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Anomalous Fast-Ion Transport During Neutral Beam Injection on EAST
The fast-ion transport during neutral beam injection on the Experimental Advanced Superconducting Tokamak (EAST) is studied. Based on the NUBEAM and TRANSP codes, it is found that fast-ion transport is anomalous when the minimum safety factor ( q min ) is about 2, while it is neoclassical when q min...
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| Published in: | Plasma physics reports 2018-10, Vol.44 (10), p.891-898 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c344t-c640ec8ee74c9c8738371e6d247b6f45fbbd8ce76f09f12d9ad7e87ca20dec7d3 |
| container_end_page | 898 |
| container_issue | 10 |
| container_start_page | 891 |
| container_title | Plasma physics reports |
| container_volume | 44 |
| creator | Zhao, Y. A. Zhang, X. M. Yu, L. M. Xue, E. B. Chen, W. D. |
| description | The fast-ion transport during neutral beam injection on the Experimental Advanced Superconducting Tokamak (EAST) is studied. Based on the NUBEAM and TRANSP codes, it is found that fast-ion transport is anomalous when the minimum safety factor (
q
min
) is about 2, while it is neoclassical when
q
min
is around 1. Neutral beam injection heating efficiency, plasma stored energy, and the total heating power are reduced when the fast ion transport is anomalous. The Alfvén continuum spectrum and the mode structures of toroidal Alfvén eigenmodes (AEs) are also calculated for comparison between neoclassical fast-ion transport and anomalous fast-ion transport. High-
q
min
discharge with anomalous fast-ion transport has more AE activity than that of lower
q
min
discharge with neoclassical fast-ion transport. |
| doi_str_mv | 10.1134/S1063780X18100124 |
| format | article |
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q
min
) is about 2, while it is neoclassical when
q
min
is around 1. Neutral beam injection heating efficiency, plasma stored energy, and the total heating power are reduced when the fast ion transport is anomalous. The Alfvén continuum spectrum and the mode structures of toroidal Alfvén eigenmodes (AEs) are also calculated for comparison between neoclassical fast-ion transport and anomalous fast-ion transport. High-
q
min
discharge with anomalous fast-ion transport has more AE activity than that of lower
q
min
discharge with neoclassical fast-ion transport.</description><identifier>ISSN: 1063-780X</identifier><identifier>EISSN: 1562-6938</identifier><identifier>DOI: 10.1134/S1063780X18100124</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; Atomic ; BEAM INJECTION ; BEAM INJECTION HEATING ; Colon ; Discharge ; EFFICIENCY ; Heating ; HT-7U TOKAMAK ; Internal energy ; Ion transport ; Ions ; Molecular ; NEOCLASSICAL TRANSPORT THEORY ; Neutral beams ; Optical and Plasma Physics ; Physics ; Physics and Astronomy ; PLASMA ; Safety factors ; STORED ENERGY ; Tokamak devices ; Tokamaks</subject><ispartof>Plasma physics reports, 2018-10, Vol.44 (10), p.891-898</ispartof><rights>Pleiades Publishing, Ltd. 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c344t-c640ec8ee74c9c8738371e6d247b6f45fbbd8ce76f09f12d9ad7e87ca20dec7d3</citedby><cites>FETCH-LOGICAL-c344t-c640ec8ee74c9c8738371e6d247b6f45fbbd8ce76f09f12d9ad7e87ca20dec7d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22763219$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhao, Y. A.</creatorcontrib><creatorcontrib>Zhang, X. M.</creatorcontrib><creatorcontrib>Yu, L. M.</creatorcontrib><creatorcontrib>Xue, E. B.</creatorcontrib><creatorcontrib>Chen, W. D.</creatorcontrib><creatorcontrib>EAST Team</creatorcontrib><title>Anomalous Fast-Ion Transport During Neutral Beam Injection on EAST</title><title>Plasma physics reports</title><addtitle>Plasma Phys. Rep</addtitle><description>The fast-ion transport during neutral beam injection on the Experimental Advanced Superconducting Tokamak (EAST) is studied. Based on the NUBEAM and TRANSP codes, it is found that fast-ion transport is anomalous when the minimum safety factor (
q
min
) is about 2, while it is neoclassical when
q
min
is around 1. Neutral beam injection heating efficiency, plasma stored energy, and the total heating power are reduced when the fast ion transport is anomalous. The Alfvén continuum spectrum and the mode structures of toroidal Alfvén eigenmodes (AEs) are also calculated for comparison between neoclassical fast-ion transport and anomalous fast-ion transport. High-
q
min
discharge with anomalous fast-ion transport has more AE activity than that of lower
q
min
