Investigation of the effect of pre-fill gas in VEST discharges by predictive transport simulations

The predictive modeling of the VEST (Chung et al. in Plasma Sci Technol 15(3):244, 2013) device is presented. The integrated simulation tool was organized to conduct the 1D transport simulation considering neoclassical and turbulent transport, and pre-fill gas neutrals. The 1D transport equation and...

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Published in:Journal of the Korean Physical Society 2022, 81(2), , pp.126-132
Main Authors: Lee, Chan-Young, Kim, SeongCheol, Kim, Young-Gi, Kim, YooSung, Lee, Kihyun, Hwang, Y. S., Na, Yong-Su
Format: Article
Language:English
Subjects:
Electron density
Mathematical and Computational Physics
Original Paper - Fluids
Particle and Nuclear Physics
Physics
Physics and Astronomy
Plasma and Phenomenology
Prediction models
Simulation
Theoretical
Thomson scattering
Transport equations
물리학
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container_title Journal of the Korean Physical Society
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creator Lee, Chan-Young
Kim, SeongCheol
Kim, Young-Gi
Kim, YooSung
Lee, Kihyun
Hwang, Y. S.
Na, Yong-Su
description The predictive modeling of the VEST (Chung et al. in Plasma Sci Technol 15(3):244, 2013) device is presented. The integrated simulation tool was organized to conduct the 1D transport simulation considering neoclassical and turbulent transport, and pre-fill gas neutrals. The 1D transport equation and a detailed setup for the predictive analysis were addressed. By varying pre-fill gas levels, a set of predictive simulations was conducted. The electron density, electron and ion temperatures from Thomson scattering, and ion Doppler spectroscopy diagnostics were compared with the predictive simulation results. The discrepancies upon comparing the measurements with the simulations and further required efforts were discussed.
doi_str_mv 10.1007/s40042-022-00524-9
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subjects Electron density
Mathematical and Computational Physics
Original Paper - Fluids
Particle and Nuclear Physics
Physics
Physics and Astronomy
Plasma and Phenomenology
Prediction models
Simulation
Theoretical
Thomson scattering
Transport equations
물리학
title Investigation of the effect of pre-fill gas in VEST discharges by predictive transport simulations
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