idUS - Author profile: Viezzer, Eleonora

Data

Name	Viezzer, Eleonora
Department	Física Atómica, Molecular y Nuclear
Knowledge area	Física Atómica, Molecular y Nuclear
Professional category	Profesora Titular de Universidad
E-mail	Request

Statistics

Items
106
Visits
6478
Downloads
5290

Publications

Typology

Sort

Publications
PhD Thesis Edge poloidal impurity asymmetry studies using gas puff based charge exchange recombination spectroscopy at the ASDEX Upgrade tokamak García López, Francisco Javier; Viezzer, Eleonora; Cruz Zabala, Diego José (2022-06-17) Nuclear fusion, the energy source of the stars, is expected to be a clean and abundant source of energy on Earth in the ...
Article 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, 2022-01-01) In some conditions, I-mode plasmas can feature pedestal relaxation events (PREs) that transiently enhance the energy ...
Article Building high accuracy emulators for scientific simulations with deep neural architecture search Kasim, M. F.; Watson-Parris, D.; Deaconu, L.; Oliver, S.; Hatfield, P.; Froula, D. H.; Gregori, G.; Jarvis, M.; Khatiwala, S.; Korenaga, J.; Topp-Mugglestone, J.; Viezzer, Eleonora; Vinko, S. M. (IOP Publishing, 2022-01-01) Computer simulations are invaluable tools for scientific discovery. However, accurate simulations are often slow to execute, ...
Article Characterization of scintillator screens under irradiation of low energy 133Cs ions Toledo Garrido, J. J.; Galdón Quiroga, Joaquín; Viezzer, Eleonora; Birkenmeier, Gregor; Olevskaia, V.; Balden, M.; García López, Francisco Javier; Jiménez Ramos, María del Carmen; Rodríguez Ramos, M.; Anda, G.; Videla Trevin, Micaela; García Muñoz, Manuel (IOP Publishing, 2022-01-01) An imaging heavy ion beam probe (i-HIBP) diagnostic, for the simultaneous measurement of plasma density, magnetic field ...
Article Implementation of synthetic fast-ion loss detector and imaging heavy ion beam probe diagnostics in the 3D hybrid kinetic-MHD code MEGA Oyola Domínguez, Pablo; González Martín, J.; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Birkenmeier, G.; Viezzer, Eleonora; Domínguez-Palacios Durán, Jesús José; Rueda Rueda, José; Rivero Rodriguez, Juan Francisco; Todo, Y. (American Institute of Physics, 2021-04-27) A synthetic fast-ion loss (FIL) detector and an imaging Heavy Ion Beam Probe (i-HIBP) have been implemented in the 3D ...
Article Design and simulation of an imaging neutral particle analyzer for the ASDEX Upgrade tokamak Rueda Rueda, José; García Muñoz, Manuel; Viezzer, Eleonora; Schneider, P. A.; García Domínguez, J.; Ayllón Guerola, Juan Manuel; Galdón Quiroga, Joaquín; Herrmann, A.; Du, X. D.; Van Zeeland, M. A.; Oyola Domínguez, Pablo; Rodríguez Ramos, M. (American Institute of Physics, 2021-04-26) An Imaging Neutral Particle Analyzer (INPA) diagnostic has been designed for the ASDEX Upgrade (AUG) tokamak. The AUG INPA ...
Article Optimizing beam-ion confinement in ITER by adjusting the toroidal phase of the 3D magnetic fields applied for ELM control Sanchis Sánchez, Lucía; García Muñoz, Manuel; Viezzer, Eleonora; Loarte, A.; Li, L.; Liu, Y. Q.; Zarzoso, D. (IOP Publishing, 2021-03-01) The confinement of neutral beam injection (NBI) particles in the presence of n = 3 resonant magnetic perturbations (RMPs) ...
Article Coils and power supplies design for the SMART tokamak Agredano Torres, Manuel; García Sánchez, J. L.; Mancini, A.; Doyle, S. J.; García Muñoz, Manuel; Ayllon Guerola, Juan Manuel; Barragán Villarejo, Manuel; Viezzer, Eleonora (Elsevier Ltd, 2021-01-01) A new spherical tokamak, the SMall Aspect Ratio Tokamak (SMART), is currently being designed at the University of Seville. ...
Article Magnetic equilibrium design for the SMART tokamak Doyle, S. J.; López-Aires, D.; Mancini, A.; Agredano Torres, Manuel; García Sánchez, J. L.; Segado Fernández, J.; Ayllon Guerola, Juan Manuel; García Muñoz, Manuel; Viezzer, Eleonora; Soria del Hoyo, Carlos; García López, J; Cunningham, G. (Elsevier Ltd, 2021-01-01) The SMall Aspect Ratio Tokamak (SMART) device is a new compact (plasma major radius Rgeo≥0.40 m, minor radius a≥0.20 m, ...
Presentation Beam-ion transport dependence on Magnetic Perturbations spectrum and plasma helicity in the ASDEX Upgrade tokamak Sanchis Sánchez, Lucía; García Muñoz, Manuel; Viezzer, Eleonora; Snicker, A.; Gonzalez Martin, Javier; Galdón Quiroga, Joaquín; Chen, L.; Zonca, F.; Zarzoso, D.; Suttrop, W.; Willensdorfer, M. (European Physical Society (EPS), 2021-01-01)