discharge with neoclassical fast-ion transport.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>Atomic</subject><subject>BEAM INJECTION</subject><subject>BEAM INJECTION HEATING</subject><subject>Colon</subject><subject>Discharge</subject><subject>EFFICIENCY</subject><subject>Heating</subject><subject>HT-7U TOKAMAK</subject><subject>Internal energy</subject><subject>Ion transport</subject><subject>Ions</subject><subject>Molecular</subject><subject>NEOCLASSICAL TRANSPORT THEORY</subject><subject>Neutral beams</subject><subject>Optical and Plasma Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>PLASMA</subject><subject>Safety factors</subject><subject>STORED ENERGY</subject><subject>Tokamak devices</subject><subject>Tokamaks</subject><issn>1063-780X</issn><issn>1562-6938</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kEFLAzEQhYMoWKs_wNuC59VMkibZY1tbLRQ9tIK3kGazuqVN1iR78N-bUqEHEQZm4H1veDyEbgHfA1D2sALMqZD4HSRgDISdoQGMOCl5ReV5vrNcHvRLdBXjNiMgRzBAk7Hze73zfSzmOqZy4V2xDtrFzodUPPahdR_Fi-1T0LtiYvW-WLitNanNXJ7ZeLW-RheN3kV787uH6G0-W0-fy-Xr02I6XpaGMpZKwxm2RlormKmMFFRSAZbXhIkNb9io2WxqaazgDa4aIHWla2GlMJrg2hpR0yG6O_71MbUqmjZZ82m8czmOIkRwSqA6UV3wX72NSW19H1wOpggQTChhRGQKjpQJPsZgG9WFdq_DtwKsDoWqP4VmDzl6YndoxYbT5_9NP4kydhk</recordid><startdate>20181001</startdate><enddate>20181001</enddate><creator>Zhao, Y. A.</creator><creator>Zhang, X. M.</creator><creator>Yu, L. M.</creator><creator>Xue, E. B.</creator><creator>Chen, W. D.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20181001</creationdate><title>Anomalous Fast-Ion Transport During Neutral Beam Injection on EAST</title><author>Zhao, Y. A. ; Zhang, X. M. ; Yu, L. M. ; Xue, E. B. ; Chen, W. D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-c640ec8ee74c9c8738371e6d247b6f45fbbd8ce76f09f12d9ad7e87ca20dec7d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>Atomic</topic><topic>BEAM INJECTION</topic><topic>BEAM INJECTION HEATING</topic><topic>Colon</topic><topic>Discharge</topic><topic>EFFICIENCY</topic><topic>Heating</topic><topic>HT-7U TOKAMAK</topic><topic>Internal energy</topic><topic>Ion transport</topic><topic>Ions</topic><topic>Molecular</topic><topic>NEOCLASSICAL TRANSPORT THEORY</topic><topic>Neutral beams</topic><topic>Optical and Plasma Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>PLASMA</topic><topic>Safety factors</topic><topic>STORED ENERGY</topic><topic>Tokamak devices</topic><topic>Tokamaks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Y. A.</creatorcontrib><creatorcontrib>Zhang, X. M.</creatorcontrib><creatorcontrib>Yu, L. M.</creatorcontrib><creatorcontrib>Xue, E. B.</creatorcontrib><creatorcontrib>Chen, W. D.</creatorcontrib><creatorcontrib>EAST Team</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Plasma physics reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Y. A.</au><au>Zhang, X. M.</au><au>Yu, L. M.</au><au>Xue, E. B.</au><au>Chen, W. D.</au><aucorp>EAST Team</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anomalous Fast-Ion Transport During Neutral Beam Injection on EAST</atitle><jtitle>Plasma physics reports</jtitle><stitle>Plasma Phys. Rep</stitle><date>2018-10-01</date><risdate>2018</risdate><volume>44</volume><issue>10</issue><spage>891</spage><epage>898</epage><pages>891-898</pages><issn>1063-780X</issn><eissn>1562-6938</eissn><abstract>The fast-ion transport during neutral beam injection on the Experimental Advanced Superconducting Tokamak (EAST) is studied. Based on the NUBEAM and TRANSP codes, it is found that fast-ion transport is anomalous when the minimum safety factor (
q
min
) is about 2, while it is neoclassical when
q
min
is around 1. Neutral beam injection heating efficiency, plasma stored energy, and the total heating power are reduced when the fast ion transport is anomalous. The Alfvén continuum spectrum and the mode structures of toroidal Alfvén eigenmodes (AEs) are also calculated for comparison between neoclassical fast-ion transport and anomalous fast-ion transport. High-
q
min
discharge with anomalous fast-ion transport has more AE activity than that of lower
q
min
discharge with neoclassical fast-ion transport.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1063780X18100124</doi><tpages>8</tpages></addata></record> |
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| ispartof | Plasma physics reports, 2018-10, Vol.44 (10), p.891-898 |
| issn | 1063-780X 1562-6938 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22763219 |
| source | Springer Link |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY Atomic BEAM INJECTION BEAM INJECTION HEATING Colon Discharge EFFICIENCY Heating HT-7U TOKAMAK Internal energy Ion transport Ions Molecular NEOCLASSICAL TRANSPORT THEORY Neutral beams Optical and Plasma Physics Physics Physics and Astronomy PLASMA Safety factors STORED ENERGY Tokamak devices Tokamaks |
| title | Anomalous Fast-Ion Transport During Neutral Beam Injection on EAST |
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