Simultaneous reduction of tungsten and rotation in the core region induced by RMP
Tungsten (W) impurity control is critical for plasma performance and a priority for ITER. The simultaneous reduction of W and rotation in the core region induced by resonant magnetic perturbations (RMPs) has been found and understood in EAST. A positive feedback loop between the W and rotation is fi...
Gespeichert in:
| Veröffentlicht in: | Nuclear fusion 2025-01, Vol.65 (1), p.16009 |
|---|---|
| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | 1 |
| container_start_page | 16009 |
| container_title | Nuclear fusion |
| container_volume | 65 |
| creator | Sheng, H. Sun, Y.W. Zhou, C.X. Duan, Y.M. Zhang, W.M. Li, Y.Y. Zhang, L. Chen, J.L. Mao, S.F. Liu, Y.Q. Ma, Q. Shi, T.H. Ye, C. Xie, P.C. Wu, X.M. Jia, M.N. Chu, N. Wang, H.H. Zang, Q. Gu, S. Ye, M.Y. |
| description | Tungsten (W) impurity control is critical for plasma performance and a priority for ITER. The simultaneous reduction of W and rotation in the core region induced by resonant magnetic perturbations (RMPs) has been found and understood in EAST. A positive feedback loop between the W and rotation is first proposed, resulting in core W accumulation and high rotation even in low-torque plasma before the RMP application. This cycle can be reversed by the edge rotation braking induced by RMP, causing a significant simultaneous reduction of W concentration and rotation. These new mechanisms are based on several repeatable experiments and confirmed by the modeling results from TGYRO and NTVTOK. It provides a new understanding of the RMP effects on W and rotation and can be used for W and rotation control in future reactors. |
| doi_str_mv | 10.1088/1741-4326/ad8f44 |
| format | Article |
| fullrecord | <record><control><sourceid>doaj_iop_j</sourceid><recordid>TN_cdi_iop_journals_10_1088_1741_4326_ad8f44</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><doaj_id>oai_doaj_org_article_fa533c4e7d974f1d880193f5b3915992</doaj_id><sourcerecordid>oai_doaj_org_article_fa533c4e7d974f1d880193f5b3915992</sourcerecordid><originalsourceid>FETCH-LOGICAL-c271t-55089be0ad86edd8d1e9c84afb7e80d30bfcd4d0f06c2f7d766b498461bb25143</originalsourceid><addsrcrecordid>eNp1kEtPwzAQhC0EEqVw5-gfQKg3dhL7iCoelYp4ny0_S6o2rhznwL_HbVBvnFaanRntfghdA7kFwvkMGgYFo2U9U5Z7xk7Q5CidogkhpSiqCqpzdNH3a0KAAaUT9PbRbodNUp0LQ4-js4NJbehw8DgN3apPrsOqsziGpA6LtsPp22ETosv21SjllLNY_-D359dLdObVpndXf3OKvh7uP-dPxfLlcTG_WxambCDlWwgX2pF8be2s5RacMJwprxvHiaVEe2OZJZ7UpvSNbepaM8FZDVqXFTA6RYux1wa1lrvYblX8kUG18iCEuJIqptZsnPSqotQw11jRMA-WcwKC-kpTAZUQZe4iY5eJoe-j88c-IHKPV-5Zyj1LOeLNkZsx0oadXIchdvnZ_-2_OWt7tg</addsrcrecordid><sourcetype>Open Website</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Simultaneous reduction of tungsten and rotation in the core region induced by RMP</title><source>IOP Publishing Free Content</source><source>DOAJ Directory of Open Access Journals</source><creator>Sheng, H. ; Sun, Y.W. ; Zhou, C.X. ; Duan, Y.M. ; Zhang, W.M. ; Li, Y.Y. ; Zhang, L. ; Chen, J.L. ; Mao, S.F. ; Liu, Y.Q. ; Ma, Q. ; Shi, T.H. ; Ye, C. ; Xie, P.C. ; Wu, X.M. ; Jia, M.N. ; Chu, N. ; Wang, H.H. ; Zang, Q. ; Gu, S. ; Ye, M.Y.</creator><creatorcontrib>Sheng, H. ; Sun, Y.W. ; Zhou, C.X. ; Duan, Y.M. ; Zhang, W.M. ; Li, Y.Y. ; Zhang, L. ; Chen, J.L. ; Mao, S.F. ; Liu, Y.Q. ; Ma, Q. ; Shi, T.H. ; Ye, C. ; Xie, P.C. ; Wu, X.M. ; Jia, M.N. ; Chu, N. ; Wang, H.H. ; Zang, Q. ; Gu, S. ; Ye, M.Y. ; the EAST Team</creatorcontrib><description>Tungsten (W) impurity control is critical for plasma performance and a priority for ITER. The simultaneous reduction of W and rotation in the core region induced by resonant magnetic perturbations (RMPs) has been found and understood in EAST. A positive