Presentation Progress towards a quiescent, high confinement regime for the all-metal ASDEX Upgrade tokamak Viezzer, Eleonora; Solano, E. R.; Cano Megías, Pilar; Cruz Zabala, Diego José; Oyola Domínguez, Pablo; Karagianni, C.; Meyer, H.; Hobirk, J.; Bielajew, R.; Willensdorfer, M. (European Physical Society (EPS), 2021-01-01)
Presentation Determination of the background neutral density from passive Balmer alpha CX emission at the ASDEX Upgrade tokamak Van Vuuren, A. J.; Bogar, K.; Cruz Zabala, Diego José; Cavedon, M.; Cano Megías, Pilar; Kappatou, A.; Dux, R.; Schneider, P. A.; Viezzer, Eleonora; Nishizawa, T.; García Muñoz, Manuel (European Physical Society (EPS), 2021-01-01)
Presentation 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), 2021-01-01)
Presentation Kinetic Modelling of ELM-induced Fast-ion Transport and Acceleration in the ASDEX Upgrade Tokamak Rivero Rodriguez, Juan Francisco; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Snicker, A.; Domínguez-Palacios Durán, Jesús José; Chen, H.; Doyle, S. J.; García Vallejo, Daniel; González Martín, Javier; Sanchís Sánchez, Lucía; Viezzer, Eleonora (European Physical Society (EPS), 2021-01-01)
Presentation Modelling of the interaction between ELMs and fast-ions using MEGA Domínguez-Palacios Durán, Jesús José; Futatani, S.; González Martín, Javier; García Muñoz, Manuel; Toscano Jiménez, Manuel; Viezzer, Eleonora; Galdón Quiroga, Joaquín; Oyola Domínguez, Pablo; Rivero Rodriguez, Juan Francisco (European Physical Society (EPS), 2021-01-01)
Master's Final Project Feasibility study of a thermal ion loss detector for a magnetically confined fusion device Viezzer, Eleonora; Galdón Quiroga, Joaquín; Poley Sanjuán, Jesús (2021-01-01) Magnetic confinement devices can be used to confine the plasma and produce fusion. These kind of devices can operate in ...
Master's Final Project Investigation of the separatrix ion temperature using impurity Charge Exchange Recombination Spectroscopy Viezzer, Eleonora; McKay, Kiera (2021-01-01) The ion temperature of a magnetically confined plasma plays an important roll in that plasma’s ability to initiate and ...
Master's Final Project Characterization of scintillators for ion detection dagnostics in nuclear fusion reactors Viezzer, Eleonora; Ferrer Fernández, Francisco Javier; Videla Trevin, Micaela (2021-01-01) Abstract Scintillator materials are used for ion detection diagnostics in nuclear fusion devices. These diagnostics obtain ...
Presentation 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), 2021-01-01)
Article Analysis of supercritical carbon dioxide Brayton cycles for a helium-cooled pebble bed blanket DEMO-like fusion power plant Hidalgo Salaverri, Javier; Cano Megías, Pilar; Chacartegui, Ricardo; Ayllon Guerola, Juan Manuel; Viezzer, Eleonora (Elsevier Ltd, 2021-01-01) Nuclear fusion is expected to be a clean and almost-unlimited power source in the near future. The first net power ...
Final Degree Project Solución numérica de ecuaciones magnetohidrodinámicas 1D simplificadas Viezzer, Eleonora; García Muñoz, Manuel; Llanes Gamonoso,José (2020-09-01) En este trabajo nos centraremos en el uso de métodos numéricos para resolver sistemas de ecuaciones en derivadas parciales ...
Final Degree Project Optimization of the plasma start-up of the Seville spherical tokamak (SMART) Soria del Hoyo, Carlos; Viezzer, Eleonora; Poley Sanjuán, Jesús (2020-01-01) The SMall Aspect Ratio Tokamak (SMART) is currently being designed by the Plasma Science and Fusion Technology Group (PSFT) ...
Final Degree Project Caracterización del espectro de emisión del boro y nitrógeno en el reactor de fusión ASDEX Upgrade Viezzer, Eleonora; Cruz Zabala, Diego José; Pérez Quinta, Samuel (2020-01-01) El método GP-CXRS (del inglés "Gas Pu -Charge Exchange Recombination Spectros- copy") es una técnica que permite conocer ...
Article Mixed hydrogen-deuterium plasmas on JET ILW King, D. B.; Viezzer, Eleonora; Balboa, I.; Baruzzo, M.; Belonohy, E.; Buchanan, J.; Weisen, H. (IOP Publishing, 2020-01-01) A study of mixed hydrogen-deuterium H-mode plasmas has been carried out in JET-ILW to strengthen the physics basis for ...
Article Isotope dependence of energy, momentum and particle confinement in tokamaks Weisen, H.; Maggi, C. F.; Oberparleiter, M.; Casson, F. J.; Camenen, Y.; Menmuir, S.; Viezzer, Eleonora (Cambridge University Press, 2020-01-01) The isotope dependence of plasma transport will have a significant impact on the performance of future D-T experiments in ...
