SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION
Steady Inductive Helicity Injection (SIHI) is a novel method for driving current in toroidal magnetized plasmas. The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non...
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creator | Redd, A J Jarboe, T R Akcay, C Aboulhosn, R Z Hamp, W T Marklin, G J Nelson, B A O'Neill, R G Sieck, P E Smith, R J Stewart, B T Wrobel, J S |
description | Steady Inductive Helicity Injection (SIHI) is a novel method for driving current in toroidal magnetized plasmas. The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non-linear relaxation. HIT-SI has formed spheromaks with up to 29 kA of toroidal current, using less than 6 MW of injected power, a much lower power threshold for spheromak production than previously observed. Internal and external magnetic field measurements are well-matched by a theory-based Taylor-state equilibrium model, including the field oscillations driven by the injectors. |
doi_str_mv | 10.1063/1.3204608 |
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The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non-linear relaxation. HIT-SI has formed spheromaks with up to 29 kA of toroidal current, using less than 6 MW of injected power, a much lower power threshold for spheromak production than previously observed. 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The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non-linear relaxation. HIT-SI has formed spheromaks with up to 29 kA of toroidal current, using less than 6 MW of injected power, a much lower power threshold for spheromak production than previously observed. Internal and external magnetic field measurements are well-matched by a theory-based Taylor-state equilibrium model, including the field oscillations driven by the injectors.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>BEAM INJECTION HEATING</subject><subject>CLOSED PLASMA DEVICES</subject><subject>CONFINEMENT</subject><subject>Devices</subject><subject>Driving</subject><subject>HEATING</subject><subject>HELICITY</subject><subject>Injectors</subject><subject>Magnetic field measurement</subject><subject>Mathematical models</subject><subject>Nonlinearity</subject><subject>Oscillating</subject><subject>Oscillations</subject><subject>PARTICLE PROPERTIES</subject><subject>PLASMA</subject><subject>PLASMA CONFINEMENT</subject><subject>PLASMA HEATING</subject><subject>PLASMA PRODUCTION</subject><subject>Plasmas</subject><subject>SPHEROMAK DEVICES</subject><subject>Spheromaks</subject><subject>Steady state</subject><subject>Symmetry</subject><subject>THERMONUCLEAR DEVICES</subject><subject>Thresholds</subject><subject>TOKAMAK DEVICES</subject><issn>0094-243X</issn><issn>1551-7616</issn><isbn>9780735406919</isbn><isbn>073540691X</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNotzE1PwkAUheGJH4mILPwHTVy4Kt47dz467mopUgVqoBhZNWWYRgxSdcr_V4Krk7x5chi7RugjKLrDPnEQCqIT1kEpMdQK1SnrGR2BJilAGTRnrANgRMgFvV2wS-8_ALjROuqw-_nLKJ3lk_g5GOazSVxk-TR4WAbzIo0HyyCbDhZJkb2mwSgdZ0lWHNJTmhzYFTuvq613vf_tssUwLZJROM4fsyQehw1H2YbKykhYqvVaIzhr0aI0dm1XKyWd04IToAZAWtUgK2O5AOmwVuTWUaUpoi67Of42vt2U3m5aZ99ts9s525YcSQgy8Kduj-rrp_neO9-Wnxtv3XZb7Vyz96WWpDmhBPoF5sdSNg</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Redd, A J</creator><creator>Jarboe, T R</creator><creator>Akcay, C</creator><creator>Aboulhosn, R Z</creator><creator>Hamp, W T</creator><creator>Marklin, G J</creator><creator>Nelson, B A</creator><creator>O'Neill, R G</creator><creator>Sieck, P E</creator><creator>Smith, R J</creator><creator>Stewart, B T</creator><creator>Wrobel, J S</creator><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20090101</creationdate><title>SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION</title><author>Redd, A