Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code
Modeling of neutral transport in the tandem mirror plasmas has been performed based on simulation studies using a Monte-Carlo code. A three-dimensional neutral transport simulation in both the central-cell (an axisymmetric simple mirror) and anchor-cell (a non-axisymmetric minimum-B configuration) w...
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| Veröffentlicht in: | Journal of nuclear materials 2005-03, Vol.337-339, p.466-470 |
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| container_title | Journal of nuclear materials |
| container_volume | 337-339 |
| creator | Nakashima, Y. Higashizono, Y. Ohki, T. Shoji, M. Kobayashi, S. Kubota, Y. Yoshikawa, M. Islam, M.K. Watanabe, K. Ogita, T. Yamada, M. Murakami, R. Cho, T. |
| description | Modeling of neutral transport in the tandem mirror plasmas has been performed based on simulation studies using a Monte-Carlo code. A three-dimensional neutral transport simulation in both the central-cell (an axisymmetric simple mirror) and anchor-cell (a non-axisymmetric minimum-B configuration) was successfully carried out using the DEGAS version 63 code. In order to realize the geometrical structure in the simulation space, a ‘second wall’ is introduced in the code, which enabled us to perform a more detailed simulation. The simulation results agreed well with the Hα measurements of the experiment. The effect of cold gas influx from the beamline of the neutral beam injection (NBI) system on the particle fueling is also investigated and it is found that the azimuthally uniform particle source due to the recycling on the central vacuum chamber wall prevails over the localized fueling from cold gas influx accompanying the NBI. |
| doi_str_mv | 10.1016/j.jnucmat.2004.09.060 |
| format | Article |
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A three-dimensional neutral transport simulation in both the central-cell (an axisymmetric simple mirror) and anchor-cell (a non-axisymmetric minimum-B configuration) was successfully carried out using the DEGAS version 63 code. In order to realize the geometrical structure in the simulation space, a ‘second wall’ is introduced in the code, which enabled us to perform a more detailed simulation. The simulation results agreed well with the Hα measurements of the experiment. The effect of cold gas influx from the beamline of the neutral beam injection (NBI) system on the particle fueling is also investigated and it is found that the azimuthally uniform particle source due to the recycling on the central vacuum chamber wall prevails over the localized fueling from cold gas influx accompanying the NBI.</description><identifier>ISSN: 0022-3115</identifier><identifier>EISSN: 1873-4820</identifier><identifier>DOI: 10.1016/j.jnucmat.2004.09.060</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>DEGAS ; GAMMA 10 ; Hydrogen recycling ; Neutral modeling ; Tandem mirror</subject><ispartof>Journal of nuclear materials, 2005-03, Vol.337-339, p.466-470</ispartof><rights>2004 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-372fdcc2e8e69b7a46151d9e445c4cf6a1dc334b3203d7a7691364e0b170c3ab3</citedby><cites>FETCH-LOGICAL-c406t-372fdcc2e8e69b7a46151d9e445c4cf6a1dc334b3203d7a7691364e0b170c3ab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jnucmat.2004.09.060$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Nakashima, Y.</creatorcontrib><creatorcontrib>Higashizono, Y.</creatorcontrib><creatorcontrib>Ohki, T.</creatorcontrib><creatorcontrib>Shoji, M.</creatorcontrib><creatorcontrib>Kobayashi, S.</creatorcontrib><creatorcontrib>Kubota, Y.</creatorcontrib><creatorcontrib>Yoshikawa, M.</creatorcontrib><creatorcontrib>Islam, M.K.</creatorcontrib><creatorcontrib>Watanabe, K.</creatorcontrib><creatorcontrib>Ogita, T.</creatorcontrib><creatorcontrib>Yamada, M.</creatorcontrib><creatorcontrib>Murakami, R.</creatorcontrib><creatorcontrib>Cho, T.</creatorcontrib><title>Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code</title><title>Journal of nuclear materials</title><description>Modeling of neutral transport in the tandem mirror plasmas has been performed based on simulation studies using a Monte-Carlo code. A three-dimensional neutral transport simulation in both the central-cell (an axisymmetric simple mirror) and anchor-cell (a non-axisymmetric minimum-B configuration) was successfully carried out using the DEGAS version 63 code. In order to realize the geometrical structure in the simulation space, a ‘second wall’ is introduced in the code, which enabled us to perform a more detailed simulation. The simulation results agreed well with the Hα measurements of the experiment. The effect of cold gas influx from the beamline of the neutral beam injection (NBI) system on the particle fueling is also investigated and it is found that the azimuthally uniform particle source due to the recycling on the central vacuum chamber wall prevails over the localized fueling from cold gas influx accompanying the NBI.