Article I-mode pedestal relaxation events at ASDEX Upgrade Silvagni, D.; Eich, T.; Happel, T.; Harrer, G. F.; Griener, M.; Dunne, M.; Cavedon, M.; Faitsch, M.; Viezzer, Eleonora (IOP Publishing, 2020-01-01) The I-mode confinement regime can feature small edge temperature drops that can lead to an increase in the energy deposited ...
Article 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, 2020-01-01) The relation between the macroscopic input power required at ASDEX Upgrade to access the H-mode Pthr and the microscopic ...
Article Dynamics of the pedestal transport during edge localized mode cycles at ASDEX Upgrade Viezzer, Eleonora; Cavedon, M.; Cano Megías, Pilar; Fable, E.; Wolfrum, Elisabeth; Cruz Zabala, Diego José; Willensdorfer, M. (IOP Publishing, 2020-01-01) The dynamic behaviour of the ion and electron energy, particle and momentum transport measured during type-I edge localized ...
Article Overview of physics studies on ASDEX Upgrade Meyer, H.; Meyer, H.; Aguiam, D.; Angioni, C.; Albert, C.G.; Arden, N.; Jet Contributors; García Muñoz, Manuel; González Martín, Jose Mauro; Rivero Rodriguez, Juan Francisco; Rodriguez Ramos, María José; Sanchis Sánchez, Lucía; Viezzer, Eleonora (IOP Publishing, 2019-11-01) The ASDEX Upgrade (AUG) programme, jointly run with the EUROfusion MST1 task force, continues to significantly enhance the ...
Article Interpretative and predictive modelling of Joint European Torus collisionality scans Eriksson, F.; Eriksson, F.; Fransson, E.; Oberparleiter, M.; Nordman, H.; Strand, P.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (IOP Publishing, 2019-09-23) Transport modelling of Joint European Torus (JET) dimensionless collisionality scaling experiments in various operational ...
Article Overview of the JET preparation for deuterium–tritium operation with the ITER like-wall Joffrin, E.; Joffrin, E.; Abduallev, S.; Abhangi, M.; Abreu, P.; Afanasev, V.; Jet Contributors; Viezzer, Eleonora; Rivero Rodriguez, Juan Francisco; García Muñoz, Manuel (IOP Publishing, 2019-08-30) For the past several years, the JET scientific programme (Pamela et al 2007 Fusion Eng. Des. 82 590) has been engaged in ...
Article Physics research on the TCV tokamak facility: from conventional to alternative scenarios and beyond Coda, S. et al; Coda, S.; Agostini, M.; Albanese, R.; Alberti, S.; Alessi, E.; Jet Contributors; Ayllón Guerola, Juan Manuel; García Muñoz, Manuel; Viezzer, Eleonora (IOP Publishing, 2019-08-30) The research program of the TCV tokamak ranges from conventional to advanced-tokamak scenarios and alternative divertor ...
Article Dependence on plasma shape and plasma fueling for small ELM regimes in TCV and ASDEX Upgrade Labit, B.; Eich, T.; Harrer, G.; Wolfrum, E.; Bernert, M.; Jet Contributors; García Muñoz, Manuel; Ayllón Guerola, Juan Manuel; Cano Megías, Pilar; Cruz Zabala, Diego José; Domínguez-Palacios Durán, Jesús José; Galdón Quiroga, Joaquín; García López, Francisco Javier; González Martín, Jose Mauro; Rodríguez Ramos, María José; Sanchís Sánchez, Lucía; Soria del Hoyo, Carlos; Toscano Jiménez, Manuel; Viezzer, Eleonora (2019-08-01) Within the EUROfusion MST1 Work Package, a series of experiments has been conducted on AUG and TCV devices to disentangle ...
Article Isotope identity experiments in JET-ILW with H and D L-mode plasmas Maggi, C. F.; Maggi, C.F.; Weisen, H.; Casson, F.J.; Auriemma, F.; Lorenzini, R.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (IOP Publishing, 2019-06-07) NBI-heated L-mode plasmas have been obtained in JET with the Be/W ITER-like wall (JETILW) in H and D, with matched profiles ...
Article Impact of fast ions on density peaking in JET: fluid and gyrokinetic modeling Eriksson, F.; Oberparleiter, M.; Skyman, A.; Nordman, H.; Strand, P.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (IOP Publishing, 2019-05-29) The effect of fast ions on turbulent particle transport, driven by ion temperature gradient (ITG)/ trapped electron mode ...
Article Deposition of impurity metals during campaigns with the JET ITER-like Wall Widdowson, A.; Coad, J.P.; Alves, E.; Baron-Wiechec, A.; Catarino, N.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (Elsevier, 2019-05-19) Post mortem analysis shows that mid and high atomic number metallic impurities are present in deposits on JET plasma facing ...
