Data

NameViezzer, Eleonora
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica, Molecular y Nuclear
Professional categoryProfesora Titular de Universidad
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  Statistics

  • Items

    106

  • Visits

    6478

  • Downloads

    5290

  Publications

 

PhD Thesis
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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
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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
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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
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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 ...
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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 ...
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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 ...
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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) ...
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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. ...
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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)
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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
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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
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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, 2020-01-01)
The relation between the macroscopic input power required at ASDEX Upgrade to access the H-mode Pthr and the microscopic ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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)
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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)
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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)
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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)
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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
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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
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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
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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
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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
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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
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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 ...
Final Degree Project
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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
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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
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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
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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
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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 ...
Article
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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, 2017-01-01)
A new core charge exchange recombination spectroscopy diagnostic has been installed in the ASDEX Upgrade tokamak that is ...
Presentation
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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
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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
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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
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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
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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
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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
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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
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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
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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 ...
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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
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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) ...