NSTX-U theory, modeling and analysis results

The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics basis and technical solutions required for optimizing the configuration of next-step steady-state tokamak fusion devices. NSTX-U will ultimately operate at up to 2 MA of plasma current and 1 T toroidal field on ax...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Nuclear fusion 2022-03, Vol.62 (4)
Hauptverfasser: Guttenfelder, Walter, Battaglia, D J, Belova, Elena, Bertelli, Nicola, Boyer, Mark D, Chang, Choong Seock, Diallo, Ahmed, Duarte, Vinicius N, Ebrahimi, Fatima, Emdee, Eric, Ferraro, N, Fredrickson, Eric, Gorelenkov, Nikolai N, Heidbrink, William W, Ilhan, Zeki, Kaye, Stanley M, Kim, Eun-Hwa, Kleiner, Andreas, Laggner, Florian M., Lampert, Mate, Lestz, Jeff, Liu, Chang, Liu, Deyong, Looby, Tom, Mandell, Noah, Maingi, Rajesh, Myra, James R, Munaretto, Stefano, Podesta, Mario, Rafiq, Tariq, Raman, Roger, Reinke, Matthew, Ren, Yang, Ruiz Ruiz, Juan, Scotti, Filippo, Shiraiwa, Syun'ichi, Soukhanovskii, Vlad, Vail, Patrick, Wang, Zhirui, Wehner, Will P, White, Anne E, White, Roscoe B, Woods, Benjamin J Q, Yang, James, Zweben, Stewart, Banerjee, Santanu, Barchfeld, Robert, Bell, Ronald E, Berkery, John, Bhattacharjee, Amitawa, Bierwage, Andreas, Canal, Gustavo Paganini, Chen, Xiang, Clauser, Cesar Fernando, Crocker, Neal A, Domier, C W, Evans, Todd E, Francisquez, Manaure, Gan, Kaifu, Gerhardt, Stefan P, Goldston, Robert James, Gray, Travis K, Hakim, Ammar, Hammett, Gregory W, Jardin, Stephen C, Kaita, Robert, Koel, Bruce E, Kolemen, Egemen, Ku, Seung-Hoe, Kubota, Shigeyuki, LeBlanc, Benoit P, Levinton, Fred, Lore, Jeremy D, Luhmann, Neville C, Lunsford, R., Maqueda, Ricardo, Menard, Jonathan E, Nichols, Jacob H, Ono, Masayuki, Park, Jong-Kyu, Poli, Francesca M, Rhodes, Terry L, Riquezes, Juan, Russell, Dave A, Sabbagh, Steve A, Schuster, Eugenio, Smith, David, Stotler, Daren P, Stratton, Brentley, Tritz, Kevin, Wang, Weixing, Wirth, Brian D
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue 4
container_start_page
container_title Nuclear fusion
container_volume 62
creator Guttenfelder, Walter
Battaglia, D J
Belova, Elena
Bertelli, Nicola
Boyer, Mark D
Chang, Choong Seock
Diallo, Ahmed
Duarte, Vinicius N
Ebrahimi, Fatima
Emdee, Eric
Ferraro, N
Fredrickson, Eric
Gorelenkov, Nikolai N
Heidbrink, William W
Ilhan, Zeki
Kaye, Stanley M
Kim, Eun-Hwa
Kleiner, Andreas
Laggner, Florian M.
Lampert, Mate
Lestz, Jeff
Liu, Chang
Liu, Deyong
Looby, Tom
Mandell, Noah
Maingi, Rajesh
Myra, James R
Munaretto, Stefano
Podesta, Mario
Rafiq, Tariq
Raman, Roger
Reinke, Matthew
Ren, Yang
Ruiz Ruiz, Juan
Scotti, Filippo
Shiraiwa, Syun'ichi
Soukhanovskii, Vlad
Vail, Patrick
Wang, Zhirui
Wehner, Will P
White, Anne E
White, Roscoe B
Woods, Benjamin J Q
Yang, James
Zweben, Stewart
Banerjee, Santanu
Barchfeld, Robert
Bell, Ronald E
Berkery, John
Bhattacharjee, Amitawa
Bierwage, Andreas
Canal, Gustavo Paganini
Chen, Xiang
Clauser, Cesar Fernando
Crocker, Neal A
Domier, C W
Evans, Todd E
Francisquez, Manaure
Gan, Kaifu
Gerhardt, Stefan P
Goldston, Robert James
Gray, Travis K
Hakim, Ammar
Hammett, Gregory W
Jardin, Stephen C
Kaita, Robert
Koel, Bruce E
Kolemen, Egemen
Ku, Seung-Hoe
Kubota, Shigeyuki
LeBlanc, Benoit P
Levinton, Fred
Lore, Jeremy D
Luhmann, Neville C
Lunsford, R.
Maqueda, Ricardo
Menard, Jonathan E
Nichols, Jacob H
Ono, Masayuki
Park, Jong-Kyu
Poli, Francesca M
Rhodes, Terry L
Riquezes, Juan
Russell, Dave A
Sabbagh, Steve A
Schuster, Eugenio
Smith, David
Stotler, Daren P
Stratton, Brentley
Tritz, Kevin
Wang, Weixing
Wirth, Brian D
description The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics basis and technical solutions required for optimizing the configuration of next-step steady-state tokamak fusion devices. NSTX-U will ultimately operate at up to 2 MA of plasma current and 1 T toroidal field on axis for 5 seconds, and has available up to 15 MW of Neutral Beam Injection (NBI) power at different tangency radii and 6 MW of High Harmonic Fast Wave (HHFW) heating. With these capabilities NSTX-U will develop the physics understanding and control tools to ramp-up and sustain high performance fully non-inductive plasmas with large bootstrap fraction and enhanced confinement enabled via the low aspect ratio, high beta configuration. With its unique capabilities, NSTX-U research also supports ITER and other critical fusion development needs. Super-Alfvénic ions in beam-heated NSTX-U plasmas access energetic particle parameter space that is relevant for both -heated conventional and low aspect ratio burning plasmas. NSTX-U can also generate very large target heat fluxes to test conventional and innovative plasma exhaust and plasma facing component (PFC) solutions. This paper summarizes recent analysis, theory and modelling progress to advance the tokamak physics basis in the areas of macrostability and 3D fields, energetic particle stability and fast ion transport, thermal transport and pedestal structure, boundary and plasma material interaction, RF heating, scenario optimization and real-time control.
