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Listar por autor "McDermott, R. M."
Mostrando ítems 1-14 de 14
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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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Ponencia
Characterization of edge poloidal impurity asymmetries at ASDEX Upgrade
Cruz Zabala, Diego José; Viezzer, Eleonora; Plank, U.; McDermott, R. M.; Cavedon, M.; Dux, R.; Cano Megías, Pilar; García López, Francisco Javier; García Muñoz, Manuel (European Physical Society (EPS), 2021) -
Artículo
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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Ponencia
Experimental conditions for suppressing Edge Localised Modes by magnetic perturbations in ASDEX Upgrade
Suttrop, W.; Kirk, A.; Bobkov, V.; Cavedon, M.; Dunne, M. G.; Leuthold, N.; McDermott, R. M.; Viezzer, Eleonora; Willensdorfer, M. (European Physical Society (EPS), 2018) -
Artículo
Experimental conditions to suppress edge localised modes by magnetic perturbations in the ASDEX Upgrade tokamak
Suttrop, W.; Kirk, A.; Bobkov, V.; Cavedon, M.; Dunne, M. G.; McDermott, R. M.; Viezzer, Eleonora; Willensdorfer, M. (IOP Publishing, 2018)Access conditions for full suppression of edge localised modes (ELMs) by magnetic perturbations (MP) in low density high ...
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Artículo
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
Fast-ion D-alpha measurements at ASDEX Upgrade
Geiger, B.; García Muñoz, Manuel; Heidbrink, W.W.; McDermott, R. M.; Tardini, G. (IOP Publishing, 2011-06)A fast-ion D-alpha (FIDA) diagnostic has been developed for the fully tungsten coated ASDEX Upgrade (AUG) tokamak using ...
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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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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
Ion heat transport dynamics during edge localized mode cycles at ASDEX Upgrade
Viezzer, Eleonora; Cavedon, M.; Fable, E.; Laggner, F. M.; McDermott, R. M.; Galdón Quiroga, Joaquín; Cano Magias, Pilar; Cruz Zabala, Diego José; Wolfrum, E. (IOP Publishing, 2018)The edge ion heat transport is analyzed in ASDEX Upgrade (AUG) by combining a comprehensive set of pedestal measurements ...
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Ponencia
Low-Z impurity transport studies using CXRS at ASDEX Upgrade
Bruhn, C.; McDermott, R. M.; Lebschy, A.; Dux, R.; Angioni, C.; Manas, P.; Viezzer, Eleonora (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 ...