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Listar por autor "Pütterich, T."
Mostrando ítems 1-15 de 15
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Artículo
A fast edge charge exchange recombination spectroscopy system at the ASDEX Upgrade tokamak
Cavedon, M.; Pütterich, T.; Viezzer, Eleonora; Dux, R.; Geiger, B.; McDermott, R. M.; Meyer, H.; Stroth, U. (AIP Publishing, 2017)In this work, a new type of high through-put Czerny-Turner spectrometer has been developed which allows us to acquire ...
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A forward model for the helium plume effect and the interpretation of helium charge exchange measurements at ASDEX Upgrade
Kappatou, A.; McDermott, R. M.; Pütterich, T.; Dux, R.; Geiger, B.; Jaspers, R. J. E.; Donné, A. J. H.; Viezzer, Eleonora; Cavedon, M. (IOP Science, 2018-03-23)The analysis of the charge exchange measurements of helium is hindered by an additional emission contributing to the ...
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Connecting the global H-mode power threshold to the local radial electric field at ASDEX Upgrade
Cavedon, M.; Birkenmeier, G.; Pütterich, T.; Ryter, F.; Viezzer, Eleonora; Wolfrum, E.; Willensdorfer, M. (IOP Publishing, 2020)The relation between the macroscopic input power required at ASDEX Upgrade to access the H-mode Pthr and the microscopic ...
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Evaluation of impurity densities from charge exchange recombination spectroscopy measurements at ASDEX Upgrade
McDermott, R. M.; Dux, R.; Pütterich, T.; Geiger, B.; Kappatou, A.; Lebschy, A.; Bruhn, C.; Cavedon, M.; Frank, A.; Harder, N. den; Viezzer, Eleonora (Institute of Physics Publishing, 2018-07-26)At ASDEX upgrade (AUG) a new framework for the evaluation of impurity densities based on measurements from charge exchange ...
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Extensions to the charge exchange recombination spectroscopy diagnostic suite at ASDEX Upgrade
McDermott, R. M.; Lebschy, A.; Geiger, B.; Bruhn, C.; Cavedon, M.; Dunne, M. G.; Dux, R.; Fischer, R.; Kappatou, A.; Pütterich, T.; Viezzer, Eleonora (AIP Publishing, 2017)A new core charge exchange recombination spectroscopy diagnostic has been installed in the ASDEX Upgrade tokamak that is ...
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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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Artículo
In-out charge exchange measurements and 3D modelling of diagnostic thermal neutrals to study edge poloidal impurity asymmetries
Cruz Zabala, Diego José; Viezzer, Eleonora; Plank, U.; McDermott, R. M.; Cavedon, M.; Fable, E.; Dux, R.; Cano Megías, Pilar; Pütterich, T.; Van Vuuren, Anton Jansen; García Muñoz, Manuel; García López, Francisco Javier (IOP Publishing Ltd, 2022)A new method was developed to model the neutral population produced by the gas puff based charge exchange recombination ...
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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
Investigation of inter-ELM ion heat transport in the H-mode pedestal of ASDEX Upgrade plasmas
Viezzer, Eleonora; Fable, E.; Cavedon, M.; Angioni, C.; Dux, R.; Laggner, F. M.; Bernert, M.; Burckhart, A.; McDermott, R. M.; Pütterich, T.; Ryter, F.; Willensdorfer, M.; Wolfrum, E. (IOP Publishing, 2017)The ion heat transport in the pedestal of H-mode plasmas is investigated in various H-mode discharges with different ...
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Artículo
Pedestal and Er profile evolution during an edge localized mode cycle at ASDEX Upgrade
Cavedon, M.; Pütterich, T.; Viezzer, Eleonora; Laggner, F. M.; Burckhart, A.; Dunne, M. G.; Fischer, R.; Lebschy, A.; Mink, F.; Stroth, U.; Willensdorfer, M.; Wolfrum, E. (IOP Publishing, 2017)The upgrade of the edge charge exchange recombination spectroscopy diagnostic at ASDEX Upgrade has enabled highly spatially ...
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Ponencia
Poloidal impurity asymmetry studies using the upgraded high field side edge CXRS diagnostic at ASDEX Upgrade
Cruz Zabala, Diego José; Viezzer, Eleonora; Cavedon, M.; Cano Megías, Pilar; Plank, U.; Dux, R.; García López, Francisco Javier; García Muñoz, Manuel; Pütterich, T. (European Physical Society (EPS), 2019) -
Artículo
SOLPS 5.0 simulations of the high-field side divertor detachment of L-mode plasmas in ASDEX upgrade with convection-dominated radial SOL transport
Karhunen, Juuso; Groth, Mathias; Coster, D. P.; Carralero, D.; Guimarãis, Luís; Nikolaeva, V. E.; Potzel, S.; Pütterich, T.; Reimold, F.; Scarabosio, Andrea; Viezzer, Eleonora; Wischmeier, Marco (Elsevier, 2019)SOLPS 5.0 simulations assuming convection-dominated radial ion transport show qualitative and quantitative agreement with ...
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Ponencia
The effect of helium on plasma performance at ASDEX Upgrade and JET
Kappatou, A.; Angioni, C.; Sips, A. C. C.; Lerche, E.; Pütterich, T.; Dunne, M. G.; Neu, R.; Giroud, C.; Viezzer, Eleonora; Bernert, M. (European Physical Society (EPS), 2017) -
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) -
Artículo
Understanding helium transport: experimental and theoretical investigations of low-Z impurity transport at ASDEX Upgrade
Kappatou, A.; McDermott, R. M.; Angioni, C.; Manas, P.; Pütterich, T.; Dux, R.; Viezzer, Eleonora; Tardini, G. (IOP Publishing, 2019)The presence of helium is fundamentally connected to the performance of a fusion reactor, as fusion-produced helium is ...