doi_str_mv 10.1088/1741-4326/ac5366
format Article
fullrecord <record><control><sourceid>crossref_osti_</sourceid><recordid>TN_cdi_osti_scitechconnect_1856197</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>10_1088_1741_4326_ac5366</sourcerecordid><originalsourceid>FETCH-LOGICAL-c1546-db3ce052a40c38d9a67965395351557483c95b5b01a3d2252abf3b129c3ae6813</originalsourceid><addsrcrecordid>eNo9kEFLxDAUhIMoWFfvHovnjZuXl6TJURZdhUUP7oK3kKapW-m2ktTD_ntbKh4eA4-PGWYIuQV2D0zrFRQCqECuVs5LVOqMZP-vc5Ixxg2VEuQluUrpizEQgJiR5ev77oPu8-EQ-nha5se-Cm3Tfeauq8Zz7Sk1KY8h_bRDuiYXtWtTuPnTBdk_Pe7Wz3T7tnlZP2ypBykUrUr0gUnuBPOoK-NUYZREI3HMl4XQ6I0sZcnAYcX5CJY1lsCNRxeUBlyQu9m3T0Njk2-G4A--77rgBwtaKjDFCLEZ8rFPKYbafsfm6OLJArPTJHbqb6f-dp4EfwFJBFFq</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>NSTX-U theory, modeling and analysis results</title><source>IOP Publishing Journals</source><source>Institute of Physics (IOP) Journals - HEAL-Link</source><creator>Guttenfelder, Walter ; Battaglia, D J ; Belova, Elena ; Bertelli, Nicola ; Boyer, Mark D ; Chang, Choong Seock ; Diallo, Ahmed ; Duarte, Vinicius N ; Ebrahimi, Fatima ; Emdee, Eric ; Ferraro, N ; Fredrickson, Eric ; Gorelenkov, Nikolai N ; Heidbrink, William W ; Ilhan, Zeki ; Kaye, Stanley M ; Kim, Eun-Hwa ; Kleiner, Andreas ; Laggner, Florian M. ; Lampert, Mate ; Lestz, Jeff ; Liu, Chang ; Liu, Deyong ; Looby, Tom ; Mandell, Noah ; Maingi, Rajesh ; Myra, James R ; Munaretto, Stefano ; Podesta, Mario ; Rafiq, Tariq ; Raman, Roger ; Reinke, Matthew ; Ren, Yang ; Ruiz Ruiz, Juan ; Scotti, Filippo ; Shiraiwa, Syun'ichi ; Soukhanovskii, Vlad ; Vail, Patrick ; Wang, Zhirui ; Wehner, Will P ; White, Anne E ; White, Roscoe B ; Woods, Benjamin J Q ; Yang, James ; Zweben, Stewart ; Banerjee, Santanu ; Barchfeld, Robert ; Bell, Ronald E ; Berkery, John ; Bhattacharjee, Amitawa ; Bierwage, Andreas ; Canal, Gustavo Paganini ; Chen, Xiang ; Clauser, Cesar Fernando ; Crocker, Neal A ; Domier, C W ; Evans, Todd E ; Francisquez, Manaure ; Gan, Kaifu ; Gerhardt, Stefan P ; Goldston, Robert James ; Gray, Travis K ; Hakim, Ammar ; Hammett, Gregory W ; Jardin, Stephen C ; Kaita, Robert ; Koel, Bruce E ; Kolemen, Egemen ; Ku, Seung-Hoe ; Kubota, Shigeyuki ; LeBlanc, Benoit P ; Levinton, Fred ; Lore, Jeremy D ; Luhmann, Neville C ; Lunsford, R. ; Maqueda, Ricardo ; Menard, Jonathan E ; Nichols, Jacob H ; Ono, Masayuki ; Park, Jong-Kyu ; Poli, Francesca M ; Rhodes, Terry L ; Riquezes, Juan ; Russell, Dave A ; Sabbagh, Steve A ; Schuster, Eugenio ; Smith, David ; Stotler, Daren P ; Stratton, Brentley ; Tritz, Kevin ; Wang, Weixing ; Wirth, Brian D</creator><creatorcontrib>Guttenfelder, Walter ; Battaglia, D J ; Belova, Elena ; Bertelli, Nicola ; Boyer, Mark D ; Chang, Choong Seock ; Diallo, Ahmed ; Duarte, Vinicius N ; Ebrahimi, Fatima ; Emdee, Eric ; Ferraro, N ; Fredrickson, Eric ; Gorelenkov, Nikolai N ; Heidbrink, William W ; Ilhan, Zeki ; Kaye, Stanley M ; Kim, Eun-Hwa ; Kleiner, Andreas ; Laggner, Florian M. ; Lampert, Mate ; Lestz, Jeff ; Liu, Chang ; Liu, Deyong ; Looby, Tom ; Mandell, Noah ; Maingi, Rajesh ; Myra, James R ; Munaretto, Stefano ; Podesta, Mario ; Rafiq, Tariq ; Raman, Roger ; Reinke, Matthew ; Ren, Yang ; Ruiz Ruiz, Juan ; Scotti, Filippo ; Shiraiwa, Syun'ichi ; Soukhanovskii, Vlad ; Vail, Patrick ; Wang, Zhirui ; Wehner, Will P ; White, Anne E ; White, Roscoe B ; Woods, Benjamin J Q ; Yang, James ; Zweben, Stewart ; Banerjee, Santanu ; Barchfeld, Robert ; Bell, Ronald E ; Berkery, John ; Bhattacharjee, Amitawa ; Bierwage, Andreas ; Canal, Gustavo Paganini ; Chen, Xiang ; Clauser, Cesar Fernando ; Crocker, Neal A ; Domier, C W ; Evans, Todd E ; Francisquez, Manaure ; Gan, Kaifu ; Gerhardt, Stefan P ; Goldston, Robert James ; Gray, Travis K ; Hakim, Ammar ; Hammett, Gregory W ; Jardin, Stephen C ; Kaita, Robert ; Koel, Bruce E ; Kolemen, Egemen ; Ku, Seung-Hoe ; Kubota, Shigeyuki ; LeBlanc, Benoit P ; Levinton, Fred ; Lore, Jeremy D ; Luhmann, Neville C ; Lunsford, R. ; Maqueda, Ricardo ; Menard, Jonathan E ; Nichols, Jacob H ; Ono, Masayuki ; Park, Jong-Kyu ; Poli, Francesca M ; Rhodes, Terry L ; Riquezes, Juan ; Russell, Dave A ; Sabbagh, Steve A ; Schuster, Eugenio ; Smith, David ; Stotler, Daren P ; Stratton, Brentley ; Tritz, Kevin ; Wang, Weixing ; Wirth, Brian D ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States) ; Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States) ; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)</creatorcontrib><description>The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics basis and technical solutions required for optimizing the configuration of next-step steady-state tokamak fusion devices. NSTX-U will ultimately operate at up to 2 MA of plasma current and 1 T toroidal field on axis for 5 seconds, and has available up to 15 MW of Neutral Beam Injection (NBI) power at different tangency radii and 6 MW of High Harmonic Fast Wave (HHFW) heating. With these capabilities NSTX-U will develop the physics understanding and control tools to ramp-up and sustain high performance fully non-inductive plasmas with large bootstrap fraction and enhanced confinement enabled via the low aspect ratio, high beta configuration. With its unique capabilities, NSTX-U research also supports ITER and other critical fusion development needs. Super-Alfvénic ions in beam-heated NSTX-U plasmas access energetic particle parameter space that is relevant for both -heated conventional and low aspect ratio burning plasmas. NSTX-U can also generate very large target heat fluxes to test conventional and innovative plasma exhaust and plasma facing component (PFC) solutions. This paper summarizes recent analysis, theory and modelling progress to advance the tokamak physics basis in the areas of macrostability and 3D fields, energetic particle stability and fast ion transport, thermal transport and pedestal structure, boundary and plasma material interaction, RF heating, scenario optimization and real-time control.