Article First mirror test in JET for ITER: Complete overview after three ILW campaigns Sunwoo Moon; Petersson, P.; Fortuna, E.; Widdowson, A.; Jachmich, S.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (ELSEVIER, 2019-05-19) The First Mirror Test for ITER has been carried out in JET with mirrors exposed during (1) the third IIW campaign (11.W-3, ...
Article Investigation of deuterium trapping and release in the JET ITER-like wall divertor using TDS and TMAP Likonen, J.; Heinola, K.; Backer, A. de; Baron-Wiechec, A.; Catarino, N.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (ELSEVIER, 2019-05-19) Selected set of samples from JET TER-Like Wall (JET-ILW) divertor tiles exposed both in 20132014 and 20112014 has been ...
Article RF sheath modeling of experimentally observed plasma surface interactions with the JET ITER-Like Antenna Křivská, A.; Bobkov, V.; Colas, L.; Dumortier, P.; Durodié, F.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (Elsevier, 2019-05-01) Waves in the Ion Cyclotron Range of Frequencies (ICRF) enhance local Plasma-Surface Interactions (PSI) near the wave ...
Article The effect of beryllium oxide on retention in JET ITER-like wall tiles Makepeace, C.; Pardanaud, C.; Roubin, P.; Borodkina, I.; Ayres, C.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (Elsevier, 2019-05-01) Preliminary results investigating the microstructure, bonding and effect of beryllium oxide formation on retention in the ...
Article Investigation of deuterium trapping and release in the JET divertor during the third ILW campaign using TDS Likonen, J.; Heinola, K.; Backer, A. de; Baron-Wiechec, A.; Catarino, N.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (Elsevier, 2019-05-01) Selected set of samples from JET ITER-Like Wall (JET-ILW) divertor tiles exposed in 2015–2016 has been analysed using ...
Article Dynamic modelling of local fuel inventory and desorption in the whole tokamak vacuum vessel for auto-consistent plasma-wall interaction simulations Denis, J.; Bucalossi, J.; Ciraolo, G.; Hodille, E.A.; Pégourié, B.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (Elsevier, 2019-05-01) An extension of the SolEdge2D-EIRENE code package, named D-WEE, has been developed to add the dynamics of thermal desorption ...
Article Comparison of the structure of the plasma-facing surface and tritium accumulation in beryllium tiles from JET ILW campaigns 2011-2012 and 2013-2014 Pajuste, E.; Kizane, G.; Igaune, I.; Avotina, L.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (ELSEVIER, 2019-05-01) In this study, beryllium tiles from Joint European Torus (JET) vacuum vessel wall were analysed and compared regarding ...
Article Improved ERO modelling of beryllium erosion at ITER upper first wall panel using JET-ILW and PISCES-B experience Borodin, D.; Romazanov, J.; Pitts, R.A.; Lisgo, S.W.; Brezinsek, S.; Jet Contributors; Galdón Quiroga, Joaquín; García Muñoz, Manuel; Viezzer, Eleonora (Elsevier, 2019-05-01) ERO is a 3D Monte-Carlo impurity transport and plasma-surface interaction code. In 2011 it was applied for the ITER first ...
Article Modelling of the effect of ELMs on fuel retention at the bulk W divertor of JET Heinola, K.; Ahlgren, T.; Brezinsek, S.; Vuoriheimo, T.; Wiesen, S.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (Elsevier, 2019-05-01) Effect of ELMs on fuel retention at the bulk W target of JET ITER-Like Wall was studied with multi-scale calculations. ...
Article EDGE2D-EIRENE simulations of the influence of isotope effects and anomalous transport coefficients on near scrape-off layer radial electric field Chankin, A.V.; Corrigan, G.; Maggi, C.F.; Jet Contributors; García Muñoz, Manuel; Galdón Quiroga, Joaquín; Viezzer, Eleonora (IOP Publishing, 2019-04-04) EDGE2D-EIRENE (the ‘code’) simulations show that radial electric field, Er, in the near scrape-off layer (SOL) of tokamaks ...
Article 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, 2019-01-01) SOLPS 5.0 simulations assuming convection-dominated radial ion transport show qualitative and quantitative agreement with ...
Final Degree Project Simulations of Eddy currents in the Seville spherical tokamak Soria del Hoyo, Carlos; Viezzer, Eleonora; López Aires, Daniel (2019-01-01) Achieving controlled nuclear fusion on Earth could be a decisive aspect on the climate change ght. It is also an exciting ...
Article On the ion and electron temperature recovery after the ELM-crash at ASDEX upgrade Cavedon, M.; Dux, R.; Putterich, T.; Viezzer, Eleonora; Wolfrum, E.; Dunne, M.; Willensdorfer, M. (Elsevier, 2019-01-01) The access to fast measurements, i.e. Δt ≈ 100 µs, of the ions and the electrons during an entire edge localized cycle ...
