Achievement of reactor-relevant β in low-q divertor discharges in the doublet III-D Tokamak
A volume average toroidal ..beta.. of 6.2% has been obtained with 10 MW of hydrogen neutral beam injection into deuterium divertor discharges in DIII-D. High-..beta.. discharges were maintained quiescently for many energy confinement times in elongated, kappa = 2, divertor discharges where the safet...
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| Veröffentlicht in: | Phys. Rev. Lett.; (United States) 1989-03, Vol.62 (11), p.1278-1281 |
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| creator | TAYLOR, T. S STRAIT, E. J GROEBNER, R HSIEH, C JACKSON, G KINOSHITA, S LOMAS, P SNIDER, R JOHN, H. S STAMBAUGH, R. D STOCKDALE, R. E TURNBULL, A. D LAO, L KELLMAN, A. G OSBORNE, T. H BURRELL, K CHU, M. S DE BOO, J. C FUKUMOTO, H GOHIL, P |
| description | A volume average toroidal ..beta.. of 6.2% has been obtained with 10 MW of hydrogen neutral beam injection into deuterium divertor discharges in DIII-D. High-..beta.. discharges were maintained quiescently for many energy confinement times in elongated, kappa = 2, divertor discharges where the safety factor at the 95% flux surface was near 2. The maximum ..beta.. calculated to be stable against ideal kinks and ideal ballooning modes is 8.5%--9.5%, confirming that these I/aBapprox. =2.5 MA/m T discharges are some distance below the stability limit. |
| doi_str_mv | 10.1103/PhysRevLett.62.1278 |
| format | Article |
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S ; STRAIT, E. J ; GROEBNER, R ; HSIEH, C ; JACKSON, G ; KINOSHITA, S ; LOMAS, P ; SNIDER, R ; JOHN, H. S ; STAMBAUGH, R. D ; STOCKDALE, R. E ; TURNBULL, A. D ; LAO, L ; KELLMAN, A. G ; OSBORNE, T. H ; BURRELL, K ; CHU, M. S ; DE BOO, J. C ; FUKUMOTO, H ; GOHIL, P</creator><creatorcontrib>TAYLOR, T. S ; STRAIT, E. J ; GROEBNER, R ; HSIEH, C ; JACKSON, G ; KINOSHITA, S ; LOMAS, P ; SNIDER, R ; JOHN, H. S ; STAMBAUGH, R. D ; STOCKDALE, R. E ; TURNBULL, A. D ; LAO, L ; KELLMAN, A. G ; OSBORNE, T. H ; BURRELL, K ; CHU, M. S ; DE BOO, J. C ; FUKUMOTO, H ; GOHIL, P ; General Atomics, San Diego, California 92138</creatorcontrib><description>A volume average toroidal ..beta.. of 6.2% has been obtained with 10 MW of hydrogen neutral beam injection into deuterium divertor discharges in DIII-D. High-..beta.. discharges were maintained quiescently for many energy confinement times in elongated, kappa = 2, divertor discharges where the safety factor at the 95% flux surface was near 2. The maximum ..beta.. calculated to be stable against ideal kinks and ideal ballooning modes is 8.5%--9.5%, confirming that these I/aBapprox. =2.5 MA/m T discharges are some distance below the stability limit.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.62.1278</identifier><identifier>PMID: 10039629</identifier><identifier>CODEN: PRLTAO</identifier><language>eng</language><publisher>Ridge, NY: American Physical Society</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production ; BALLOONING INSTABILITY ; BEAM INJECTION ; BETA RATIO ; CLOSED PLASMA DEVICES ; DEUTERIUM ; DIVERTORS ; ELEMENTS ; Exact sciences and technology ; HEATING ; HIGH-BETA PLASMA ; HYDROGEN ; HYDROGEN ISOTOPES ; INSTABILITY ; ISOTOPES ; KINK INSTABILITY ; LIGHT NUCLEI ; Magnetic confinement and equilibrium ; NEUTRAL ATOM BEAM INJECTION ; NONMETALS ; NUCLEI ; ODD-ODD NUCLEI ; Physics ; Physics of gases, plasmas and electric discharges ; Physics of plasmas and electric discharges ; PLASMA ; PLASMA HEATING ; PLASMA INSTABILITY ; PLASMA MACROINSTABILITIES ; STABLE ISOTOPES ; THERMONUCLEAR DEVICES ; TOKAMAK DEVICES</subject><ispartof>Phys. 