</description><identifier>ISSN: 0029-5515</identifier><identifier>EISSN: 1741-4326</identifier><identifier>DOI: 10.1088/1741-4326/ac5366</identifier><language>eng</language><publisher>United States: IOP Science</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; NSTX ; NSTX-U ; overview</subject><ispartof>Nuclear fusion, 2022-03, Vol.62 (4)</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-4212-3247 ; 0000-0001-6390-6908 ; 0000-0002-0368-5514 ; 0000-0003-2379-5814 ; 0000-0002-9326-7585 ; 0000-0003-1238-8121 ; 0000-0002-6942-8043 ; 0000-0003-3334-2077 ; 0000-0002-0395-0285 ; 0000-0002-6348-7827 ; 0000-0003-1292-3286 ; 0000-0001-8897-9740 ; 0000-0001-9849-9417 ; 0000-0001-8422-8464 ; 0000-0001-8096-7518 ; 0000-0002-2514-1163 ; 0000-0003-3959-4371 ; 0000-0003-4258-5273 ; 0000-0001-8181-058X ; 0000-0002-6975-1537 ; 0000-0001-9174-7078 ; 0000-0002-2164-1582 ; 0000-0002-9192-465X ; 0000-0002-2597-5061 ; 0000-0003-2419-8667 ; 0000-0002-8357-5859 ; 0000-0001-5939-8429 ; 0000-0003-4975-0585 ; 0000-0003-2628-3873 ; 0000-0003-1243-0502 ; 0000-0001-9629-2252 ; 0000-0002-7496-959X ; 0000-0002-6845-9155 ; 0000-0002-0706-060X ; 0000-0002-8247-3770 ; 0000-0002-5800-8027 ; 0000-0001-5521-8718 ; 0000-0003-3588-6801 ; 0000-0001-9544-498X ; 0000-0003-0859-8855 ; 0000-0003-1465-0971 ; 0000-0002-6747-955X ; 0000000312430502 ; 0000000159398429 ; 0000000221641582 ; 0000000225975061 ; 0000000349750585 ; 000000019544498X ; 0000000258008027 ; 0000000191747078 ; 000000026747955X ; 0000000269428043 ; 0000000184228464 ; 0000000188979740 ; 0000000314650971 ; 000000027496959X ; 0000000308598855 ; 0000000203950285 ; 0000000282473770 ; 0000000283575859 ; 0000000339594371 ; 0000000312388121 ; 0000000196292252 ; 0000000342123247 ; 0000000342585273 ; 0000000333342077 ; 0000000180967518 ; 0000000203685514 ; 0000000293267585 ; 0000000269751537 ; 0000000323795814 ; 0000000268459155 ; 0000000263487827 ; 000000018181058X ; 0000000324198667 ; 000000029192465X ; 0000000155218718 ; 0000000163906908 ; 0000000326283873 ; 0000000198499417 ; 0000000225141163 ; 000000020706060X ; 0000000312923286 ; 0000000335886801</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1856197$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Guttenfelder, Walter</creatorcontrib><creatorcontrib>Battaglia, D J</creatorcontrib><creatorcontrib>Belova, Elena</creatorcontrib><creatorcontrib>Bertelli, Nicola</creatorcontrib><creatorcontrib>Boyer, Mark D</creatorcontrib><creatorcontrib>Chang, Choong Seock</creatorcontrib><creatorcontrib>Diallo, Ahmed</creatorcontrib><creatorcontrib>Duarte, Vinicius N</creatorcontrib><creatorcontrib>Ebrahimi, Fatima</creatorcontrib><creatorcontrib>Emdee, Eric</creatorcontrib><creatorcontrib>Ferraro, N</creatorcontrib><creatorcontrib>Fredrickson, Eric</creatorcontrib><creatorcontrib>Gorelenkov, Nikolai N</creatorcontrib><creatorcontrib>Heidbrink, William W</creatorcontrib><creatorcontrib>Ilhan, Zeki</creatorcontrib><creatorcontrib>Kaye, Stanley M</creatorcontrib><creatorcontrib>Kim, Eun-Hwa</creatorcontrib><creatorcontrib>Kleiner, Andreas</creatorcontrib><creatorcontrib>Laggner, Florian M.</creatorcontrib><creatorcontrib>Lampert, Mate</creatorcontrib><creatorcontrib>Lestz, Jeff</creatorcontrib><creatorcontrib>Liu, Chang</creatorcontrib><creatorcontrib>Liu, Deyong</creatorcontrib><creatorcontrib>Looby, Tom</creatorcontrib><creatorcontrib>Mandell, Noah</creatorcontrib><creatorcontrib>Maingi, Rajesh</creatorcontrib><creatorcontrib>Myra, James R</creatorcontrib><creatorcontrib>Munaretto, Stefano</creatorcontrib><creatorcontrib>Podesta, Mario</creatorcontrib><creatorcontrib>Rafiq, Tariq</creatorcontrib><creatorcontrib>Raman, Roger</creatorcontrib><creatorcontrib>Reinke, Matthew</creatorcontrib><creatorcontrib>Ren, Yang</creatorcontrib><creatorcontrib>Ruiz Ruiz, Juan</creatorcontrib><creatorcontrib>Scotti, Filippo</creatorcontrib><creatorcontrib>Shiraiwa, Syun'ichi</creatorcontrib><creatorcontrib>Soukhanovskii, Vlad</creatorcontrib><creatorcontrib>Vail, Patrick</creatorcontrib><creatorcontrib>Wang, Zhirui</creatorcontrib><creatorcontrib>Wehner, Will P</creatorcontrib><creatorcontrib>White, Anne E</creatorcontrib><creatorcontrib>White, Roscoe B</creatorcontrib><creatorcontrib>Woods, Benjamin J Q</creatorcontrib><creatorcontrib>Yang, James</creatorcontrib><creatorcontrib>Zweben, Stewart</creatorcontrib><creatorcontrib>Banerjee, Santanu</creatorcontrib><creatorcontrib>Barchfeld, Robert</creatorcontrib><creatorcontrib>Bell, Ronald E</creatorcontrib><creatorcontrib>Berkery, John</creatorcontrib><creatorcontrib>Bhattacharjee, Amitawa</creatorcontrib><creatorcontrib>Bierwage, Andreas</creatorcontrib><creatorcontrib>Canal, Gustavo Paganini</creatorcontrib><creatorcontrib>Chen, Xiang</creatorcontrib><creatorcontrib>Clauser, Cesar Fernando</creatorcontrib><creatorcontrib>Crocker, Neal A</creatorcontrib><creatorcontrib>Domier, C W</creatorcontrib><creatorcontrib>Evans, Todd E</creatorcontrib><creatorcontrib>Francisquez, Manaure</creatorcontrib><creatorcontrib>Gan, Kaifu</creatorcontrib><creatorcontrib>Gerhardt, Stefan P</creatorcontrib><creatorcontrib>Goldston, Robert James</creatorcontrib><creatorcontrib>Gray, Travis K</creatorcontrib><creatorcontrib>Hakim, Ammar</creatorcontrib><creatorcontrib>Hammett, Gregory W</creatorcontrib><creatorcontrib>Jardin, Stephen C</creatorcontrib><creatorcontrib>Kaita, Robert</creatorcontrib><creatorcontrib>Koel, Bruce E</creatorcontrib><creatorcontrib>Kolemen, Egemen</creatorcontrib><creatorcontrib>Ku, Seung-Hoe</creatorcontrib><creatorcontrib>Kubota, Shigeyuki</creatorcontrib><creatorcontrib>LeBlanc, Benoit P</creatorcontrib><creatorcontrib>Levinton, Fred</creatorcontrib><creatorcontrib>Lore, Jeremy D</creatorcontrib><creatorcontrib>Luhmann, Neville C</creatorcontrib><creatorcontrib>Lunsford, R.