feedback loop between the W and rotation is first proposed, resulting in core W accumulation and high rotation even in low-torque plasma before the RMP application. This cycle can be reversed by the edge rotation braking induced by RMP, causing a significant simultaneous reduction of W concentration and rotation. These new mechanisms are based on several repeatable experiments and confirmed by the modeling results from TGYRO and NTVTOK. It provides a new understanding of the RMP effects on W and rotation and can be used for W and rotation control in future reactors.</description><identifier>ISSN: 0029-5515</identifier><identifier>EISSN: 1741-4326</identifier><identifier>DOI: 10.1088/1741-4326/ad8f44</identifier><identifier>CODEN: NUFUAU</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>EAST ; RMP ; rotation ; tungsten</subject><ispartof>Nuclear fusion, 2025-01, Vol.65 (1), p.16009</ispartof><rights>2024 The Author(s). Published by IOP Publishing Ltd on behalf of the IAEA</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c271t-55089be0ad86edd8d1e9c84afb7e80d30bfcd4d0f06c2f7d766b498461bb25143</cites><orcidid>0000-0002-0567-646X ; 0000-0002-9055-1476 ; 0000-0001-8057-8934 ; 0009-0000-9980-6765 ; 0000-0002-9934-1328 ; 0000-0003-1781-9744 ; 0000-0002-8192-8411 ; 0000-0001-6052-5229 ; 0000-0003-4444-1492 ; 0000-0002-2370-1585 ; 0000-0002-1672-9782 ; 0000-0002-3034-0925 ; 0000-0001-5159-939X ; 0000-0001-6941-8745 ; 0000-0002-5321-1464</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1741-4326/ad8f44/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,776,780,860,2096,27901,27902,38867,53842</link.rule.ids></links><search><creatorcontrib>Sheng, H.</creatorcontrib><creatorcontrib>Sun, Y.W.</creatorcontrib><creatorcontrib>Zhou, C.X.</creatorcontrib><creatorcontrib>Duan, Y.M.</creatorcontrib><creatorcontrib>Zhang, W.M.</creatorcontrib><creatorcontrib>Li, Y.Y.</creatorcontrib><creatorcontrib>Zhang, L.</creatorcontrib><creatorcontrib>Chen, J.L.</creatorcontrib><creatorcontrib>Mao, S.F.</creatorcontrib><creatorcontrib>Liu, Y.Q.</creatorcontrib><creatorcontrib>Ma, Q.</creatorcontrib><creatorcontrib>Shi, T.H.</creatorcontrib><creatorcontrib>Ye, C.</creatorcontrib><creatorcontrib>Xie, P.C.</creatorcontrib><creatorcontrib>Wu, X.M.</creatorcontrib><creatorcontrib>Jia, M.N.</creatorcontrib><creatorcontrib>Chu, N.</creatorcontrib><creatorcontrib>Wang, H.H.</creatorcontrib><creatorcontrib>Zang, Q.</creatorcontrib><creatorcontrib>Gu, S.</creatorcontrib><creatorcontrib>Ye, M.Y.</creatorcontrib><creatorcontrib>the EAST Team</creatorcontrib><title>Simultaneous reduction of tungsten and rotation in the core region induced by RMP</title><title>Nuclear fusion</title><addtitle>NF</addtitle><addtitle>Nucl. Fusion</addtitle><description>Tungsten (W) impurity control is critical for plasma performance and a priority for ITER. The simultaneous reduction of W and rotation in the core region induced by resonant magnetic perturbations (RMPs) has been found and understood in EAST. A positive feedback loop between the W and rotation is first proposed, resulting in core W accumulation and high rotation even in low-torque plasma before the RMP application. This cycle can be reversed by the edge rotation braking induced by RMP, causing a significant simultaneous reduction of W concentration and rotation. These new mechanisms are based on several repeatable experiments and confirmed by the modeling results from TGYRO and NTVTOK. It provides a new understanding of the RMP effects on W and rotation and can be used for W and rotation control in future reactors.