Study of the spectrum effect on the threshold of resonant magnetic perturbation penetration on J-TEXT
The spectrum effect on the penetration of resonant magnetic perturbation (RMP) is studied with upgraded in-vessel RMP coils on J-TEXT. The poloidal spectrum of the RMP field, especially the amplitudes of 2/1 and 3/1 components, can be varied by the phase difference between the upper and lower coil r...
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| Veröffentlicht in: | Plasma science & technology 2022-12, Vol.24 (12), p.124002 |
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| creator | MAO, Feiyue WANG, Nengchao HUANG, Zhuo REN, Zhengkang ZHOU, Song SHEN, Chengshuo ZHANG, Xiaoyi HE, Ying ZHANG, Qi JIA, Ruo ZHAO, Chuanxu LI, Yangbo HU, Bo LI, Da BALA, Abba Alhaji CHEN, Zhipeng CHEN, Zhongyong YANG, Zhoujun LIANG, Yunfeng DING, Yonghua PAN, Yuan |
| description | The spectrum effect on the penetration of resonant magnetic perturbation (RMP) is studied with upgraded in-vessel RMP coils on J-TEXT. The poloidal spectrum of the RMP field, especially the amplitudes of 2/1 and 3/1 components, can be varied by the phase difference between the upper and lower coil rows, Δ
ϕ
=
ϕ
top
−
ϕ
bottom
, where
ϕ
top
and
ϕ
bottom
are the toroidal phases of the
n
= 1 field of each coil row. The type of RMP penetration is found to be related to Δ
ϕ
, including the RMP penetration of either 2/1 or 3/1 RMP and the successive penetrations of 3/1 RMP followed by the 2/1 RMP. For cases with penetration of only one RMP component, the penetration thresholds measured by the corresponding resonant component are close for various Δ
ϕ
. However, the 2/1 RMP penetration threshold is significantly reduced if the 3/1 locked island is formed in advance. The changes in the rotation profile due to 3/1 locked island formation could partially contribute to the reduction of the 2/1 thresholds. |
| doi_str_mv | 10.1088/2058-6272/ac9f2e |
| format | Article |
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ϕ
=
ϕ
top
−
ϕ
bottom
, where
ϕ
top
and
ϕ
bottom
are the toroidal phases of the
n
= 1 field of each coil row. The type of RMP penetration is found to be related to Δ
ϕ
, including the RMP penetration of either 2/1 or 3/1 RMP and the successive penetrations of 3/1 RMP followed by the 2/1 RMP. For cases with penetration of only one RMP component, the penetration thresholds measured by the corresponding resonant component are close for various Δ
ϕ
. However, the 2/1 RMP penetration threshold is significantly reduced if the 3/1 locked island is formed in advance. The changes in the rotation profile due to 3/1 locked island formation could partially contribute to the reduction of the 2/1 thresholds.</description><identifier>ISSN: 1009-0630</identifier><identifier>EISSN: 2058-6272</identifier><identifier>DOI: 10.1088/2058-6272/ac9f2e</identifier><identifier>CODEN: PSTHC3</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>error field ; mode penetration ; resonant magnetic perturbation ; spectrum analysis ; tokamak</subject><ispartof>Plasma science & technology, 2022-12, Vol.24 (12), p.124002</ispartof><rights>2022 Hefei Institutes of Physical Science, Chinese Academy of Sciences and IOP Publishing</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-6ab2193940b21b38bf98652c1adf7361a72da13d7f63e56af3018aef50e9979a3</citedby><cites>FETCH-LOGICAL-c313t-6ab2193940b21b38bf98652c1adf7361a72da13d7f63e56af3018aef50e9979a3</cites><orcidid>0000-0002-7635-2905 ; 0000-0002-2330-0749 ; 0000-0002-9483-6911</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/2058-6272/ac9f2e/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>315,781,785,27928,27929,53850,53897</link.rule.ids></links><search><creatorcontrib>MAO, Feiyue</creatorcontrib><creatorcontrib>WANG, Nengchao</creatorcontrib><creatorcontrib>HUANG, Zhuo</creatorcontrib><creatorcontrib>REN, Zhengkang</creatorcontrib><creatorcontrib>ZHOU, Song</creatorcontrib><creatorcontrib>SHEN, Chengshuo</creatorcontrib><creatorcontrib>ZHANG, Xiaoyi</creatorcontrib><creatorcontrib>HE, Ying</creatorcontrib><creatorcontrib>ZHANG, Qi</creatorcontrib><creatorcontrib>JIA, Ruo</creatorcontrib><creatorcontrib>ZHAO, Chuanxu</creatorcontrib><creatorcontrib>LI, Yangbo</creatorcontrib><creatorcontrib>HU, Bo</creatorcontrib><creatorcontrib>LI, Da</creatorcontrib><creatorcontrib>BALA, Abba