Article Non-linear modeling of the threshold between ELM mitigation and ELM suppression by resonant magnetic perturbations in ASDEX upgrade Orain, F.; Hoelzl, M.; Mink, F.; Willensdorfer, M.; Bécoulet, M.; Dunne, M.; Günter, S.; Huijsmans, G.; Lackner, K.; Pamela, S.; Suttrop, W.; Viezzer, Eleonora (American Institute of Physics, 2019-01-01) The interaction between Edge-Localized Modes (ELMs) and Resonant Magnetic Perturbations (RMPs) is modeled with the ...
Article 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, 2019-01-01) Recent I-mode investigations from the ASDEX Upgrade tokamak are reported. It is shown that neutral-beam-injection heated ...
Article Characterisation of the fast-ion edge resonant transport layer induced by 3D perturbative fields in the ASDEX Upgrade tokamak through full orbit simulations Sanchis Sánchez, Lucía; García Muñoz, Manuel; Snicker, A.; Ryan, D. A.; Zarzoso, D.; Chen, L.; Galdón Quiroga, Joaquín; Rivero Rodriguez, Juan Francisco; Rodríguez Ramos, Mauricio; Viezzer, Eleonora; Zonca, F. (IOP Publishing, 2019-01-01) In recent experiments at the ASDEX Upgrade tokamak the existence of an Edge Resonant Transport Layer (ERTL) was revealed ...
Article Beam modelling and hardware design of an imaging heavy ion beam probe for ASDEX Upgrade Birkenmeier, G.; Galdón Quiroga, Joaquín; Olevskaia, V.; Sochor, M.; Kaunert, K.; Anda, G.; Rivero Rodriguez, Juan Francisco; Viezzer, Eleonora; García Muñoz, Manuel (IOP Publishing, 2019-01-01) The imaging heavy ion beam probe (i-HIBP) developed at the ASDEX Upgrade tokamak is a new diagnostic concept for investigations ...
Article Heat transport driven by the ion temperature gradient and electron temperature gradient instabilities in ASDEX Upgrade H-modes Ryter, F.; Angioni, C.; Dunne, M.; Fischer, R.; Kurzan, B.; Lebschy, A.; Viezzer, Eleonora; Willensdorfer, M. (IOP Publishing, 2019-01-01) A study of the properties of the turbulence-driven ion and electron heat fluxes, is presented. Dedicated H-mode experiments ...
Article Upgrade of the edge Charge Exchange Recombination Spectroscopy system at the High Field Side of ASDEX Upgrade Cruz Zabala, Diego José; Viezzer, Eleonora; Griener, M.; Plank, U.; Cavedon, M.; Cano Megías, Pilar; García López, Francisco Javier; García Muñoz, Manuel; Rohde, V. (IOP Publishing, 2019-01-01) The upgrade of the high field side (HFS) edge charge exchange recombination spectroscopy (CXRS) system of ASDEX Upgrade ...
Article Feasibility study for an edge main ion charge exchange recombination spectroscopy system at ASDEX Upgrade Cano Megías, Pilar; Viezzer, Eleonora; Van Vuuren, A. J.; Cavedon, M.; Cruz Zabala, Diego José; Dux, R.; Geiger, B.; García Muñoz, Manuel; Chacartegui, Ricardo (IOP Publishing, 2019-01-01) A feasibility study for a new edge main ion charge exchange recombination spectroscopy (CXRS) system at the ASDEX Upgrade ...
Article Observation of accelerated beam ion population during edge localized modes in the ASDEX Upgrade tokamak Galdón Quiroga, Joaquín; García Muñoz, Manuel; McClements, K.G.; Nocente, M.; Denk, S.S.; Freethy, S.; Rivero Rodriguez, Juan Francisco; Sanchis Sánchez, Lucía; Viezzer, Eleonora; Willensdorfer, M. (IOP Publishing, 2019-01-01) The interaction between fast-ions and edge localized modes (ELMs) is investigated by means of fast-ion loss detector ...
Article 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, 2019-01-01) The presence of helium is fundamentally connected to the performance of a fusion reactor, as fusion-produced helium is ...
Presentation Effect of fuel isotope mass on q-profile formation in JET hybrid plasmas Challis, C.D.; Brezinsek, S.; Coffey, I.; Hawkes, N.; Keeling, D.; King, D.; Pucella, G.; Viezzer, Eleonora (European Physical Society (EPS), 2019-01-01)
Presentation Electron temperature fluctuation measurements in the pedestal of improved confinement regimes at ASDEX Upgrade Bielajew, R.; Conway, G.D.; Gil, L.; Hubbard, A. E.; Molina Cabrera, P. A.; Silvagni, D.; Viezzer, Eleonora; White, A. E. (European Physical Society (EPS), 2019-01-01)
Presentation Assessment of the current density evolution during an ELM cycle using beam emission polarimetry at ASDEX Upgrade Dux, R.; Viezzer, Eleonora; Cavedon, M.; Dunne, M.G.; Fischer, R. (European Physical Society (EPS), 2019-01-01)
Presentation 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), 2019-01-01)
