Scientific Commons: R. Dux

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint...

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding (2007)

Angioni, C., Carraro, L., Dannert, T., Dubuit, N., Dux, R., Fuchs, C., ...

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint...

Tungsten sputtering during ICRF in ASDEX Upgrade (2007)

Bobkov, V., Braun, F., Dux, R., Herrmann, A., Kallenbach, A., Neu, R., ...

Compatibility of ICRF antennas with W-coated limiters for different plasma geometries in ASDEX Upgrade (2007)

BOBKOV, VV, BRAUN, F, DUX, R, HERRMANN, A, KALLENBACH, A, NEU, R, ...

Understanding the spatial structure of RF-induced SOL modifications (2007)

COLAS, L, EKEDAHL, A, GONICHE, M, GUNN, JP, NOLD, B, CORRE, Y, ...

Plasma wall interaction and its implication in an all tungsten divertor tokamak (2007)

NEU, R, BALDEN, M, BOBKOV, V, DUX, R, GRUBER, O, HERRMANN, A, ...

Tungsten sputtering during ICRF in ASDEX upgrade (2007)

BOBKOV, VI, BILATO, R, BRAUN, F, DUX, R, HERRMANN, A, KALLENBACH, A, ...

Overview of ASDEX Upgrade Results (2007)

GRUBER, O, ANGIONI, C, ATANASIU, C, BALDEN, M, BECKER, G, BECKER, W, ...

Structure and Dynamics of Spontaneous and Induced ELMs on ASDEX Upgrade (2006)

Neuhauser, J., Bobkov, V., Chankin, A., Coster, D.P., Dux, R., Eich, T., ...

Plasma-surface interaction, scrape-off layer and divertor physics: Implications for ITER (2006)

Lipschultz, B., Asakura, N., Bonnin, X., Coster, D., Counsell, G., Doerner, R., ...

Observations on core turbulence transitions in ASDEX Upgrade using Doppler reflectometry (2006)

Conway, G.D., Angioni, C., Dux, R., Ryter, F., Peeters, A.G., Schirmer, J., ...

SOLPS modelling of ASDEX Upgrade H-mode plasma (2006)

Chankin, A.V., Coster, D.P., Dux, R., Fuchs, Ch., Haas, G., Herrmann, A., ...

Recent accomplishments and future plans of ASDEX Upgrade (2006)

Mertens, V., Dux, R., Gantenbein, G., Gruber, O., Guenter, S., Hobirk, J., ...

ICRF antenna coupling dependence on edge plasma conditions in ASDEX Upgrade (2006)

Bobkov, Vl.V., Bilato, R., Braun, F., Dux, R., ICRF Team, ...

STRAHL User Manual (2006)

Dux, R.

Spectroscopic Divertor Characterization and Impurity Influx Measurements in ASDEX Upgrade Tokamak (2006)

Prakash, R., Pütterich, T., Dux, R., Kallenbach, A., Fischer, R., Behringer, K., ...

Measurements and modeling of transport and impurity radial profiles in the EXTRAP T2R reversed field pinch (2006)

Kuldkepp, M., Brunsell, P.R., Dux, R., Menmuir, S., Rachlew, E.

ASCOT simulations of fast particle effects on ASDEX Upgrade edge (2006)

Hynönen, V., Kurki-Suonio, T., Suttrop, W., Dux, R., Sugiyama, K., ASDEX Upgrade Team

Investigations on Tungsten Walls at ASDEX Upgrade (2006)

Pütterich, T., Neu, R., Dux, R., Kallenbach, A., Bobkov, V., Rohde, V., ...

Helium impurity ion densities measured with Lithium beam charge exchange spectroscopy (2006)

Wolfrum, E., Schweinzer, J., Reich, M., Dux, R., ASDEX Upgrade Team

The implications of high-Z first wall materials on noble gas wall recycling (2006)

Schmid, K., Schwarz-Selinger, T., Jacob, W., Dux, R., ASDEX-Upgrade Team

ICRF antenna coupling dependence on edge plasma conditions in ASDEX Upgrade (2006)

BOBKOV, VV, BILATO, R, BRAUN, F, DUX, R, Noterdaeme, Jean-Marie

Carbon chemical erosion in H-mode discharges in ASDEX Upgrade divertor IIb: Flux dependence and local redeposition (2005)

Pugno,R., Krieger,K., Kirschner,A., Kallenbach,A., Coster,D., Dux,R., ...

Integrated exhaust control with divertor parameter feedback and pellet ELM pacemaking in ASDEX Upgrade (2005)

Kallenbach,A., Lang,P. T., Dux,R., Fuchs,C., Herrmann,A., Meister,H., ...

Type-I ELM substructure on the divertor target plates in ASDEX Upgrade (2005)

Eich,T., Herrmann,A., Neuhauser,J., Dux,R., Fuchs,J. C., Günter,S., ...

The improved H-mode at ASDEX Upgrade: a candidate for an ITER hybrid scenario (2005)

Staebler,A., Sips,A. C. C., Brambilla,M., Bilato,R., Dux,R., Gruber,O., ...