</description><subject>EAST</subject><subject>RMP</subject><subject>rotation</subject><subject>tungsten</subject><issn>0029-5515</issn><issn>1741-4326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>DOA</sourceid><recordid>eNp1kEtPwzAQhC0EEqVw5-gfQKg3dhL7iCoelYp4ny0_S6o2rhznwL_HbVBvnFaanRntfghdA7kFwvkMGgYFo2U9U5Z7xk7Q5CidogkhpSiqCqpzdNH3a0KAAaUT9PbRbodNUp0LQ4-js4NJbehw8DgN3apPrsOqsziGpA6LtsPp22ETosv21SjllLNY_-D359dLdObVpndXf3OKvh7uP-dPxfLlcTG_WxambCDlWwgX2pF8be2s5RacMJwprxvHiaVEe2OZJZ7UpvSNbepaM8FZDVqXFTA6RYux1wa1lrvYblX8kUG18iCEuJIqptZsnPSqotQw11jRMA-WcwKC-kpTAZUQZe4iY5eJoe-j88c-IHKPV-5Zyj1LOeLNkZsx0oadXIchdvnZ_-2_OWt7tg</recordid><startdate>20250101</startdate><enddate>20250101</enddate><creator>Sheng, H.</creator><creator>Sun, Y.W.</creator><creator>Zhou, C.X.</creator><creator>Duan, Y.M.</creator><creator>Zhang, W.M.</creator><creator>Li, Y.Y.</creator><creator>Zhang, L.</creator><creator>Chen, J.L.</creator><creator>Mao, S.F.</creator><creator>Liu, Y.Q.</creator><creator>Ma, Q.</creator><creator>Shi, T.H.</creator><creator>Ye, C.</creator><creator>Xie, P.C.</creator><creator>Wu, X.M.</creator><creator>Jia, M.N.</creator><creator>Chu, N.</creator><creator>Wang, H.H.</creator><creator>Zang, Q.</creator><creator>Gu, S.</creator><creator>Ye, M.Y.</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-0567-646X</orcidid><orcidid>https://orcid.org/0000-0002-9055-1476</orcidid><orcidid>https://orcid.org/0000-0001-8057-8934</orcidid><orcidid>https://orcid.org/0009-0000-9980-6765</orcidid><orcidid>https://orcid.org/0000-0002-9934-1328</orcidid><orcidid>https://orcid.org/0000-0003-1781-9744</orcidid><orcidid>https://orcid.org/0000-0002-8192-8411</orcidid><orcidid>https://orcid.org/0000-0001-6052-5229</orcidid><orcidid>https://orcid.org/0000-0003-4444-1492</orcidid><orcidid>https://orcid.org/0000-0002-2370-1585</orcidid><orcidid>https://orcid.org/0000-0002-1672-9782</orcidid><orcidid>https://orcid.org/0000-0002-3034-0925</orcidid><orcidid>https://orcid.org/0000-0001-5159-939X</orcidid><orcidid>https://orcid.org/0000-0001-6941-8745</orcidid><orcidid>https://orcid.org/0000-0002-5321-1464</orcidid></search><sort><creationdate>20250101</creationdate><title>Simultaneous reduction of tungsten and rotation in the core region induced by RMP</title><author>Sheng, H. ; Sun, Y.W. ; Zhou, C.X. ; Duan, Y.M. ; Zhang, W.M. ; Li, Y.Y. ; Zhang, L. ; Chen, J.L. ; Mao, S.F. ; Liu, Y.Q. ; Ma, Q. ; Shi, T.H. ; Ye, C. ; Xie, P.C. ; Wu, X.M. ; Jia, M.N. ; Chu, N. ; Wang, H.H. ; Zang, Q. ; Gu, S. ; Ye, M.Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c271t-55089be0ad86edd8d1e9c84afb7e80d30bfcd4d0f06c2f7d766b498461bb25143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>EAST</topic><topic>RMP</topic><topic>rotation</topic><topic>tungsten</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sheng, H.</creatorcontrib><creatorcontrib>Sun, Y.W.</creatorcontrib><creatorcontrib>Zhou, C.X.</creatorcontrib><creatorcontrib>Duan, Y.M.</creatorcontrib><creatorcontrib>Zhang, W.M.</creatorcontrib><creatorcontrib>Li, Y.Y.</creatorcontrib><creatorcontrib>Zhang, L.</creatorcontrib><creatorcontrib>Chen, J.L.</creatorcontrib><creatorcontrib>Mao, S.F.</creatorcontrib><creatorcontrib>Liu, Y.Q.</creatorcontrib><creatorcontrib>Ma, Q.</creatorcontrib><creatorcontrib>Shi, T.H.</creatorcontrib><creatorcontrib>Ye, C.</creatorcontrib><creatorcontrib>Xie, P.C.</creatorcontrib><creatorcontrib>Wu, X.M.</creatorcontrib><creatorcontrib>Jia, M.N.</creatorcontrib><creatorcontrib>Chu, N.</creatorcontrib><creatorcontrib>Wang, H.H.</creatorcontrib><creatorcontrib>Zang, Q.</creatorcontrib><creatorcontrib>Gu, S.</creatorcontrib><creatorcontrib>Ye, M.Y.</creatorcontrib><creatorcontrib>the EAST Team</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Nuclear fusion</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sheng, H.</au><au>Sun, Y.W.</au><au>Zhou, C.X.