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Listar por autor "Happel, T."
Mostrando ítems 1-9 de 9
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Ponencia
Experimental study of the impact of ion orbit losses on the edge radial electric field at the ASDEX Upgrade tokamak
Cano Megías, Pilar; Viezzer, Eleonora; Brzozowski, R. W.; Plank, U.; Cavedon, M.; Happel, T.; Höfler, K.; Cruz Zabala, Diego José; Chacartegui, Ricardo (European Physical Society (EPS), 2021) -
Artículo
First measurements of a scintillator-based fast-ion loss detector in reversed Ip/Bt at the ASDEX Upgrade tokamak
Hidalgo Salaverri, Javier; Rueda Rueda, José; Galdón Quiroga, Joaquín; Cano Megías, Pilar; Viezzer, Eleonora; García Domínguez, Javier; Oyola Domínguez, Pablo; Ayllón Guerola, Juan Manuel; García Muñoz, Manuel; Happel, T. (Elsevier, 2023-08)Fast-α losses in future fusion power plants are expected to follow the co- and counter-current directions due to the ...
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Artículo
I-mode pedestal relaxation events at ASDEX Upgrade
Silvagni, D.; Eich, T.; Happel, T.; Harrer, G. F.; Griener, M.; Dunne, M. G.; Cavedon, M.; Faitsch, M.; Viezzer, Eleonora (IOP Publishing, 2020)The I-mode confinement regime can feature small edge temperature drops that can lead to an increase in the energy deposited ...
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Artículo
I-mode pedestal relaxation events in the Alcator C-Mod and ASDEX Upgrade tokamaks
Silvagni, D.; Terry, J. L.; McCarthy, W.; Hubbard, A. E.; Eich, T.; Faitsch, M.; Gil, L.; Golfinopoulos, T.; Grenfell, G.; Griener, M.; Happel, T.; Hughes, J. W.; Stroth, U.; Viezzer, Eleonora (IOP Publishing, 2022)In some conditions, I-mode plasmas can feature pedestal relaxation events (PREs) that transiently enhance the energy ...
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Artículo
I-mode studies at ASDEX Upgrade: L-I and I-H transitions, pedestal and confinement properties
Ryter, F.; Fischer, R.; Fuchs, C.; Happel, T.; McDermott, R. M.; Viezzer, Eleonora; Wolfrum, E.; Barrera Orte, L.; Bernert, M.; Burckhart, A.; Graça, S. da; Kurzan, B.; McCarthy, P.; Pütterich, T.; Suttrop, W.; Willensdorfer, M. (IOP Publishing, 2017)The I-mode is a plasma regime obtained when the usual L-H power threshold is high, e.g. with unfavourable ion B ∇ ...
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Ponencia
Inner versus outer E×B shear layer: an attempt to radially localize the L-H transition
Cavedon, M.; Dux, R.; Happel, T.; Hennequin, P.; Plank, U.; Pütterich, T.; Ryter, F.; Stroth, U.; Viezzer, Eleonora; Wolfrum, E. (European Physical Society (EPS), 2019) -
Artículo
Stationarity of I-mode operation and I-mode divertor heat fluxes on the ASDEX Upgrade tokamak
Happel, T.; Griener, M.; Silvagni, D.; Freethy, S. J.; Hennequin, P.; Janky, F.; Viezzer, Eleonora (Elsevier, 2019)Recent I-mode investigations from the ASDEX Upgrade tokamak are reported. It is shown that neutral-beam-injection heated ...
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Artículo
The I-mode confinement regime at ASDEX Upgrade: global propert ies and characterization of strongly intermittent density fluctuations
Happel, T.; Manz, P.; Ryter, F.; Bernert, M.; Dunne, M. G.; Hennequin, P.; Hetzenecker, A.; Stroth, U.; Conway, G. D.; Guimarais, L.; Honoré, C.; Viezzer, Eleonora (IOP Publishing, 2017)Properties of the Imode confinement regime on the ASDEX Upgrade tokamak are summarized. A weak dependence of the power ...
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Ponencia
The role of radial electric field and neoclassical transport in the establishment and sustainment of the edge transport barrier in the ASDEX Upgrade tokamak
Cavedon, M.; Pütterich, T.; Viezzer, Eleonora; Birkenmeier, G.; Dunne, M. G.; Dux, R.; Fable, E.; Happel, T.; Laggner, F. M.; Wolfrum, E. (European Physical Society (EPS), 2017)