Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code

Nakashima, Y.; Higashizono, Y.; Ohki, T.; Shoji, M.; Kobayashi, S.; Kubota, Yūsuke; Yoshikawa, Masayuki; Islam, Md. Khairul; Watanabe, Kouji; Ogita, Takeshi; Yamada, Michio; Murakami, Reiichi; Cho, T.

doi:10.1016/j.jnucmat.2004.09.060

Cited by 11 publications

(5 citation statements)

References 14 publications

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“…5(a) shows the schematic view of the plasma mesh model used in the simulation. A fully 3-dimension mesh model of DEGAS ver.63 code has been developed for this purpose [16]. A particle source is defined at the position of gas puff exit as a secondary wall.…”

Section: Monte-carlo Simulation Of Gpimentioning

confidence: 99%

Edge plasma behavior in the GAMMA 10 tandem mirror based on gas puff imaging experiments with a high-speed camera

Nakashima

Nishino

Higashizono

et al. 2007

Journal of Nuclear Materials

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Section: Monte-carlo Simulation Of Gpimentioning

confidence: 99%

Edge plasma behavior in the GAMMA 10 tandem mirror based on gas puff imaging experiments with a high-speed camera

Nakashima

Nishino

Higashizono

et al. 2007

Journal of Nuclear Materials

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“…The flowing out plasma from the central region intersects MLO in the periphery region (r cc 11 cm) and is neutralized there. In this simulation, MLO is modeled as the 'second wall' defined independently of the vacuum chamber wall, which has been successfully achieved by modifying the original code [5]. A particle source is given on MLO and is restricted in the area from r cc = −11 to −16 cm (shaded area in Fig.…”

Section: Modeling Of the Gamma 10 Anchor Cellmentioning

confidence: 99%

Monte Carlo simulation of neutral transport in the non-axisymmetric region of the GAMMA 10 anchor-cell

et al. 2006

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A three-dimensional neutral transport model using the DEGAS version 63 Monte Carlo code is described in order to understand the behavior of neutrals in the non-axisymmetric anchor region of the GAMMA 10 tandem mirror. A precise mesh structure with three-dimensional geometry was built up and the simulation was carried out under a plausible assumption of the particle source on the basis of experimental data. In standard ion-cyclotron-range-of-frequency heated plasmas, detailed measurements of Hα line emission were performed using a 5-ch Hα detector array in the outer-transition region of the east anchor cell and the experimental results were compared with the simulation. The spatial profile of Hα emission predicted from the simulation agreed well with the experimental result and the distinctive behavior of neutrals in this region was clarified.

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“…3-D Monte-Carlo simulation of the neutral transport is an indispensable method in order to solve this difficulty. Neutral transport studies in 3-D geometry by using DEGAS Monte-Carlo code [1,2] have been carried out in the GAM-MA 10 tandem mirror device [3,4], the helical device LHD [5] and Heliotron J [6,7].…”

Section: Introductionmentioning

confidence: 99%

Recycling studies based on two-dimensional visible light measurements and Monte-Carlo simulation in mirror and helical systems

Nakashima

Higashizono

Kawano

et al. 2009

Journal of Nuclear Materials

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Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code

Cited by 11 publications

References 14 publications

Edge plasma behavior in the GAMMA 10 tandem mirror based on gas puff imaging experiments with a high-speed camera

Edge plasma behavior in the GAMMA 10 tandem mirror based on gas puff imaging experiments with a high-speed camera

Monte Carlo simulation of neutral transport in the non-axisymmetric region of the GAMMA 10 anchor-cell

Recycling studies based on two-dimensional visible light measurements and Monte-Carlo simulation in mirror and helical systems

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