Overview of ASDEX Upgrade results-development of integrated operating scenarios for ITER (2005)

Günter,S., Angioni,C., Apostoliceanu,M., Atanasiu,C., Balden,M., Becker,G., ...

This article based on the 2004 Fusion Energy Conference contribution (Vilamoura, Portugal, 1-6 November 2004)

Impact of a pulsed supersonic deuterium gas jet on the ELM behaviour in ASDEX Upgrade (2005)

Lang,P.T., Neuhauser,J., Bucalossi,J., Chankin,A., Coster,D.P., Drube,R., ...

Gyrokinetic calculations of particle and impurity transport in ASDEX Upgrade and JET (2005)

Angioni,C., Dannert,T., Dux,R., Giroud,C., Jenko,F., Maggi,C.F., ...

Observations on core turbulence and radial electric field transitions in ASDEX Upgrade using Doppler reflectometry (2005)

Conway,G.D., Angioni,C., Dux,R., Ryter,F., Schirmer,J., Peeters,A., ...

Fast Ion Distribution in the Presence of Magnetic Ripple and Radial Electric Field (2005)

Kurki-Suonio,T., Hynoenen,V., Suttrop,W., Dux,R.

Tungsten: an option for divertor and main chamber plasma facing components in future fusion devices (2005)

Neu,R., Dux,R., Kallenbach,A., Pütterich,T., Balden,M., Fuchs,J. C., ...

Helium exhaust experiments on JET with Type I ELMs in H-mode and with Type III ELMs in ITB discharges (2005)

Cox,S. J., Hellermann,M. G. Von, O'Mullane,M. G., Storck,D., Brix,M., ...

Interaction of ELMs and fast particles with in vessel components in ASDEX Upgrade (2005)

Herrmann,A., Neuhauser,J., Rohde,V., Dux,R., Eich,T., Fuchs,C. J., ...

Plasma surface interaction with tungsten in ASDEX Upgrade (2005)

Dux,R., Herrmann,A., Kallenbach,A., Neu,R., Neuhauser,J., Maier,H., ...

Tungsten Erosion at the Auxiliary Limiters in ASDEX Upgrade (2005)

Dux,R., Bobkov,V., Kallenbach,A., Krieger,K., Neu,R., Puetterich,T., ...

Integrated exhaust scenarios with actively controlled ELMs (2005)

Lang,P. T., Kallenbach,A., Bucalossi,J., Conway,G. D., Degeling,A., Dux,R., ...

Development of an ITER relevant advanced scenario at ASDEX Upgrade (2005)

Gruber,O., Sips,A. C. C., Staebler,A., Dux,R., Hobirk,J., Horton,L. D., ...

Tungsten: An option for divertor and main chamber plasma facing components in future fusion devices (2005)

Neu,R., Dux,R., Kallenbach,A., Maggi,C. F., Pütterich,T., Balden,M., ...

Wall and Divertor Load during ELMy H-mode and Disruptions in ASDEX Upgrade (2005)

Herrmann,A., Neuhauser,J., Pautasso,G., Bobkov,V., Dux,R., Eich,T., ...

Integrated Exhaust Scenarios with Actively Controlled ELMs (2005)

Lang,P. T., Kallenbach,A., Bucalossi,J., Conway,G. D., Degeling,A., Dux,R., ...

The Improved H-Mode at ASDEX-Upgrade: a Candidate for an ITER Hybrid Scenario (2005)

Staebler,A., Sips,A. C. C., Brambilla,M., Bilato,R., Dux,R., Gruber,O., ...

Impurity Transport and Control in ASDEX Upgrade (2005)

Dux,R., Neu,R., Maggi,C. F., Peeters,A. G., Pütterich,T., Pereverzev,G., ...

Overview of ASDEX Upgrade Results (2005)

Günter,S., Angioni,C., Apostoliceanu,M., Atanasiu,C., Balden,M., Becker,G., ...

Anomalous particle and impurity transport in JET and implications for ITER (2005)

Weisen,H., Angioni,C., Bortolon,A., Bourdelle,C., Carraro,L., Coffey,I., ...

Electron Acceleration Near ICRF Antennas (2005)

Petrzilka,V., Fuchs,V., Krlin,L., Colas,L., Goniche,M., Heuraux,S., ...

Performance optimisation in ASDEX Upgrade with ECRH and ECCD (2005)

Leuterer,F., Angioni,C., Dux,R., Gantenbein,G., Guenter,S., Manini,A., ...

Tokamak operation with high-Z plasma facing components (2005)

Kallenbach,A., Neu,R., Dux,R., Fuchs,J. C., Giannone,L., ...

Carbon chemical erosion in H-mode discharges in ASDEX Upgrade divertor IIb: Flux dependence and local redeposition (2005)

Pugno, R., Krieger, K., Kirschner, A., Kallenbach, A., Coster, D., Dux, R., ...

Integrated exhaust control with divertor parameter feedback and pellet ELM pacemaking in ASDEX Upgrade (2005)

Kallenbach, A., Lang, P. T., Dux, R., Fuchs, C., Herrmann, A., Meister, H., ...