Alhaji</creatorcontrib><creatorcontrib>CHEN, Zhipeng</creatorcontrib><creatorcontrib>CHEN, Zhongyong</creatorcontrib><creatorcontrib>YANG, Zhoujun</creatorcontrib><creatorcontrib>LIANG, Yunfeng</creatorcontrib><creatorcontrib>DING, Yonghua</creatorcontrib><creatorcontrib>PAN, Yuan</creatorcontrib><title>Study of the spectrum effect on the threshold of resonant magnetic perturbation penetration on J-TEXT</title><title>Plasma science & technology</title><addtitle>PST</addtitle><addtitle>Plasma Sci. Technol</addtitle><description>The spectrum effect on the penetration of resonant magnetic perturbation (RMP) is studied with upgraded in-vessel RMP coils on J-TEXT. The poloidal spectrum of the RMP field, especially the amplitudes of 2/1 and 3/1 components, can be varied by the phase difference between the upper and lower coil rows, Δ
ϕ
=
ϕ
top
−
ϕ
bottom
, where
ϕ
top
and
ϕ
bottom
are the toroidal phases of the
n
= 1 field of each coil row. The type of RMP penetration is found to be related to Δ
ϕ
, including the RMP penetration of either 2/1 or 3/1 RMP and the successive penetrations of 3/1 RMP followed by the 2/1 RMP. For cases with penetration of only one RMP component, the penetration thresholds measured by the corresponding resonant component are close for various Δ
ϕ
. However, the 2/1 RMP penetration threshold is significantly reduced if the 3/1 locked island is formed in advance. The changes in the rotation profile due to 3/1 locked island formation could partially contribute to the reduction of the 2/1 thresholds.</description><subject>error field</subject><subject>mode penetration</subject><subject>resonant magnetic perturbation</subject><subject>spectrum analysis</subject><subject>tokamak</subject><issn>1009-0630</issn><issn>2058-6272</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9UE1LxDAUDKLgunr3mKMH674kbZocZVm_WPDgCt5C2iZul902JOlh_72pFU8iDMwwzDweg9A1gTsCQiwoFCLjtKQLXUtLzQma_VqnaEYAZAacwTm6CGEHUORSsBkyb3Fojri3OG4NDs7U0Q8HbKxNCvfdtx233oRtv2_GXJJ9p7uID_qzM7GtsTM-Dr7SsU15Z5LpJ53wkm1WH5tLdGb1PpirH56j94fVZvmUrV8fn5f366xmhMWM64oSyWQOiSsmKisFL2hNdGNLxokuaaMJa0rLmSm4tgyI0MYWYKQspWZzBNPd2vcheGOV8-1B-6MioMaZ1LiJGjdR00ypcjtV2t6pXT_4Lj34X_zmj7gLUdFcEZqQA1DlGsu-AH_0eEE</recordid><startdate>20221201</startdate><enddate>20221201</enddate><creator>MAO, Feiyue</creator><creator>WANG, Nengchao</creator><creator>HUANG, Zhuo</creator><creator>REN, Zhengkang</creator><creator>ZHOU, Song</creator><creator>SHEN, Chengshuo</creator><creator>ZHANG, Xiaoyi</creator><creator>HE, Ying</creator><creator>ZHANG, Qi</creator><creator>JIA, Ruo</creator><creator>ZHAO, Chuanxu</creator><creator>LI, Yangbo</creator><creator>HU, Bo</creator><creator>LI, Da</creator><creator>BALA, Abba Alhaji</creator><creator>CHEN, Zhipeng</creator><creator>CHEN, Zhongyong</creator><creator>YANG, Zhoujun</creator><creator>LIANG, Yunfeng</creator><creator>DING, Yonghua</creator><creator>PAN, Yuan</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-7635-2905</orcidid><orcidid>https://orcid.org/0000-0002-2330-0749</orcidid><orcidid>https://orcid.org/0000-0002-9483-6911</orcidid></search><sort><creationdate>20221201</creationdate><title>Study of the spectrum effect on the threshold of resonant magnetic perturbation penetration on J-TEXT</title><author>MAO, Feiyue ; WANG, Nengchao ; HUANG, Zhuo ; REN, Zhengkang ; ZHOU, Song ; SHEN, Chengshuo ; ZHANG, Xiaoyi ; HE, Ying ; ZHANG, Qi ; JIA, Ruo ; ZHAO, Chuanxu ; LI, Yangbo ; HU, Bo ; LI, Da ; BALA, Abba Alhaji ; CHEN, Zhipeng ; CHEN, Zhongyong ; YANG, Zhoujun ; LIANG, Yunfeng ; DING, Yonghua ; PAN, Yuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-6ab2193940b21b38bf98652c1adf7361a72da13d7f63e56af3018aef50e9979a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>error field</topic><topic>mode penetration</topic><topic>resonant magnetic perturbation</topic><topic>spectrum analysis</topic><topic>tokamak</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MAO, Feiyue</creatorcontrib><creatorcontrib>WANG, Nengchao</creatorcontrib><creatorcontrib>HUANG, Zhuo</creatorcontrib><creatorcontrib>REN, Zhengkang</creatorcontrib><creatorcontrib>ZHOU, Song</creatorcontrib><creatorcontrib>SHEN, Chengshuo</creatorcontrib><creatorcontrib>ZHANG, Xiaoyi</creatorcontrib><creatorcontrib>HE, Ying</creatorcontrib><creatorcontrib>ZHANG, Qi</creatorcontrib><creatorcontrib>JIA, Ruo</creatorcontrib><creatorcontrib>ZHAO, Chuanxu</creatorcontrib><creatorcontrib>LI, Yangbo</creatorcontrib><creatorcontrib>HU, Bo</creatorcontrib><creatorcontrib>LI, Da</creatorcontrib><creatorcontrib>BALA, Abba Alhaji</creatorcontrib><creatorcontrib>CHEN, Zhipeng</creatorcontrib><creatorcontrib>CHEN, Zhongyong</creatorcontrib><creatorcontrib>YANG, Zhoujun</creatorcontrib><creatorcontrib>LIANG, Yunfeng</creatorcontrib><creatorcontrib>DING, Yonghua</creatorcontrib><creatorcontrib>PAN, Yuan</creatorcontrib><collection>CrossRef</collection><jtitle>Plasma science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MAO, Feiyue</au><au>WANG, Nengchao</au><au>HUANG, Zhuo</au><au>REN, Zhengkang</au><au>ZHOU, Song</au><au>SHEN, Chengshuo</au><au>ZHANG, Xiaoyi</au><au>HE, Ying</au><au>ZHANG, Qi</au><au>JIA, Ruo</au><au>ZHAO, Chuanxu</au><au>LI, Yangbo</au><au>HU, Bo</au><au>LI, Da</au><au>BALA, Abba Alhaji</au><au>CHEN, Zhipeng</au><au>CHEN, Zhongyong</au><au>YANG, Zhoujun</au><au>LIANG, Yunfeng</au><au>DING, Yonghua</au><au>PAN, Yuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of the spectrum effect on the threshold of resonant magnetic perturbation penetration on J-TEXT</atitle><jtitle>Plasma science & technology</jtitle><stitle>PST</stitle><addtitle>Plasma Sci. Technol</addtitle><date>2022-12-01</date><risdate>2022</risdate><volume>24</volume><issue>12</issue><spage>124002</spage><pages>124002-</pages><issn>1009-0630</issn><eissn>2058-6272</eissn><coden>PSTHC3</coden><abstract>The spectrum effect on the penetration of resonant magnetic perturbation (RMP) is studied with upgraded in-vessel RMP coils on J-TEXT. The poloidal spectrum of the RMP field, especially the amplitudes of 2/1 and 3/1 components, can be varied by the phase difference between the upper and lower coil rows, Δ
ϕ
=
ϕ
top
−
ϕ
bottom
, where
ϕ
top
and
ϕ
bottom
are the toroidal phases of the
n
= 1 field of each coil row. The type of RMP penetration is found to be related to Δ
ϕ
, including the RMP penetration of either 2/1 or 3/1 RMP and the successive penetrations of 3/1 RMP followed by the 2/1 RMP. For cases with penetration of only one RMP component, the penetration thresholds measured by the corresponding resonant component are close for various Δ
ϕ
. However, the 2/1 RMP penetration threshold is significantly reduced if the 3/1 locked island is formed in advance. The changes in the rotation profile due to 3/1 locked island formation could partially contribute to the reduction of the 2/1 thresholds.</abstract><pub>IOP Publishing</pub><doi>10.1088/2058-6272/ac9f2e</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-7635-2905</orcidid><orcidid>https://orcid.org/0000-0002-2330-0749</orcidid><orcidid>https://orcid.org/0000-0002-9483-6911</orcidid></addata></record> |
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| source | HEAL-Link subscriptions: Institute of Physics (IOP) Journals; Institute of Physics Journals |
| subjects | error field mode penetration resonant magnetic perturbation spectrum analysis tokamak |
| title | Study of the spectrum effect on the threshold of resonant magnetic perturbation penetration on J-TEXT |
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