Presentation An imaging heavy ion beam probe diagnostic for the ASDEX Upgrade tokamak Galdón Quiroga, Joaquín; Birkenmeier, G.; Olevskaia, V.; Sochor, M.; Anda, G.; Bald, K.; García Muñoz, Manuel; Rivero Rodriguez, Juan Francisco; Viezzer, Eleonora; Stroth, U. (European Physical Society (EPS), 2019-01-01)
Presentation Non-linear hybrid kinetic-MHD simulations of ELMs in the ASDEX Upgrade tokamak Domínguez-Palacios Durán, Jesús José; González Martín, Javier; García Muñoz, Manuel; Toscano Jiménez, Manuel; Viezzer, Eleonora; Futatani, S.; Galdón Quiroga, Joaquín; Hoelzl, M.; Oyola Domínguez, Pablo; Rivero Rodriguez, Juan Francisco; Soria del Hoyo, Carlos; Suzuki, Y.; Todo, Y. (European Physical Society (EPS), 2019-01-01)
Presentation 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), 2019-01-01)
PhD Thesis Velocity-space resolved measurements of fast-ion losses due to magnetohydrodynamic instabilities in the ASDEX Upgrade tokamak. García Muñoz, Manuel; Viezzer, Eleonora; Galdón Quiroga, Joaquín (2018-12-17) The confinement of suprathermal ions in magnetically confined fusion plasmas is essential to ensure a good fusion performance. ...
Master's Final Project Deposición y caracterización de materiales centelladores para su utilización en el detector FILD. Viezzer, Eleonora; García Muñoz, Manuel; Toledo Garrido, Juan José (2018-12-01) La fusión nuclear se muestra como una posible opción de fuente de energ´ıa. Esta estaría bien distribuida globalmente y ...
Master's Final Project Orbit simulations of fast-ion transport induced by externally applied 3D magnetic perturbations in the ASDEX Upgrade tokamak. Viezzer, Eleonora; García Muñoz, Manuel; González Rosa, Jesús (2018-12-01) Externally applied 3D magnetic perturbations break the symmetry of the magnetic field in a tokamak and have an impact on ...
Article 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 ...
Final Degree Project Non-linear magnetohydrodynamic hybrid simulations of the stability in tokamaks García Muñoz, Manuel; Viezzer, Eleonora; Oyola Domínguez, Pablo (2018-07-01) Plasma physics plays a fundamental role in fusion technology research. However, the main equations governing the plasma ...
Article Beam-Ion Acceleration during Edge Localized Modes in the ASDEX Upgrade Tokamak Galdón-Quiroga, J.; García Muñoz, Manuel; McClements, K.G.; Nocente, M.; Hoelzl, M.; Jacobsen, A.S.; Orain, F.; Ribero-Rodríguez, J.F.; Salewski, M.; Sanchis-Sánchez, L.; Suttrop, W.; Viezzer, Eleonora (American Physical Society, 2018-07-01) The acceleration of beam ions during edge localized modes (ELMs) in a tokamak is observed for the first time through direct ...
Article Beam-Ion Acceleration during Edge Localized Modes in the ASDEX Upgrade Tokamak Galdón Quiroga, Joaquín; García Muñoz, Manuel; McClements, K.G.; Nocente, M.; Hoelzl, M.; Rivero Rodriguez, Juan Francisco; Sanchis Sánchez, Lucía; Viezzer, Eleonora (2018-07-01) The acceleration of beam ions during edge localized modes (ELMs) in a tokamak is observed for the first time through direct ...
Final Degree Project Feasibility study for a new imaging neutral particle analyser in the asdex upgrade tokamak García Muñoz, Manuel; Viezzer, Eleonora; Rueda Rueda, José (2018-06-01) Magnetically confined fusion plasmas are the prior candidate to achieve an operative fusion power plant. The confinement ...
Article 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 ...
Article Access and sustainment of naturally ELM-free and small-ELM regimes Viezzer, Eleonora (IOP Publishing, 2018-01-01) Edge localized modes (ELMs) have a detrimental effect on the plasma facing components and pose one of the most serious ...
Article Divertor, scrape-off layer and pedestal particle dynamics in the ELM cycle on ASDEX Upgrade Laggner, F.M.; Keerl, S.; Gnilsen, J.; Wolfrum, E.; Bernert, M.; Carralero, D.; Guimarais, L.; Nikolaeva, V.; Potzel, S.; Cavedon, M.; Mink, F.; Dunne, M.G.; Birkenmeier, G.; Fischer, R.; Viezzer, Eleonora; Willensdorfer, M.; Wischmeier, M.; Aumayr, F. (IOP Publishing, 2018-01-01) In addition to the relaxation of the pedestal, edge localised modes (ELMs) introduce changes to the divertor and scrape-off ...
Article Effects of density gradients and fluctuations at the plasma edge on ECEI measurements at ASDEX Upgrade Vanovac, B.; Wolfrum, E.; Denk, S.S.; Mink, F.; Laggner, F.M.; Birkenmeier, G.; Viezzer, Eleonora; Luhmann, N.C. (IOP Publishing, 2018-01-01) Electron cyclotron emission imaging (ECEI) provides measurements of electron temperature (Te) and its fluctuations (δTe). ...
