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Achievement of High Fusion Performance in JT-60U Reversed Shear Discharges

Journal Article · · Physical Review Letters
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  1. Japan Atomic Energy Research Institute, Naka Fus (Japan)
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Fusion performance of reversed shear discharges with an {ital L}-mode edge has been significantly improved in a thermonuclear dominant regime with up to 2.8 MA of plasma current in the JT-60U tokamak. The core plasma energy is efficiently confined due to the existence of persistent internal transport barriers formed for both ions and electrons at a large minor radius of r/a{approximately}0.7 near the boundary of the reversed shear region. In an assumed deuterium-tritium fuel, the peak fusion amplification factor defined for transient conditions involving the dW/dt term would be in excess of unity. {copyright} {ital 1997} {ital The American Physical Society}

OSTI ID:
587127
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 20 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BOOTSTRAP CURRENT
DEUTERIUM
EDGE LOCALIZED MODES
ELECTRIC DISCHARGES
ELECTRON BEAM FUSION REACTORS
H-MODE PLASMA CONFINEMENT
ION BEAM FUSION REACTORS
JT-60U TOKAMAK
PLASMA
SHEAR
TFTR TOKAMAK
THERMONUCLEAR REACTIONS
TRITIUM