</creatorcontrib><creatorcontrib>Maqueda, Ricardo</creatorcontrib><creatorcontrib>Menard, Jonathan E</creatorcontrib><creatorcontrib>Nichols, Jacob H</creatorcontrib><creatorcontrib>Ono, Masayuki</creatorcontrib><creatorcontrib>Park, Jong-Kyu</creatorcontrib><creatorcontrib>Poli, Francesca M</creatorcontrib><creatorcontrib>Rhodes, Terry L</creatorcontrib><creatorcontrib>Riquezes, Juan</creatorcontrib><creatorcontrib>Russell, Dave A</creatorcontrib><creatorcontrib>Sabbagh, Steve A</creatorcontrib><creatorcontrib>Schuster, Eugenio</creatorcontrib><creatorcontrib>Smith, David</creatorcontrib><creatorcontrib>Stotler, Daren P</creatorcontrib><creatorcontrib>Stratton, Brentley</creatorcontrib><creatorcontrib>Tritz, Kevin</creatorcontrib><creatorcontrib>Wang, Weixing</creatorcontrib><creatorcontrib>Wirth, Brian D</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)</creatorcontrib><creatorcontrib>Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)</creatorcontrib><title>NSTX-U theory, modeling and analysis results</title><title>Nuclear fusion</title><description>The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics basis and technical solutions required for optimizing the configuration of next-step steady-state tokamak fusion devices. NSTX-U will ultimately operate at up to 2 MA of plasma current and 1 T toroidal field on axis for 5 seconds, and has available up to 15 MW of Neutral Beam Injection (NBI) power at different tangency radii and 6 MW of High Harmonic Fast Wave (HHFW) heating. With these capabilities NSTX-U will develop the physics understanding and control tools to ramp-up and sustain high performance fully non-inductive plasmas with large bootstrap fraction and enhanced confinement enabled via the low aspect ratio, high beta configuration. With its unique capabilities, NSTX-U research also supports ITER and other critical fusion development needs. Super-Alfvénic ions in beam-heated NSTX-U plasmas access energetic particle parameter space that is relevant for both -heated conventional and low aspect ratio burning plasmas. NSTX-U can also generate very large target heat fluxes to test conventional and innovative plasma exhaust and plasma facing component (PFC) solutions. This paper summarizes recent analysis, theory and modelling progress to advance the tokamak physics basis in the areas of macrostability and 3D fields, energetic particle stability and fast ion transport, thermal transport and pedestal structure, boundary and plasma material interaction, RF heating, scenario optimization and real-time control.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>NSTX</subject><subject>NSTX-U</subject><subject>overview</subject><issn>0029-5515</issn><issn>1741-4326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9kEFLxDAUhIMoWFfvHovnjZuXl6TJURZdhUUP7oK3kKapW-m2ktTD_ntbKh4eA4-PGWYIuQV2D0zrFRQCqECuVs5LVOqMZP-vc5Ixxg2VEuQluUrpizEQgJiR5ev77oPu8-EQ-nha5se-Cm3Tfeauq8Zz7Sk1KY8h_bRDuiYXtWtTuPnTBdk_Pe7Wz3T7tnlZP2ypBykUrUr0gUnuBPOoK-NUYZREI3HMl4XQ6I0sZcnAYcX5CJY1lsCNRxeUBlyQu9m3T0Njk2-G4A--77rgBwtaKjDFCLEZ8rFPKYbafsfm6OLJArPTJHbqb6f-dp4EfwFJBFFq</recordid><startdate>20220330</startdate><enddate>20220330</enddate><creator>Guttenfelder, Walter</creator><creator>Battaglia, D J</creator><creator>Belova, Elena</creator><creator>Bertelli, Nicola</creator><creator>Boyer, Mark D</creator><creator>Chang, Choong Seock</creator><creator>Diallo, Ahmed</creator><creator>Duarte, Vinicius N</creator><creator>Ebrahimi, Fatima</creator><creator>Emdee, Eric</creator><creator>Ferraro, N</creator><creator>Fredrickson, Eric</creator><creator>Gorelenkov, Nikolai N</creator><creator>Heidbrink, William W</creator><creator>Ilhan, Zeki</creator><creator>Kaye, Stanley M</creator><creator>Kim, Eun-Hwa</creator><creator>Kleiner, Andreas</creator><creator>Laggner, Florian M.</creator><creator>Lampert, Mate</creator><creator>Lestz, Jeff</creator><creator>Liu, Chang</creator><creator>Liu, Deyong</creator><creator>Looby, Tom</creator><creator>Mandell, Noah</creator><creator>Maingi, Rajesh</creator><creator>Myra, James R</creator><creator>Munaretto, Stefano</creator><creator>Podesta, Mario</creator><creator>Rafiq, Tariq</creator><creator>Raman, Roger</creator><creator>Reinke, Matthew</creator><creator>Ren, Yang</creator><creator>Ruiz Ruiz, Juan</creator><creator>Scotti, Filippo</creator><creator>Shiraiwa, Syun'ichi</creator><creator>Soukhanovskii, Vlad</creator><creator>Vail, Patrick</creator><creator>Wang, Zhirui</creator><creator>Wehner, Will P</creator><creator>White, Anne E</creator><creator>White, Roscoe B</creator><creator>Woods, Benjamin J Q</creator><creator>Yang, James</creator><creator>Zweben, Stewart</creator><creator>Banerjee, Santanu</creator><creator>Barchfeld, Robert</creator><creator>Bell, Ronald E</creator><creator>Berkery, John</creator><creator>Bhattacharjee, Amitawa</creator><creator>Bierwage, Andreas</creator><creator>Canal, Gustavo Paganini</creator><creator>Chen, Xiang</creator><creator>Clauser, Cesar Fernando</creator><creator>Crocker, Neal A</creator><creator>Domier, C W</creator><creator>Evans, Todd E</creator><creator>Francisquez, Manaure</creator><creator>Gan, Kaifu</creator><creator>Gerhardt, Stefan P</creator><creator>Goldston, Robert James</creator><creator>Gray, Travis K</creator><creator>Hakim, Ammar</creator><creator>Hammett, Gregory W</creator><creator>Jardin, Stephen C</creator><creator>Kaita, Robert</creator><creator>Koel, Bruce E</creator><creator>Kolemen, Egemen</creator><creator>Ku, Seung-Hoe</creator><creator>Kubota, Shigeyuki</creator><creator>LeBlanc, Benoit P</creator><creator>Levinton, Fred</creator><creator>Lore, Jeremy D</creator><creator>Luhmann, Neville C</creator><creator>Lunsford, R.