Artículo
Dynamics and stability of divertor detachment in H-mode plasmas on JET
Autor/es | Field, A.R.
Balboa, I. Drewelow, P. Flanagan, J. Guillemaut, C. Jet Contributors García Muñoz, Manuel |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2017-09 |
Fecha de depósito | 2020-08-31 |
Publicado en |
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Resumen | The dynamics and stability of divertor detachment in N2 seeded, type-I, ELMy H-mode plasmas
with dominant NBI heating in the JET ITER-like wall device is studied by means of an
integrated analysis of diagnostic data from ... The dynamics and stability of divertor detachment in N2 seeded, type-I, ELMy H-mode plasmas with dominant NBI heating in the JET ITER-like wall device is studied by means of an integrated analysis of diagnostic data from several systems, classifying data relative to the ELM times. It is thereby possible to study the response of the detachment evolution to the control parameters (SOL input power, upstream density and impurity fraction) prevailing during the inter-ELM periods and the effect of ELMs on the detached divertor. A relatively comprehensive overview is achieved, including the interaction with the targets at various stages of the ELM cycle, the role of ELMs in affecting the detachment process and the overall performance of the scenario. The results are consistent with previous studies in devices with an ITER-like, metal wall, with the important advance of distinguishing data from intra- and inter-ELM periods. Operation without significant degradation of the core confinement can be sustained in the presence of strong radiation from the x-point region (MARFE). |
Identificador del proyecto | 633053
P012450/1 |
Cita | Field, A.R., Balboa, I., Drewelow, P., Flanagan, J., Guillemaut, C., Jet Contributors, y García Muñoz, M. (2017). Dynamics and stability of divertor detachment in H-mode plasmas on JET. Plasma Physics and Controlled Fusion, 59 (9), 1-37. |
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