Article Velocity-space sensitivity and tomography of scintillator-based fast-ion loss detectors Galdón Quiroga, Joaquín; García Muñoz, Manuel; Salewski, M.; Jacobsen, A.S.; Sanchis Sánchez, Lucía; Rodríguez Ramos, Mauricio; Ayllón Guerola, Juan Manuel; García López, Francisco Javier; González Martín, Javier; Jiménez Ramos, María del Carmen; Rivero Rodriguez, Juan Francisco; Viezzer, Eleonora (IOP Publishing, 2018-01-01) A simple model for the instrument function of scintillator-based fast-ion loss detectors (FILD) has been developed which ...
Article Qualification and implementation of line ratio spectroscopy on helium as plasma edge diagnostic at ASDEX Upgrade Griener, M.; Muñoz Burgos, J.M.; Cavedon, M.; Birkenmeier, G.; Dux, R.; Kurzan, B.; Viezzer, Eleonora; Wolfrum, E. (IOP Publishing, 2018-01-01) A new thermal helium beam diagnostic has been implemented as plasma edge diagnostic at the ASDEX Upgrade (AUG) tokamak. ...
Article 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.; McDermott, R. M.; Viezzer, Eleonora; Willensdorfer, M. (IOP Publishing, 2018-01-01) Access conditions for full suppression of edge localised modes (ELMs) by magnetic perturbations (MP) in low density high ...
Presentation Acceleration of beam ions during edge localized modes in the ASDEX Upgrade tokamak Galdón Quiroga, Joaquín; García Muñoz, Manuel; McClements, K.G.; Nocente, M.; Denk, S.S.; Freethy, S.; Rivero Rodriguez, Juan Francisco; Sanchis Sánchez, Lucía; Viezzer, Eleonora; Willensdorfer, M. (European Physical Society (EPS), 2018-01-01)
Presentation Experimental conditions for suppressing Edge Localised Modes by magnetic perturbations in ASDEX Upgrade Suttrop, W.; Kirk, A.; Bobkov, V.; Cavedon, M.; Dunne, M.; Leuthold, N.; McDermott, R. M.; Viezzer, Eleonora; Willensdorfer, M. (European Physical Society (EPS), 2018-01-01)
Presentation Non-Linear 3D Hybrid Kinetic-MHD Simulations of Alfvén Eigenmodes in the ASDEX Upgrade Tokamak González Martín, Javier; García Muñoz, Manuel; Todo, Y.; Sharapov, S.E.; Dunne, M.; Igochine, V.; Oyola Domínguez, Pablo; Sanchis Sánchez, Lucía; Viezzer, Eleonora; Ayllón Guerola, Juan Manuel; Rodríguez Ramos, Mauricio; Domínguez Abascal, Jaime (European Physical Society (EPS), 2018-01-01)
Master's Final Project Characterization of the ion pedestal in low and high collisionality plasmas Viezzer, Eleonora; Cruz Zabala, Diego José (2017-01-01) The high confinement mode (H-mode) is a very important regime for future fusion devices. In this regime, the global ...
Master's Final Project Impact of externally applied 3D ﬁelds on plasma rotation and correlation to particle losses Viezzer, Eleonora; Cano Megías, Pilar (2017-01-01) El modo de alto conﬁnamiento (H-mode) está considerado como el modo de operación óptimo para futuros dispositivos de fusión ...
Article 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, 2017-01-01) In this work, a new type of high through-put Czerny-Turner spectrometer has been developed which allows us to acquire ...
Article Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution Meyer, H.; Eich, T.; Beurskens, M.; Coda, S.; Hakola, A.; Martin, P.; Barrera, L.; Galdón-Quiroga, J.; García López, Francisco Javier; García Muñoz, Manuel; Rodríguez Ramos, Mauricio; Sanchis-Sánchez, L.; Viezzer, Eleonora (IOP Publishing, 2017-01-01) Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle ...
Article Overview of ASDEX Upgrade results Kallenbach, A.; Galdón-Quiroga, J.; García Muñoz, Manuel; Rodríguez Ramos, Mauricio; Sanchis-Sánchez, L.; Viezzer, Eleonora (IOP Publishing, 2017-01-01) The ASDEX Upgrade (AUG) programme is directed towards physics input to critical elements of the ITER design and the ...
Article Overview of the JET results in support to ITER Litaudon, X.; Abduallev, S.; Abhangi, M.; Abreu, P.; Afzal, M.; Galdón-Quiroga, J.; García Muñoz, Manuel; Viezzer, Eleonora (IOP Publishing, 2017-01-01) The 2014–2016 JET results are reviewed in the light of their significance for optimising the ITER research plan for the ...
Article 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, 2017-01-01) The I-mode is a plasma regime obtained when the usual L-H power threshold is high, e.g. with unfavourable ion B ∇ ...
Article 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, 2017-01-01) Properties of the Imode confinement regime on the ASDEX Upgrade tokamak are summarized. A weak dependence of the power ...
