REVIEW OF THE NATIONAL SPHERICAL TORUS EXPERIMENT RESEARCH RESULTS

The National Spherical Torus Experiment (NSTX) produces plasmas, with toroidal aspect ratio as low as 1.25 and plasma currents up to 1.5 MA, which can be heated by up to 6 MW High-Harmonic Fast Waves and up to 7 MW of deuterium Neutral Beam Injection. With these capabilities, NSTX has already made c...

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Hauptverfasser:	Mueller, D, Menard, J E, Bell, M G, Bell, R E, Bialek, J M, Boedo, J A, Bush, C E, Crocker, N A, Diem, S, Domier, C W, D'Ippolito, D A, Ferron, J R, Fredrickson, E D, Gates, D A, Hill, K W, Hosea, J C, Kaye, S M, Kessel, C E, Kubota, S, Kugel, H W, Leblanc, B P, Lee, K C, Levinton, F M, Luhmann Jr, N C, Maingi, R, Mansfield, D K, Majeski, R P, Maqueda, R J, Mazzucato, E, Medley, S S, Myra, J R, Park, H K, Paul, S F, Peebles, W A, Raman, R, Sabbagh, S A, Skinner, C H, Smith, D R, Sontag, A C, Soukhanovskii, V A, Stratton, B C, Stutman, D, Taylor, G, Tritz, K, Wilson, J R, Yuh, H, Zhu, W, Zweben, S J
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY ASPECT RATIO Barriers BEAM INJECTION BEAM INJECTION HEATING CHARGED-PARTICLE TRANSPORT CLOSED PLASMA DEVICES CONFIGURATION CONFINEMENT CURRENTS DEUTERIUM DIMENSIONLESS NUMBERS ELECTRIC CURRENTS Electron energy ELECTRONS ELEMENTARY PARTICLES FERMIONS Fluid dynamics Fluid flow HEATING HYDROGEN ISOTOPES ISOTOPES ITER TOKAMAK LEPTONS LIGHT NUCLEI Neutral beams NSTX DEVICE NUCLEI ODD-ODD NUCLEI PLASMA PLASMA BEAM INJECTION PLASMA CONFINEMENT Plasma currents PLASMA HEATING Plasmas RADIATION TRANSPORT Reactors SHEAR SPHERICAL CONFIGURATION SPHEROMAK DEVICES STABLE ISOTOPES THERMONUCLEAR DEVICES THERMONUCLEAR REACTORS TOKAMAK DEVICES TOKAMAK TYPE REACTORS Transport TURBULENCE Turbulent flow
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Beschreibung
Zusammenfassung:	The National Spherical Torus Experiment (NSTX) produces plasmas, with toroidal aspect ratio as low as 1.25 and plasma currents up to 1.5 MA, which can be heated by up to 6 MW High-Harmonic Fast Waves and up to 7 MW of deuterium Neutral Beam Injection. With these capabilities, NSTX has already made considerable progress in advancing the scientific understanding of high performance plasmas needed for low-aspect-ratio reactor concepts and for ITER. In transport and turbulence research on NSTX, the role of magnetic shear is being elucidated in discharges in which electron energy transport barriers are observed. Scaling studies indicate a weaker dependence on plasma current than at conventional aspect ratio and a significant dependence on toroidal field (Br).
ISSN:	0094-243X 1551-7616
DOI:	10.1063/1.3204564