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Mostrando ítems 21-40 de 136
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Artículo
Characterisation of the deuterium recycling at the W divertor target plates in JET during steady-state plasma conditions and ELMs
Brezinsek, S.; Wiesen, S.; Harting, D.; Guillemaut, C.; Webster, A.J.; Jet Contributors; García Muñoz, Manuel (IOP Publishing, 2016-02)Experiments in the JET tokamak equipped with the ITER-like wall (ILW) revealed that the inner and outer target plate at ...
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Classification of ELM types in Joint European Torus based on global plasma parameters using discriminant analysis
Shabbir, A.; Hornung, G.; Noterdaeme, J.; Verdoolaege, G.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2017-11)In this work, discriminant analysis is used as the main approach for building a physics based automated classifier for the ...
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Commissioning and first results of the reinstated JET ICRF ILA
Dumortier, P.; Durodié, F.; Blackman, T.; Graham, M.; Helou, W.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2017-11)The JET ICRF ITER-like Antenna (ILA) has been operated at 33, 42 and 47 MHz in 2008–2009 but stoppedoperation in 2009 due ...
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Comparative H-mode density limit studies in JET and AUG
Huber, A.; Bernert, M.; Brezinsek, S.; Chankin, A.V.; Sergienko, G.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2017-08)Identification of the mechanisms for the H-mode density limit in machines with fully metallic walls, and their scaling to ...
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Artículo
Comparison of runaway electron generation parameters in small, medium-sized and large tokamaks-A survey of experiments in COMPASS, TCV, ASDEX-Upgrade and JET
Plyusnin, V. V.; Reux, C.; Kiptily, V. G.; Pautasso, G.; Decker, J.; Jet Contributors; García Muñoz, Manuel (IOP Publishing, 2018-01)This paper presents a survey of the experiments on runaway electrons (RE) carried out recently in frames of EUROFusion ...
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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)In this study, beryllium tiles from Joint European Torus (JET) vacuum vessel wall were analysed and compared regarding ...
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Current Research into Applications of Tomography for Fusion Diagnostics
Mlynar, J.; Craciunescu, T.; Ferreira, D.; Carvalho, P.; Ficker, O.; Jet Contributors; García Muñoz, Manuel (Springer, 2018-08-23)Retrieving spatial distribution of plasma emissivity from line integrated measurements on tokamaks presents a challenging ...
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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; Gonzalez Martin, Javier; Rodríguez Ramos, Mauricio; Sanchís Sánchez, Lucía; Soria del Hoyo, Carlos; Toscano Jiménez, Manuel; Viezzer, Eleonora (2019-08)Within the EUROfusion MST1 Work Package, a series of experiments has been conducted on AUG and TCV devices to disentangle ...
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Artículo
Deposition in the inner and outer corners of the JET divertor with carbon wall and metallic ITER-like wall
Beal, J.; Widdowson, A.; Heinola, K.; Baron-Wiechec, A.; Gibson, K.J.; Jet Contributors; García Muñoz, Manuel (IOP Publishing, 2016-02)Rotating collectors and quartz microbalances (QMBs) are used in JET to provide time-dependent measurements of erosion and ...
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Artículo
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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Detection of Causal Relations in Time Series Affected by Noise in Tokamaks Using Geodesic Distance on Gaussian Manifolds
Murari, A,; Craciunescu, T.; Peluso, E.; Gelfusa, M.; Jet Contributors; García Muñoz, Manuel (MDPI, 2017-10)Modern experiments in Magnetic Confinement Nuclear Fusion can produce Gigabytes of data, mainly in form of time series. ...
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Artículo
Determination of retained tritium from ILW dust particles in JET
Ashikawa, N.; Torikai, Y.; Asakura, N.; Otsuka, T.; Widdowson, A.; Rubel, M.; Hayashi, T.; Jet Contributors; García Muñoz, Manuel; Viezzer, Eleonora (Elsevier, 2020)Quantitative tritium inventory in dust particles from campaigns in the JET tokamak with the carbon wall (2007–2009) and ...
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Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum
Huber, A.; Brezinsek, S.; Kirschner, A.; Ström, P.; Sergienko, G.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2019-01)The identification of the sources of atomic tungsten and the measurement of their radiation distribution in front of all ...
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Deuterium retention in the divertor tiles of JET ITER-Like wall
Lahtinen, A.; Likonen, J.; Koivuranta, S.; Alves, E.; Baron-Wiechec, A.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2019)Tungsten-coated divertor tiles exposed during the third JET ITER-Like Wall (ILW) campaign in 2015–2016 (ILW3) were studied ...
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Artículo
Discriminating the trapped electron modes contribution in density fluctuation spectra
Arnichand, H.; Sabot, R.; Hacquin, S.; Krämer-Flecken, A.; Bourdelle, C.; Jet Contributors; García Muñoz, Manuel (IOP Publishing, 2015-09)Quasi-coherent (QC) modes have been reported for more than 10 years in reflectometry fluctuations spectra in the core ...
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Artículo
Divertor currents optimization procedure for JET-ILW high flux expansion experiments
Calabrò, G.; Maviglia, F.; Minucci, S.; Viola, B.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2018-04)This paper deals with a divertor coil currents optimized procedure to design High Flux Expansion (HFE) configurations in ...
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Dose rates and specific activities of copper based materials irradiated during the TT plasma operation at JET
Tidikas, Andrius; Breidokaite, Simona; Slavickas, Andrius; Stankunas, Gediminas; Jet Contributors; García Muñoz, Manuel; Viezzer, Eleonora (Elsevier, 2020)Before deuterium-tritium (DTE2), a new tritium campaign (TT) with the objective to validate the activities, dose rates ...
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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)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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Dynamics and stability of divertor detachment in H-mode plasmas on JET
Field, A.R.; Balboa, I.; Drewelow, P.; Flanagan, J.; Guillemaut, C.; Jet Contributors; García Muñoz, Manuel (IOP Publishing, 2017-09)The dynamics and stability of divertor detachment in N2 seeded, type-I, ELMy H-mode plasmas with dominant NBI heating in ...
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EDGE2D-EIRENE simulations of the impact of poloidal flux expansion on the radiative divertor performance in JET
Viola, B.; Calabró, G.; Jaervinen, A.E.; Lupelli, I.; Maviglia, F.; Jet Contributors; García Muñoz, Manuel (Elsevier, 2017)In the past at JET, with the MkI divertor, a systematic study of the influence of X-point height and poloidal flux expansion ...