</au><au>Duan, Y.M.</au><au>Zhang, W.M.</au><au>Li, Y.Y.</au><au>Zhang, L.</au><au>Chen, J.L.</au><au>Mao, S.F.</au><au>Liu, Y.Q.</au><au>Ma, Q.</au><au>Shi, T.H.</au><au>Ye, C.</au><au>Xie, P.C.</au><au>Wu, X.M.</au><au>Jia, M.N.</au><au>Chu, N.</au><au>Wang, H.H.</au><au>Zang, Q.</au><au>Gu, S.</au><au>Ye, M.Y.</au><aucorp>the EAST Team</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simultaneous reduction of tungsten and rotation in the core region induced by RMP</atitle><jtitle>Nuclear fusion</jtitle><stitle>NF</stitle><addtitle>Nucl. Fusion</addtitle><date>2025-01-01</date><risdate>2025</risdate><volume>65</volume><issue>1</issue><spage>16009</spage><pages>16009-</pages><issn>0029-5515</issn><eissn>1741-4326</eissn><coden>NUFUAU</coden><abstract>Tungsten (W) impurity control is critical for plasma performance and a priority for ITER. The simultaneous reduction of W and rotation in the core region induced by resonant magnetic perturbations (RMPs) has been found and understood in EAST. A positive feedback loop between the W and rotation is first proposed, resulting in core W accumulation and high rotation even in low-torque plasma before the RMP application. This cycle can be reversed by the edge rotation braking induced by RMP, causing a significant simultaneous reduction of W concentration and rotation. These new mechanisms are based on several repeatable experiments and confirmed by the modeling results from TGYRO and NTVTOK. It provides a new understanding of the RMP effects on W and rotation and can be used for W and rotation control in future reactors.</abstract><pub>IOP Publishing</pub><doi>10.1088/1741-4326/ad8f44</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-0567-646X</orcidid><orcidid>https://orcid.org/0000-0002-9055-1476</orcidid><orcidid>https://orcid.org/0000-0001-8057-8934</orcidid><orcidid>https://orcid.org/0009-0000-9980-6765</orcidid><orcidid>https://orcid.org/0000-0002-9934-1328</orcidid><orcidid>https://orcid.org/0000-0003-1781-9744</orcidid><orcidid>https://orcid.org/0000-0002-8192-8411</orcidid><orcidid>https://orcid.org/0000-0001-6052-5229</orcidid><orcidid>https://orcid.org/0000-0003-4444-1492</orcidid><orcidid>https://orcid.org/0000-0002-2370-1585</orcidid><orcidid>https://orcid.org/0000-0002-1672-9782</orcidid><orcidid>https://orcid.org/0000-0002-3034-0925</orcidid><orcidid>https://orcid.org/0000-0001-5159-939X</orcidid><orcidid>https://orcid.org/0000-0001-6941-8745</orcidid><orcidid>https://orcid.org/0000-0002-5321-1464</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0029-5515 |
| ispartof | Nuclear fusion, 2025-01, Vol.65 (1), p.16009 |
| issn | 0029-5515 1741-4326 |
| language | eng |
| recordid | cdi_iop_journals_10_1088_1741_4326_ad8f44 |
| source | IOP Publishing Free Content; DOAJ Directory of Open Access Journals |
| subjects | EAST RMP rotation tungsten |
| title | Simultaneous reduction of tungsten and rotation in the core region induced by RMP |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-06T15%3A27%3A41IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-doaj_iop_j&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Simultaneous%20reduction%20of%20tungsten%20and%20rotation%20in%20the%20core%20region%20induced%20by%20RMP&rft.jtitle=Nuclear%20fusion&rft.au=Sheng,%20H.&rft.aucorp=the%20EAST%20Team&rft.date=2025-01-01&rft.volume=65&rft.issue=1&rft.spage=16009&rft.pages=16009-&rft.issn=0029-5515&rft.eissn=1741-4326&rft.coden=NUFUAU&rft_id=info:doi/10.1088/1741-4326/ad8f44&rft_dat=%3Cdoaj_iop_j%3Eoai_doaj_org_article_fa533c4e7d974f1d880193f5b3915992%3C/doaj_iop_j%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rft_doaj_id=oai_doaj_org_article_fa533c4e7d974f1d880193f5b3915992&rfr_iscdi=true |