</creator><creator>Maqueda, Ricardo</creator><creator>Menard, Jonathan E</creator><creator>Nichols, Jacob H</creator><creator>Ono, Masayuki</creator><creator>Park, Jong-Kyu</creator><creator>Poli, Francesca M</creator><creator>Rhodes, Terry L</creator><creator>Riquezes, Juan</creator><creator>Russell, Dave A</creator><creator>Sabbagh, Steve A</creator><creator>Schuster, Eugenio</creator><creator>Smith, David</creator><creator>Stotler, Daren P</creator><creator>Stratton, Brentley</creator><creator>Tritz, Kevin</creator><creator>Wang, Weixing</creator><creator>Wirth, Brian D</creator><general>IOP Science</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-4212-3247</orcidid><orcidid>https://orcid.org/0000-0001-6390-6908</orcidid><orcidid>https://orcid.org/0000-0002-0368-5514</orcidid><orcidid>https://orcid.org/0000-0003-2379-5814</orcidid><orcidid>https://orcid.org/0000-0002-9326-7585</orcidid><orcidid>https://orcid.org/0000-0003-1238-8121</orcidid><orcidid>https://orcid.org/0000-0002-6942-8043</orcidid><orcidid>https://orcid.org/0000-0003-3334-2077</orcidid><orcidid>https://orcid.org/0000-0002-0395-0285</orcidid><orcidid>https://orcid.org/0000-0002-6348-7827</orcidid><orcidid>https://orcid.org/0000-0003-1292-3286</orcidid><orcidid>https://orcid.org/0000-0001-8897-9740</orcidid><orcidid>https://orcid.org/0000-0001-9849-9417</orcidid><orcidid>https://orcid.org/0000-0001-8422-8464</orcidid><orcidid>https://orcid.org/0000-0001-8096-7518</orcidid><orcidid>https://orcid.org/0000-0002-2514-1163</orcidid><orcidid>https://orcid.org/0000-0003-3959-4371</orcidid><orcidid>https://orcid.org/0000-0003-4258-5273</orcidid><orcidid>https://orcid.org/0000-0001-8181-058X</orcidid><orcidid>https://orcid.org/0000-0002-6975-1537</orcidid><orcidid>https://orcid.org/0000-0001-9174-7078</orcidid><orcidid>https://orcid.org/0000-0002-2164-1582</orcidid><orcidid>https://orcid.org/0000-0002-9192-465X</orcidid><orcidid>https://orcid.org/0000-0002-2597-5061</orcidid><orcidid>https://orcid.org/0000-0003-2419-8667</orcidid><orcidid>https://orcid.org/0000-0002-8357-5859</orcidid><orcidid>https://orcid.org/0000-0001-5939-8429</orcidid><orcidid>https://orcid.org/0000-0003-4975-0585</orcidid><orcidid>https://orcid.org/0000-0003-2628-3873</orcidid><orcidid>https://orcid.org/0000-0003-1243-0502</orcidid><orcidid>https://orcid.org/0000-0001-9629-2252</orcidid><orcidid>https://orcid.org/0000-0002-7496-959X</orcidid><orcidid>https://orcid.org/0000-0002-6845-9155</orcidid><orcidid>https://orcid.org/0000-0002-0706-060X</orcidid><orcidid>https://orcid.org/0000-0002-8247-3770</orcidid><orcidid>https://orcid.org/0000-0002-5800-8027</orcidid><orcidid>https://orcid.org/0000-0001-5521-8718</orcidid><orcidid>https://orcid.org/0000-0003-3588-6801</orcidid><orcidid>https://orcid.org/0000-0001-9544-498X</orcidid><orcidid>https://orcid.org/0000-0003-0859-8855</orcidid><orcidid>https://orcid.org/0000-0003-1465-0971</orcidid><orcidid>https://orcid.org/0000-0002-6747-955X</orcidid><orcidid>https://orcid.org/0000000312430502</orcidid><orcidid>https://orcid.org/0000000159398429</orcidid><orcidid>https://orcid.org/0000000221641582</orcidid><orcidid>https://orcid.org/0000000225975061</orcidid><orcidid>https://orcid.org/0000000349750585</orcidid><orcidid>https://orcid.org/000000019544498X</orcidid><orcidid>https://orcid.org/0000000258008027</orcidid><orcidid>https://orcid.org/0000000191747078</orcidid><orcidid>https://orcid.org/000000026747955X</orcidid><orcidid>https://orcid.org/0000000269428043</orcidid><orcidid>https://orcid.org/0000000184228464</orcidid><orcidid>https://orcid.org/0000000188979740</orcidid><orcidid>https://orcid.org/0000000314650971</orcidid><orcidid>https://orcid.org/000000027496959X</orcidid><orcidid>https://orcid.org/0000000308598855</orcidid><orcidid>https://orcid.org/0000000203950285</orcidid><orcidid>https://orcid.org/0000000282473770</orcidid><orcidid>https://orcid.org/0000000283575859</orcidid><orcidid>https://orcid.org/0000000339594371</orcidid><orcidid>https://orcid.org/0000000312388121</orcidid><orcidid>https://orcid.org/0000000196292252</orcidid><orcidid>https://orcid.org/0000000342123247</orcidid><orcidid>https://orcid.org/0000000342585273</orcidid><orcidid>https://orcid.org/0000000333342077</orcidid><orcidid>https://orcid.org/0000000180967518</orcidid><orcidid>https://orcid.org/0000000203685514</orcidid><orcidid>https://orcid.org/0000000293267585</orcidid><orcidid>https://orcid.org/0000000269751537</orcidid><orcidid>https://orcid.org/0000000323795814</orcidid><orcidid>https://orcid.org/0000000268459155</orcidid><orcidid>https://orcid.org/0000000263487827</orcidid><orcidid>https://orcid.org/000000018181058X</orcidid><orcidid>https://orcid.org/0000000324198667</orcidid><orcidid>https://orcid.org/000000029192465X</orcidid><orcidid>https://orcid.org/0000000155218718</orcidid><orcidid>https://orcid.org/0000000163906908</orcidid><orcidid>https://orcid.org/0000000326283873</orcidid><orcidid>https://orcid.org/0000000198499417</orcidid><orcidid>https://orcid.org/0000000225141163</orcidid><orcidid>https://orcid.org/000000020706060X</orcidid><orcidid>https://orcid.org/0000000312923286</orcidid><orcidid>https://orcid.org/0000000335886801</orcidid></search><sort><creationdate>20220330</creationdate><title>NSTX-U