</description><subject>DEGAS</subject><subject>GAMMA 10</subject><subject>Hydrogen recycling</subject><subject>Neutral modeling</subject><subject>Tandem mirror</subject><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAURYMoOI7-BCErd60vTZpOVyKDXzCDG12HNHnVDG0yJqngv7fDuHfz7ubeA-8Qcs2gZMDk7a7c-cmMOpcVgCihLUHCCVmwVcMLsarglCwAqqrgjNXn5CKlHQDULdQLorfB4uD8Bw09zZ8RsbBuRJ9c8HqgHqcc55yPT_sQM3WeZu0tjnR0MYZI94NOo050SgeKptvgMxZrHYdAzQy_JGe9HhJe_eWSvD8-vK2fi83r08v6flMYATIXvKl6a0yFK5Rt12ghWc1si0LURpheamYN56LjFXDb6Ea2jEuB0LEGDNcdX5KbI3cfw9eEKavRJYPDoD2GKalqVUsALudifSyaGFKK2Kt9dKOOP4qBOghVO_UnVB2EKmjVLHTe3R13OH_x7TCqZBx6g9ZFNFnZ4P4h_AKL8YL3</recordid><startdate>20050301</startdate><enddate>20050301</enddate><creator>Nakashima, Y.</creator><creator>Higashizono, Y.</creator><creator>Ohki, T.</creator><creator>Shoji, M.</creator><creator>Kobayashi, S.</creator><creator>Kubota, Y.</creator><creator>Yoshikawa, M.</creator><creator>Islam, M.K.</creator><creator>Watanabe, K.</creator><creator>Ogita, T.</creator><creator>Yamada, M.</creator><creator>Murakami, R.</creator><creator>Cho, T.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7U5</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20050301</creationdate><title>Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code</title><author>Nakashima, Y. ; Higashizono, Y. ; Ohki, T. ; Shoji, M. ; Kobayashi, S. ; Kubota, Y. ; Yoshikawa, M. ; Islam, M.K. ; Watanabe, K. ; Ogita, T. ; Yamada, M. ; Murakami, R. ; Cho, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-372fdcc2e8e69b7a46151d9e445c4cf6a1dc334b3203d7a7691364e0b170c3ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>DEGAS</topic><topic>GAMMA 10</topic><topic>Hydrogen recycling</topic><topic>Neutral modeling</topic><topic>Tandem mirror</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nakashima, Y.</creatorcontrib><creatorcontrib>Higashizono, Y.</creatorcontrib><creatorcontrib>Ohki, T.</creatorcontrib><creatorcontrib>Shoji, M.</creatorcontrib><creatorcontrib>Kobayashi, S.</creatorcontrib><creatorcontrib>Kubota, Y.</creatorcontrib><creatorcontrib>Yoshikawa, M.</creatorcontrib><creatorcontrib>Islam, M.K.</creatorcontrib><creatorcontrib>Watanabe, K.</creatorcontrib><creatorcontrib>Ogita, T.</creatorcontrib><creatorcontrib>Yamada, M.</creatorcontrib><creatorcontrib>Murakami, R.</creatorcontrib><creatorcontrib>Cho, T.</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Journal of nuclear materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nakashima, Y.</au><au>Higashizono, Y.</au><au>Ohki, T.</au><au>Shoji, M.</au><au>Kobayashi, S.</au><au>Kubota, Y.</au><au>Yoshikawa, M.</au><au>Islam, M.K.</au><au>Watanabe, K.</au><au>Ogita, T.</au><au>Yamada, M.</au><au>Murakami, R.</au><au>Cho, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code</atitle><jtitle>Journal of nuclear materials</jtitle><date>2005-03-01</date><risdate>2005</risdate><volume>337-339</volume><spage>466</spage><epage>470</epage><pages>466-470</pages><issn>0022-3115</issn><eissn>1873-4820</eissn><abstract>Modeling of neutral transport in the tandem mirror plasmas has been performed based on simulation studies using a Monte-Carlo code. A three-dimensional neutral transport simulation in both the central-cell (an axisymmetric simple mirror) and anchor-cell (a non-axisymmetric minimum-B configuration) was successfully carried out using the DEGAS version 63 code. In order to realize the geometrical structure in the simulation space, a ‘second wall’ is introduced in the code, which enabled us to perform a more detailed simulation. The simulation results agreed well with the Hα measurements of the experiment. The effect of cold gas influx from the beamline of the neutral beam injection (NBI) system on the particle fueling is also investigated and it is found that the azimuthally uniform particle source due to the recycling on the central vacuum chamber wall prevails over the localized fueling from cold gas influx accompanying the NBI.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jnucmat.2004.09.060</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of nuclear materials, 2005-03, Vol.337-339, p.466-470 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | DEGAS GAMMA 10 Hydrogen recycling Neutral modeling Tandem mirror |
| title | Modeling of three-dimensional neutral transport in tandem mirror plasmas using a Monte-Carlo code |
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