Article 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, 2017-01-01) The ion heat transport in the pedestal of H-mode plasmas is investigated in various H-mode discharges with different ...
Article Edge momentum transport by neutrals: an interpretive numerical framework Omotani, J.T.; Newton, S.L.; Pusztai, I.; Viezzer, Eleonora; Fülöp, T. (IOP Publishing, 2017-01-01) Due to their high cross-field mobility, neutrals can contribute to momentum transport even at the low relative densities ...
Article 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, 2017-01-01) The upgrade of the edge charge exchange recombination spectroscopy diagnostic at ASDEX Upgrade has enabled highly spatially ...
Article 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, 2017-01-01) A new core charge exchange recombination spectroscopy diagnostic has been installed in the ASDEX Upgrade tokamak that is ...
Presentation Conceptual design of a scintillator based Imaging Heavy Ion Beam Probe for the ASDEX Upgrade tokamak Galdón Quiroga, Joaquín; Rivero Rodriguez, Juan Francisco; García Muñoz, Manuel; Birkenmeier, Gregor; Viezzer, Eleonora; Ayllón Guerola, Juan Manuel; Dunne, Mike G.; García López, Francisco Javier; González Martín, J.; Jiménez Ramos, María del Carmen; Rodríguez Ramos, M.; Sanchís Sánchez, Lucía; Wolfrum, Elisabeth; ASDEX Upgrade Team (Institute of Physics Publishing, 2017-01-01) A conceptual design of a new diagnostic for the simultaneous space and time resolved measurement of plasma density, potential ...
Presentation 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), 2017-01-01)
Presentation 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.; Neu, R.; Giroud, C.; Viezzer, Eleonora; Bernert, M. (European Physical Society (EPS), 2017-01-01)
Presentation Full suppression of Edge Localised Modes with non-axisymmetric magnetic perturbations at low plasma edge collisionality in ASDEX Upgrade Suttrop, W.; Kirk, A.; Nazikian, R.; Bobkov, V.; Cavedon, M.; Dunne, M.; Viezzer, Eleonora; Willensdorfer, M. (European Physical Society (EPS), 2017-01-01)
Presentation Effects of strong density fluctuations at the plasma edge on ECEI measurements at ASDEX Upgrade Vanovac, B.; Wolfrum, E.; Denk, S.S.; Mink, F.; Laggner, F.M.; Birkenmeier, G.; Viezzer, Eleonora; Luhmann, N.C. (European Physical Society (EPS), 2017-01-01)
Presentation Mixed Hydrogen-Deuterium plasmas on JET ILW: H-mode confinement and isotope mixture control King, D. B.; Viezzer, Eleonora; Baruzzo, M.; Belonohy, E.; Buchanan, J.; Carvalho, I.; Weisen, H. (European Physical Society (EPS), 2017-01-01)
Presentation 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), 2017-01-01)
Article A new beam emission polarimetry diagnostic for measuring the magnetic field line angle at the plasma edge of ASDEX Upgrade Viezzer, Eleonora; Dux, R.; Dunne, M.G. (AIP Publishing, 2016-01-01) A new edge beam emission polarimetry diagnostic dedicated to the measurement of the magnetic field line angle has been ...
Article Recent ASDEX Upgrade research in support of ITER and DEMO Zohm, H.; García Muñoz, Manuel; Rodríguez Ramos, Mauricio; Sanchis-Sánchez, L.; Viezzer, Eleonora (IOP Publishing, 2015-01-01) Recent experiments on the ASDEX Upgrade tokamak aim at improving the physics base for ITER and DEMO to aid the machine design ...
Article Fast-ion redistribution and loss due to edge perturbations in the ASDEX Upgrade, DIII-D and KSTAR tokamaks García Muñoz, Manuel; Akaslompolo, S.; Asunta, O.; Boom, J.; Chen, X.; Classen, I. G. J.; Rodriguez Ramos, Mauricio; Viezzer, Eleonora (IOP Publishing, 2013-01-01) The impact of edge localized modes (ELMs) and externally applied resonant and non-resonant magnetic perturbations (MPs) ...
Article Fast-ion redistribution and loss due to edge perturbations in the ASDEX Upgrade, DIII-D and KSTAR tokamaks García Muñoz, Manuel; Äkäslompolo, S.; Asunta, O.; Boom, J.; Chen, X.; Classen, I.G.J.; Dux, R.; Evans, T.E.; Fietz, S.; Fisher, R.K.; Fuchs, C.; Geiger, B.; Hoelzl, M.; Igochine, V.; Jeon, Y.M.; Kim, J.; Kim, J.Y.; Kurzan, B.; Lazanyi, N.; Lunt, T.; McDermott, R. M.; Nocente, M.; Pace, D.C.; Rhodes, T.L.; Rodríguez Ramos, Mauricio; Shinohara, K.; Suttrop, W.; Zeeland, M.A. van; Viezzer, Eleonora; Willensdorfer, M.; Wolfrum, E. (IOP Publishing, 2013-01-01) The impact of edge localized modes (ELMs) and externally applied resonant and non-resonant magnetic perturbations (MPs) ...

Author profile: Viezzer, Eleonora

Data

Statistics

106

6478

5290

Publications