theory, modeling and analysis results</title><author>Guttenfelder, Walter ; Battaglia, D J ; Belova, Elena ; Bertelli, Nicola ; Boyer, Mark D ; Chang, Choong Seock ; Diallo, Ahmed ; Duarte, Vinicius N ; Ebrahimi, Fatima ; Emdee, Eric ; Ferraro, N ; Fredrickson, Eric ; Gorelenkov, Nikolai N ; Heidbrink, William W ; Ilhan, Zeki ; Kaye, Stanley M ; Kim, Eun-Hwa ; Kleiner, Andreas ; Laggner, Florian M. ; Lampert, Mate ; Lestz, Jeff ; Liu, Chang ; Liu, Deyong ; Looby, Tom ; Mandell, Noah ; Maingi, Rajesh ; Myra, James R ; Munaretto, Stefano ; Podesta, Mario ; Rafiq, Tariq ; Raman, Roger ; Reinke, Matthew ; Ren, Yang ; Ruiz Ruiz, Juan ; Scotti, Filippo ; Shiraiwa, Syun'ichi ; Soukhanovskii, Vlad ; Vail, Patrick ; Wang, Zhirui ; Wehner, Will P ; White, Anne E ; White, Roscoe B ; Woods, Benjamin J Q ; Yang, James ; Zweben, Stewart ; Banerjee, Santanu ; Barchfeld, Robert ; Bell, Ronald E ; Berkery, John ; Bhattacharjee, Amitawa ; Bierwage, Andreas ; Canal, Gustavo Paganini ; Chen, Xiang ; Clauser, Cesar Fernando ; Crocker, Neal A ; Domier, C W ; Evans, Todd E ; Francisquez, Manaure ; Gan, Kaifu ; Gerhardt, Stefan P ; Goldston, Robert James ; Gray, Travis K ; Hakim, Ammar ; Hammett, Gregory W ; Jardin, Stephen C ; Kaita, Robert ; Koel, Bruce E ; Kolemen, Egemen ; Ku, Seung-Hoe ; Kubota, Shigeyuki ; LeBlanc, Benoit P ; Levinton, Fred ; Lore, Jeremy D ; Luhmann, Neville C ; Lunsford, R. ; Maqueda, Ricardo ; Menard, Jonathan E ; Nichols, Jacob H ; Ono, Masayuki ; Park, Jong-Kyu ; Poli, Francesca M ; Rhodes, Terry L ; Riquezes, Juan ; Russell, Dave A ; Sabbagh, Steve A ; Schuster, Eugenio ; Smith, David ; Stotler, Daren P ; Stratton, Brentley ; Tritz, Kevin ; Wang, Weixing ; Wirth, Brian D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1546-db3ce052a40c38d9a67965395351557483c95b5b01a3d2252abf3b129c3ae6813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>NSTX</topic><topic>NSTX-U</topic><topic>overview</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guttenfelder, Walter</creatorcontrib><creatorcontrib>Battaglia, D J</creatorcontrib><creatorcontrib>Belova, Elena</creatorcontrib><creatorcontrib>Bertelli, Nicola</creatorcontrib><creatorcontrib>Boyer, Mark D</creatorcontrib><creatorcontrib>Chang, Choong Seock</creatorcontrib><creatorcontrib>Diallo, Ahmed</creatorcontrib><creatorcontrib>Duarte, Vinicius N</creatorcontrib><creatorcontrib>Ebrahimi, Fatima</creatorcontrib><creatorcontrib>Emdee, Eric</creatorcontrib><creatorcontrib>Ferraro, N</creatorcontrib><creatorcontrib>Fredrickson, Eric</creatorcontrib><creatorcontrib>Gorelenkov, Nikolai N</creatorcontrib><creatorcontrib>Heidbrink, William W</creatorcontrib><creatorcontrib>Ilhan, Zeki</creatorcontrib><creatorcontrib>Kaye, Stanley M</creatorcontrib><creatorcontrib>Kim, Eun-Hwa</creatorcontrib><creatorcontrib>Kleiner, Andreas</creatorcontrib><creatorcontrib>Laggner, Florian M.</creatorcontrib><creatorcontrib>Lampert, Mate</creatorcontrib><creatorcontrib>Lestz, Jeff</creatorcontrib><creatorcontrib>Liu, Chang</creatorcontrib><creatorcontrib>Liu, Deyong</creatorcontrib><creatorcontrib>Looby, Tom</creatorcontrib><creatorcontrib>Mandell, Noah</creatorcontrib><creatorcontrib>Maingi, Rajesh</creatorcontrib><creatorcontrib>Myra, James R</creatorcontrib><creatorcontrib>Munaretto, Stefano</creatorcontrib><creatorcontrib>Podesta, Mario</creatorcontrib><creatorcontrib>Rafiq, Tariq</creatorcontrib><creatorcontrib>Raman, Roger</creatorcontrib><creatorcontrib>Reinke, Matthew</creatorcontrib><creatorcontrib>Ren, Yang</creatorcontrib><creatorcontrib>Ruiz Ruiz, Juan</creatorcontrib><creatorcontrib>Scotti, Filippo</creatorcontrib><creatorcontrib>Shiraiwa, Syun'ichi</creatorcontrib><creatorcontrib>Soukhanovskii, Vlad</creatorcontrib><creatorcontrib>Vail, Patrick</creatorcontrib><creatorcontrib>Wang, Zhirui</creatorcontrib><creatorcontrib>Wehner, Will P</creatorcontrib><creatorcontrib>White, Anne E</creatorcontrib><creatorcontrib>White, Roscoe B</creatorcontrib><creatorcontrib>Woods, Benjamin J Q</creatorcontrib><creatorcontrib>Yang, James</creatorcontrib><creatorcontrib>Zweben, Stewart</creatorcontrib><creatorcontrib>Banerjee, Santanu</creatorcontrib><creatorcontrib>Barchfeld, Robert</creatorcontrib><creatorcontrib>Bell, Ronald E</creatorcontrib><creatorcontrib>Berkery, John</creatorcontrib><creatorcontrib>Bhattacharjee, Amitawa</creatorcontrib><creatorcontrib>Bierwage, Andreas</creatorcontrib><creatorcontrib>Canal, Gustavo Paganini</creatorcontrib><creatorcontrib>Chen, Xiang</creatorcontrib><creatorcontrib>Clauser, Cesar Fernando</creatorcontrib><creatorcontrib>Crocker, Neal A</creatorcontrib><creatorcontrib>Domier, C W</creatorcontrib><creatorcontrib>Evans, Todd E</creatorcontrib><creatorcontrib>Francisquez, Manaure</creatorcontrib><creatorcontrib>Gan, Kaifu</creatorcontrib><creatorcontrib>Gerhardt, Stefan P</creatorcontrib><creatorcontrib>Goldston, Robert James</creatorcontrib><creatorcontrib>Gray, Travis K</creatorcontrib><creatorcontrib>Hakim, Ammar</creatorcontrib><creatorcontrib>Hammett, Gregory W</creatorcontrib><creatorcontrib>Jardin, Stephen C</creatorcontrib><creatorcontrib>Kaita, Robert</creatorcontrib><creatorcontrib>Koel, Bruce E</creatorcontrib><creatorcontrib>Kolemen, Egemen</creatorcontrib><creatorcontrib>Ku, Seung-Hoe</creatorcontrib><creatorcontrib>Kubota, Shigeyuki</creatorcontrib><creatorcontrib>LeBlanc, Benoit P</creatorcontrib><creatorcontrib>Levinton, Fred</creatorcontrib><creatorcontrib>Lore, Jeremy D</creatorcontrib><creatorcontrib>Luhmann, Neville C</creatorcontrib><creatorcontrib>Lunsford, R.