic Systems for Plasma Confinement, OS 2016
Country/TerritoryRussian Federation
CityAkademgorodok, Novosibirsk
Period08/8/1608/12/16

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