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C</creatorcontrib><creatorcontrib>FUKUMOTO, H</creatorcontrib><creatorcontrib>GOHIL, P</creatorcontrib><creatorcontrib>General Atomics, San Diego, California 92138</creatorcontrib><title>Achievement of reactor-relevant β in low-q divertor discharges in the doublet III-D Tokamak</title><title>Phys. Rev. Lett.; (United States)</title><addtitle>Phys Rev Lett</addtitle><description>A volume average toroidal ..beta.. of 6.2% has been obtained with 10 MW of hydrogen neutral beam injection into deuterium divertor discharges in DIII-D. High-..beta.. discharges were maintained quiescently for many energy confinement times in elongated, kappa = 2, divertor discharges where the safety factor at the 95% flux surface was near 2. The maximum ..beta.. calculated to be stable against ideal kinks and ideal ballooning modes is 8.5%--9.5%, confirming that these I/aBapprox. =2.5 MA/m T discharges are some distance below the stability limit.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production</subject><subject>BALLOONING INSTABILITY</subject><subject>BEAM INJECTION</subject><subject>BETA RATIO</subject><subject>CLOSED PLASMA DEVICES</subject><subject>DEUTERIUM</subject><subject>DIVERTORS</subject><subject>ELEMENTS</subject><subject>Exact sciences and technology</subject><subject>HEATING</subject><subject>HIGH-BETA PLASMA</subject><subject>HYDROGEN</subject><subject>HYDROGEN ISOTOPES</subject><subject>INSTABILITY</subject><subject>ISOTOPES</subject><subject>KINK INSTABILITY</subject><subject>LIGHT NUCLEI</subject><subject>Magnetic confinement and equilibrium</subject><subject>NEUTRAL ATOM BEAM INJECTION</subject><subject>NONMETALS</subject><subject>NUCLEI</subject><subject>ODD-ODD NUCLEI</subject><subject>Physics</subject><subject>Physics of gases, plasmas and electric discharges</subject><subject>Physics of plasmas and electric discharges</subject><subject>PLASMA</subject><subject>PLASMA HEATING</subject><subject>PLASMA INSTABILITY</subject><subject>PLASMA MACROINSTABILITIES</subject><subject>STABLE ISOTOPES</subject><subject>THERMONUCLEAR DEVICES</subject><subject>TOKAMAK DEVICES</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNpNkN1q3DAQhUVpaTZpn6AQTCGQG281km1Zl0vSn4WFlpLeFYQ8HtdObCsrabfktfogfaZq2YXmaoY538xwDmPvgC8BuPzwrX8K32m_oRiXlViCUPULtgCudK4AipdswbmEXHOuzth5CPeccxBV_ZqdQVJ0JfSC_VxhP9CeJppj5rrMk8XofO5ppL1Ns79_smHORvc732btsCef1NQE7K3_ReEgxp6y1u2akWK2Xq_z2-zOPdjJPrxhrzo7Bnp7qhfsx6ePdzdf8s3Xz-ub1SZHoUXMsSDFqWxIW7RKYaNLJQskahBFU7dt2xGohiQXAJQmjRRdYZPhUlBpW3nB3h_vuhAHE3CIhD26eSaMppIaZCkTdH2EHr3b7ihEMyUXNI52JrcLBupSp4s1rxIqjyh6F4Knzjz6YbL-yQA3h-zNs-xNJcwh-7R1eXqwayZqn-0cw07A1QmwAe3YeTvjEP5zupAgCin_AQPDkMw</recordid><startdate>19890313</startdate><enddate>19890313</enddate><creator>TAYLOR, T. 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J ; GROEBNER, R ; HSIEH, C ; JACKSON, G ; KINOSHITA, S ; LOMAS, P ; SNIDER, R ; JOHN, H. S ; STAMBAUGH, R. D ; STOCKDALE, R. E ; TURNBULL, A. D ; LAO, L ; KELLMAN, A. G ; OSBORNE, T. H ; BURRELL, K ; CHU, M. S ; DE BOO, J. 