</creatorcontrib><creatorcontrib>Maqueda, Ricardo</creatorcontrib><creatorcontrib>Menard, Jonathan E</creatorcontrib><creatorcontrib>Nichols, Jacob H</creatorcontrib><creatorcontrib>Ono, Masayuki</creatorcontrib><creatorcontrib>Park, Jong-Kyu</creatorcontrib><creatorcontrib>Poli, Francesca M</creatorcontrib><creatorcontrib>Rhodes, Terry L</creatorcontrib><creatorcontrib>Riquezes, Juan</creatorcontrib><creatorcontrib>Russell, Dave A</creatorcontrib><creatorcontrib>Sabbagh, Steve A</creatorcontrib><creatorcontrib>Schuster, Eugenio</creatorcontrib><creatorcontrib>Smith, David</creatorcontrib><creatorcontrib>Stotler, Daren P</creatorcontrib><creatorcontrib>Stratton, Brentley</creatorcontrib><creatorcontrib>Tritz, Kevin</creatorcontrib><creatorcontrib>Wang, Weixing</creatorcontrib><creatorcontrib>Wirth, Brian D</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)</creatorcontrib><creatorcontrib>Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Nuclear fusion</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guttenfelder, Walter</au><au>Battaglia, D J</au><au>Belova, Elena</au><au>Bertelli, Nicola</au><au>Boyer, Mark D</au><au>Chang, Choong Seock</au><au>Diallo, Ahmed</au><au>Duarte, Vinicius N</au><au>Ebrahimi, Fatima</au><au>Emdee, Eric</au><au>Ferraro, N</au><au>Fredrickson, Eric</au><au>Gorelenkov, Nikolai N</au><au>Heidbrink, William W</au><au>Ilhan, Zeki</au><au>Kaye, Stanley M</au><au>Kim, Eun-Hwa</au><au>Kleiner, Andreas</au><au>Laggner, Florian M.</au><au>Lampert, Mate</au><au>Lestz, Jeff</au><au>Liu, Chang</au><au>Liu, Deyong</au><au>Looby, Tom</au><au>Mandell, Noah</au><au>Maingi, Rajesh</au><au>Myra, James R</au><au>Munaretto, Stefano</au><au>Podesta, Mario</au><au>Rafiq, Tariq</au><au>Raman, Roger</au><au>Reinke, Matthew</au><au>Ren, Yang</au><au>Ruiz Ruiz, Juan</au><au>Scotti, Filippo</au><au>Shiraiwa, Syun'ichi</au><au>Soukhanovskii, Vlad</au><au>Vail, Patrick</au><au>Wang, Zhirui</au><au>Wehner, Will P</au><au>White, Anne E</au><au>White, Roscoe B</au><au>Woods, Benjamin J Q</au><au>Yang, James</au><au>Zweben, Stewart</au><au>Banerjee, Santanu</au><au>Barchfeld, Robert</au><au>Bell, Ronald E</au><au>Berkery, John</au><au>Bhattacharjee, Amitawa</au><au>Bierwage, Andreas</au><au>Canal, Gustavo Paganini</au><au>Chen, Xiang</au><au>Clauser, Cesar Fernando</au><au>Crocker, Neal A</au><au>Domier, C W</au><au>Evans, Todd E</au><au>Francisquez, Manaure</au><au>Gan, Kaifu</au><au>Gerhardt, Stefan P</au><au>Goldston, Robert James</au><au>Gray, Travis K</au><au>Hakim, Ammar</au><au>Hammett, Gregory W</au><au>Jardin, Stephen C</au><au>Kaita, Robert</au><au>Koel, Bruce E</au><au>Kolemen, Egemen</au><au>Ku, Seung-Hoe</au><au>Kubota, Shigeyuki</au><au>LeBlanc, Benoit P</au><au>Levinton, Fred</au><au>Lore, Jeremy D</au><au>Luhmann, Neville C</au><au>Lunsford, R.</au><au>Maqueda, Ricardo</au><au>Menard, Jonathan E</au><au>Nichols, Jacob H</au><au>Ono, Masayuki</au><au>Park, Jong-Kyu</au><au>Poli, Francesca M</au><au>Rhodes, Terry L</au><au>Riquezes, Juan</au><au>Russell, Dave A</au><au>Sabbagh, Steve A</au><au>Schuster, Eugenio</au><au>Smith, David</au><au>Stotler, Daren P</au><au>Stratton, Brentley</au><au>Tritz, Kevin</au><au>Wang, Weixing</au><au>Wirth, Brian D</au><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><aucorp>Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)</aucorp><aucorp>Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>NSTX-U theory, modeling and analysis results</atitle><jtitle>Nuclear fusion</jtitle><date>2022-03-30</date><risdate>2022</risdate><volume>62</volume><issue>4</issue><issn>0029-5515</issn><eissn>1741-4326</eissn><abstract>The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics basis and technical solutions required for optimizing the configuration of next-step steady-state tokamak fusion devices. NSTX-U will ultimately operate at up to 2 MA of plasma current and 1 T toroidal field on axis for 5 seconds, and has available up to 15 MW of Neutral Beam Injection (NBI) power at different tangency radii and 6 MW of High Harmonic Fast Wave (HHFW) heating. With these capabilities NSTX-U will develop the physics understanding and control tools to ramp-up and sustain high performance fully non-inductive plasmas with large bootstrap fraction and enhanced confinement enabled via the low aspect ratio, high beta configuration. With its unique capabilities, NSTX-U research also supports ITER and other critical fusion development needs. Super-Alfvénic ions in beam-heated NSTX-U plasmas access energetic particle parameter space that is relevant for both -heated conventional and low aspect ratio burning plasmas. NSTX-U can also generate very large target heat fluxes to test conventional and innovative plasma exhaust and plasma facing component (PFC) solutions. This paper summarizes recent analysis, theory and modelling progress to advance the tokamak physics basis in the areas of macrostability and 3D fields, energetic particle stability and fast ion transport, thermal transport and pedestal structure, boundary and plasma material interaction, RF heating, scenario optimization and real-time control.