J ; Jarboe, T R ; Akcay, C ; Aboulhosn, R Z ; Hamp, W T ; Marklin, G J ; Nelson, B A ; O'Neill, R G ; Sieck, P E ; Smith, R J ; Stewart, B T ; Wrobel, J S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o215t-6c584c3f7d710ecc1c159cdcbb65ee74230170013bf05a9c2405e1f63ed8a7383</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>BEAM INJECTION HEATING</topic><topic>CLOSED PLASMA DEVICES</topic><topic>CONFINEMENT</topic><topic>Devices</topic><topic>Driving</topic><topic>HEATING</topic><topic>HELICITY</topic><topic>Injectors</topic><topic>Magnetic field measurement</topic><topic>Mathematical models</topic><topic>Nonlinearity</topic><topic>Oscillating</topic><topic>Oscillations</topic><topic>PARTICLE PROPERTIES</topic><topic>PLASMA</topic><topic>PLASMA CONFINEMENT</topic><topic>PLASMA HEATING</topic><topic>PLASMA PRODUCTION</topic><topic>Plasmas</topic><topic>SPHEROMAK DEVICES</topic><topic>Spheromaks</topic><topic>Steady state</topic><topic>Symmetry</topic><topic>THERMONUCLEAR DEVICES</topic><topic>Thresholds</topic><topic>TOKAMAK DEVICES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Redd, A J</creatorcontrib><creatorcontrib>Jarboe, T R</creatorcontrib><creatorcontrib>Akcay, C</creatorcontrib><creatorcontrib>Aboulhosn, R Z</creatorcontrib><creatorcontrib>Hamp, W T</creatorcontrib><creatorcontrib>Marklin, G J</creatorcontrib><creatorcontrib>Nelson, B A</creatorcontrib><creatorcontrib>O'Neill, R G</creatorcontrib><creatorcontrib>Sieck, P E</creatorcontrib><creatorcontrib>Smith, R J</creatorcontrib><creatorcontrib>Stewart, B T</creatorcontrib><creatorcontrib>Wrobel, J S</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Redd, A J</au><au>Jarboe, T R</au><au>Akcay, C</au><au>Aboulhosn, R Z</au><au>Hamp, W T</au><au>Marklin, G J</au><au>Nelson, B A</au><au>O'Neill, R G</au><au>Sieck, P E</au><au>Smith, R J</au><au>Stewart, B T</au><au>Wrobel, J S</au><au>Panarella, Emilio</au><au>Raman, Roger (eds)</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION</atitle><btitle>AIP conference proceedings</btitle><date>2009-01-01</date><risdate>2009</risdate><volume>1154</volume><issue>1</issue><spage>77</spage><epage>78</epage><pages>77-78</pages><issn>0094-243X</issn><eissn>1551-7616</eissn><isbn>9780735406919</isbn><isbn>073540691X</isbn><abstract>Steady Inductive Helicity Injection (SIHI) is a novel method for driving current in toroidal magnetized plasmas. The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non-linear relaxation. HIT-SI has formed spheromaks with up to 29 kA of toroidal current, using less than 6 MW of injected power, a much lower power threshold for spheromak production than previously observed. Internal and external magnetic field measurements are well-matched by a theory-based Taylor-state equilibrium model, including the field oscillations driven by the injectors.</abstract><cop>United States</cop><doi>10.1063/1.3204608</doi><tpages>2</tpages></addata></record> |
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ispartof | AIP conference proceedings, 2009, Vol.1154 (1), p.77-78 |
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source | AIP Journals Complete |
subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY BEAM INJECTION HEATING CLOSED PLASMA DEVICES CONFINEMENT Devices Driving HEATING HELICITY Injectors Magnetic field measurement Mathematical models Nonlinearity Oscillating Oscillations PARTICLE PROPERTIES PLASMA PLASMA CONFINEMENT PLASMA HEATING PLASMA PRODUCTION Plasmas SPHEROMAK DEVICES Spheromaks Steady state Symmetry THERMONUCLEAR DEVICES Thresholds TOKAMAK DEVICES |
title | SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION |
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