Global and local confinement analysis of JET's VH-mode pulses
K Thomsen; B Balet; D J Campbell; C D Challis; J G Cordey; N Deliyanakis; J J Ellis; C M Greenfield; N Hawkes; D G Muir; D P O'Brien; R Reichle; D Stork; P Stubberfield; P R Thomas; K Thomsen; JET Joint Undertaking, Abingdon, UK; B Balet; JET Joint Undertaking, Abingdon, UK; D J Campbell; JET Joint Undertaking, Abingdon, UK; C D Challis; JET Joint Undertaking, Abingdon, UK; J G Cordey; JET Joint Undertaking, Abingdon, UK; N Deliyanakis; JET Joint Undertaking, Abingdon, UK; J J Ellis; JET Joint Undertaking, Abingdon, UK; C M Greenfield; JET Joint Undertaking, Abingdon, UK; N Hawkes; JET Joint Undertaking, Abingdon, UK; D G Muir; JET Joint Undertaking, Abingdon, UK; D P O'Brien; JET Joint Undertaking, Abingdon, UK; R Reichle; JET Joint Undertaking, Abingdon, UK; D Stork; JET Joint Undertaking, Abingdon, UK; P Stubberfield; JET Joint Undertaking, Abingdon, UK; P R Thomas; JET Joint Undertaking, Abingdon, UK
Журнал:
Plasma Physics and Controlled Fusion
Дата:
1994-07-01
Аннотация:
Plasmas with the energy confinement time enhanced by a factor 1.4 to 2.1 over the ITER93H-P H-mode scaling expression have been obtained in 3 different H-mode regimes (excluding pellet injection) in JET. The phase of enhanced confinement has strong similarities with the VH-mode observed in DIII-D in all 3 cases. The JET data clearly show VH-mode confinement increasing with plasma current and degrading with loss power.
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