</abstract><cop>United States</cop><pub>IOP Science</pub><doi>10.1088/1741-4326/ac5366</doi><orcidid>https://orcid.org/0000-0003-4212-3247</orcidid><orcidid>https://orcid.org/0000-0001-6390-6908</orcidid><orcidid>https://orcid.org/0000-0002-0368-5514</orcidid><orcidid>https://orcid.org/0000-0003-2379-5814</orcidid><orcidid>https://orcid.org/0000-0002-9326-7585</orcidid><orcidid>https://orcid.org/0000-0003-1238-8121</orcidid><orcidid>https://orcid.org/0000-0002-6942-8043</orcidid><orcidid>https://orcid.org/0000-0003-3334-2077</orcidid><orcidid>https://orcid.org/0000-0002-0395-0285</orcidid><orcidid>https://orcid.org/0000-0002-6348-7827</orcidid><orcidid>https://orcid.org/0000-0003-1292-3286</orcidid><orcidid>https://orcid.org/0000-0001-8897-9740</orcidid><orcidid>https://orcid.org/0000-0001-9849-9417</orcidid><orcidid>https://orcid.org/0000-0001-8422-8464</orcidid><orcidid>https://orcid.org/0000-0001-8096-7518</orcidid><orcidid>https://orcid.org/0000-0002-2514-1163</orcidid><orcidid>https://orcid.org/0000-0003-3959-4371</orcidid><orcidid>https://orcid.org/0000-0003-4258-5273</orcidid><orcidid>https://orcid.org/0000-0001-8181-058X</orcidid><orcidid>https://orcid.org/0000-0002-6975-1537</orcidid><orcidid>https://orcid.org/0000-0001-9174-7078</orcidid><orcidid>https://orcid.org/0000-0002-2164-1582</orcidid><orcidid>https://orcid.org/0000-0002-9192-465X</orcidid><orcidid>https://orcid.org/0000-0002-2597-5061</orcidid><orcidid>https://orcid.org/0000-0003-2419-8667</orcidid><orcidid>https://orcid.org/0000-0002-8357-5859</orcidid><orcidid>https://orcid.org/0000-0001-5939-8429</orcidid><orcidid>https://orcid.org/0000-0003-4975-0585</orcidid><orcidid>https://orcid.org/0000-0003-2628-3873</orcidid><orcidid>https://orcid.org/0000-0003-1243-0502</orcidid><orcidid>https://orcid.org/0000-0001-9629-2252</orcidid><orcidid>https://orcid.org/0000-0002-7496-959X</orcidid><orcidid>https://orcid.org/0000-0002-6845-9155</orcidid><orcidid>https://orcid.org/0000-0002-0706-060X</orcidid><orcidid>https://orcid.org/0000-0002-8247-3770</orcidid><orcidid>https://orcid.org/0000-0002-5800-8027</orcidid><orcidid>https://orcid.org/0000-0001-5521-8718</orcidid><orcidid>https://orcid.org/0000-0003-3588-6801</orcidid><orcidid>https://orcid.org/0000-0001-9544-498X</orcidid><orcidid>https://orcid.org/0000-0003-0859-8855</orcidid><orcidid>https://orcid.org/0000-0003-1465-0971</orcidid><orcidid>https://orcid.org/0000-0002-6747-955X</orcidid><orcidid>https://orcid.org/0000000312430502</orcidid><orcidid>https://orcid.org/0000000159398429</orcidid><orcidid>https://orcid.org/0000000221641582</orcidid><orcidid>https://orcid.org/0000000225975061</orcidid><orcidid>https://orcid.org/0000000349750585</orcidid><orcidid>https://orcid.org/000000019544498X</orcidid><orcidid>https://orcid.org/0000000258008027</orcidid><orcidid>https://orcid.org/0000000191747078</orcidid><orcidid>https://orcid.org/000000026747955X</orcidid><orcidid>https://orcid.org/0000000269428043</orcidid><orcidid>https://orcid.org/0000000184228464</orcidid><orcidid>https://orcid.org/0000000188979740</orcidid><orcidid>https://orcid.org/0000000314650971</orcidid><orcidid>https://orcid.org/000000027496959X</orcidid><orcidid>https://orcid.org/0000000308598855</orcidid><orcidid>https://orcid.org/0000000203950285</orcidid><orcidid>https://orcid.org/0000000282473770</orcidid><orcidid>https://orcid.org/0000000283575859</orcidid><orcidid>https://orcid.org/0000000339594371</orcidid><orcidid>https://orcid.org/0000000312388121</orcidid><orcidid>https://orcid.org/0000000196292252</orcidid><orcidid>https://orcid.org/0000000342123247</orcidid><orcidid>https://orcid.org/0000000342585273</orcidid><orcidid>https://orcid.org/0000000333342077</orcidid><orcidid>https://orcid.org/0000000180967518</orcidid><orcidid>https://orcid.org/0000000203685514</orcidid><orcidid>https://orcid.org/0000000293267585</orcidid><orcidid>https://orcid.org/0000000269751537</orcidid><orcidid>https://orcid.org/0000000323795814</orcidid><orcidid>https://orcid.org/0000000268459155</orcidid><orcidid>https://orcid.org/0000000263487827</orcidid><orcidid>https://orcid.org/000000018181058X</orcidid><orcidid>https://orcid.org/0000000324198667</orcidid><orcidid>https://orcid.org/000000029192465X</orcidid><orcidid>https://orcid.org/0000000155218718</orcidid><orcidid>https://orcid.org/0000000163906908</orcidid><orcidid>https://orcid.org/0000000326283873</orcidid><orcidid>https://orcid.org/0000000198499417</orcidid><orcidid>https://orcid.org/0000000225141163</orcidid><orcidid>https://orcid.org/000000020706060X</orcidid><orcidid>https://orcid.org/0000000312923286</orcidid><orcidid>https://orcid.org/0000000335886801</orcidid><oa>free_for_read</oa></addata></record>
fulltext fulltext
identifier ISSN: 0029-5515
ispartof Nuclear fusion, 2022-03, Vol.62 (4)
issn 0029-5515
1741-4326
language eng
recordid cdi_osti_scitechconnect_1856197
source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
NSTX
NSTX-U
overview
title NSTX-U theory, modeling and analysis results
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-02T01%3A01%3A41IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-crossref_osti_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=NSTX-U%20theory,%20modeling%20and%20analysis%20results&rft.jtitle=Nuclear%20fusion&rft.au=Guttenfelder,%20Walter&rft.aucorp=Oak%20Ridge%20National%20Lab.%20(ORNL),%20Oak%20Ridge,%20TN%20(United%20States)&rft.date=2022-03-30&rft.volume=62&rft.issue=4&rft.issn=0029-5515&rft.eissn=1741-4326&rft_id=info:doi/10.1088/1741-4326/ac5366&rft_dat=%3Ccrossref_osti_%3E10_1088_1741_4326_ac5366%3C/crossref_osti_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true