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S</creatorcontrib><creatorcontrib>STRAIT, E. J</creatorcontrib><creatorcontrib>GROEBNER, R</creatorcontrib><creatorcontrib>HSIEH, C</creatorcontrib><creatorcontrib>JACKSON, G</creatorcontrib><creatorcontrib>KINOSHITA, S</creatorcontrib><creatorcontrib>LOMAS, P</creatorcontrib><creatorcontrib>SNIDER, R</creatorcontrib><creatorcontrib>JOHN, H. S</creatorcontrib><creatorcontrib>STAMBAUGH, R. D</creatorcontrib><creatorcontrib>STOCKDALE, R. E</creatorcontrib><creatorcontrib>TURNBULL, A. D</creatorcontrib><creatorcontrib>LAO, L</creatorcontrib><creatorcontrib>KELLMAN, A. G</creatorcontrib><creatorcontrib>OSBORNE, T. H</creatorcontrib><creatorcontrib>BURRELL, K</creatorcontrib><creatorcontrib>CHU, M. S</creatorcontrib><creatorcontrib>DE BOO, J. C</creatorcontrib><creatorcontrib>FUKUMOTO, H</creatorcontrib><creatorcontrib>GOHIL, P</creatorcontrib><creatorcontrib>General Atomics, San Diego, California 92138</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Phys. Rev. Lett.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>TAYLOR, T. S</au><au>STRAIT, E. J</au><au>GROEBNER, R</au><au>HSIEH, C</au><au>JACKSON, G</au><au>KINOSHITA, S</au><au>LOMAS, P</au><au>SNIDER, R</au><au>JOHN, H. S</au><au>STAMBAUGH, R. D</au><au>STOCKDALE, R. E</au><au>TURNBULL, A. D</au><au>LAO, L</au><au>KELLMAN, A. G</au><au>OSBORNE, T. H</au><au>BURRELL, K</au><au>CHU, M. S</au><au>DE BOO, J. C</au><au>FUKUMOTO, H</au><au>GOHIL, P</au><aucorp>General Atomics, San Diego, California 92138</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Achievement of reactor-relevant β in low-q divertor discharges in the doublet III-D Tokamak</atitle><jtitle>Phys. Rev. Lett.; (United States)</jtitle><addtitle>Phys Rev Lett</addtitle><date>1989-03-13</date><risdate>1989</risdate><volume>62</volume><issue>11</issue><spage>1278</spage><epage>1281</epage><pages>1278-1281</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>A volume average toroidal ..beta.. of 6.2% has been obtained with 10 MW of hydrogen neutral beam injection into deuterium divertor discharges in DIII-D. High-..beta.. discharges were maintained quiescently for many energy confinement times in elongated, kappa = 2, divertor discharges where the safety factor at the 95% flux surface was near 2. The maximum ..beta.. calculated to be stable against ideal kinks and ideal ballooning modes is 8.5%--9.5%, confirming that these I/aBapprox. =2.5 MA/m T discharges are some distance below the stability limit.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>10039629</pmid><doi>10.1103/PhysRevLett.62.1278</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Phys. Rev. Lett.; (United States), 1989-03, Vol.62 (11), p.1278-1281 |
| issn | 0031-9007 1079-7114 |
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| source | American Physical Society Journals |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production BALLOONING INSTABILITY BEAM INJECTION BETA RATIO CLOSED PLASMA DEVICES DEUTERIUM DIVERTORS ELEMENTS Exact sciences and technology HEATING HIGH-BETA PLASMA HYDROGEN HYDROGEN ISOTOPES INSTABILITY ISOTOPES KINK INSTABILITY LIGHT NUCLEI Magnetic confinement and equilibrium NEUTRAL ATOM BEAM INJECTION NONMETALS NUCLEI ODD-ODD NUCLEI Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA PLASMA HEATING PLASMA INSTABILITY PLASMA MACROINSTABILITIES STABLE ISOTOPES THERMONUCLEAR DEVICES TOKAMAK DEVICES |
| title | Achievement of reactor-relevant β in low-q divertor discharges in the doublet III-D Tokamak |
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