Type-I ELM substructure on the divertor target plates in ASDEX Upgrade (2005)

Eich, T., Herrmann, A., Neuhauser, J., Dux, R., Fuchs, J. C., Günter, S., ...

The improved H-mode at ASDEX Upgrade: a candidate for an ITER hybrid scenario (2005)

Staebler, A., Sips, A. C. C., Brambilla, M., Bilato, R., Dux, R., Gruber, O., ...

Overview of ASDEX Upgrade results-development of integrated operating scenarios for ITER (2005)

Günter, S., Angioni, C., Apostoliceanu, M., Atanasiu, C., Balden, M., Becker, G., ...

This article based on the 2004 Fusion Energy Conference contribution (Vilamoura, Portugal, 1-6 November 2004)

Impact of a pulsed supersonic deuterium gas jet on the ELM behaviour in ASDEX Upgrade (2005)

Lang, P.T., Neuhauser, J., Bucalossi, J., Chankin, A., Coster, D.P., Drube, R., ...

Gyrokinetic calculations of particle and impurity transport in ASDEX Upgrade and JET (2005)

Angioni, C., Dannert, T., Dux, R., Giroud, C., Jenko, F., Maggi, C.F., ...

Observations on core turbulence and radial electric field transitions in ASDEX Upgrade using Doppler reflectometry (2005)

Conway, G.D., Angioni, C., Dux, R., Ryter, F., Schirmer, J., Peeters, A., ...

Fast Ion Distribution in the Presence of Magnetic Ripple and Radial Electric Field (2005)

Kurki-Suonio, T., Hynoenen, V., Suttrop, W., Dux, R., ASDEX Upgrade Team

Tungsten: an option for divertor and main chamber plasma facing components in future fusion devices (2005)

Neu, R., Dux, R., Kallenbach, A., Pütterich, T., Balden, M., Fuchs, J. C., ...

Helium exhaust experiments on JET with Type I ELMs in H-mode and with Type III ELMs in ITB discharges (2005)

Cox, S. J., Hellermann, M. G. Von, O'Mullane, M. G., Storck, D., Brix, M., ...

Interaction of ELMs and fast particles with in vessel components in ASDEX Upgrade (2005)

Herrmann, A., Neuhauser, J., Rohde, V., Dux, R., Eich, T., Fuchs, C. J., ...

Plasma surface interaction with tungsten in ASDEX Upgrade (2005)

Dux, R., Herrmann, A., Kallenbach, A., Neu, R., Neuhauser, J., Maier, H., ...

Tungsten Erosion at the Auxiliary Limiters in ASDEX Upgrade (2005)

Dux, R., Bobkov, V., Kallenbach, A., Krieger, K., Neu, R., Puetterich, T., ...

Integrated exhaust scenarios with actively controlled ELMs (2005)

Lang, P. T., Kallenbach, A., Bucalossi, J., Conway, G. D., Degeling, A., Dux, R., ...

Development of an ITER relevant advanced scenario at ASDEX Upgrade (2005)

Gruber, O., Sips, A. C. C., Staebler, A., Dux, R., Hobirk, J., Horton, L. D., ...

Tungsten: An option for divertor and main chamber plasma facing components in future fusion devices (2005)

Neu, R., Dux, R., Kallenbach, A., Maggi, C. F., Pütterich, T., Balden, M., ...

Wall and Divertor Load during ELMy H-mode and Disruptions in ASDEX Upgrade (2005)

Herrmann, A., Neuhauser, J., Pautasso, G., Bobkov, V., Dux, R., Eich, T., ...

Integrated Exhaust Scenarios with Actively Controlled ELMs (2005)

Lang, P. T., Kallenbach, A., Bucalossi, J., Conway, G. D., Degeling, A., Dux, R., ...

The Improved H-Mode at ASDEX-Upgrade: a Candidate for an ITER Hybrid Scenario (2005)

Staebler, A., Sips, A. C. C., Brambilla, M., Bilato, R., Dux, R., Gruber, O., ...

Impurity Transport and Control in ASDEX Upgrade (2005)

Dux, R., Neu, R., Maggi, C. F., Peeters, A. G., Pütterich, T., Pereverzev, G., ...

Overview of ASDEX Upgrade Results (2005)

Günter, S., Angioni, C., Apostoliceanu, M., Atanasiu, C., Balden, M., Becker, G., ...

Anomalous particle and impurity transport in JET and implications for ITER (2005)

Weisen, H., Angioni, C., Bortolon, A., Bourdelle, C., Carraro, L., Coffey, I., ...

Electron Acceleration Near ICRF Antennas (2005)

Petrzilka, V., Fuchs, V., Krlin, L., Colas, L., Goniche, M., Heuraux, S., ...

Performance optimisation in ASDEX Upgrade with ECRH and ECCD (2005)

Leuterer, F., Angioni, C., Dux, R., Gantenbein, G., Guenter, S., Manini, A., ...

Tokamak operation with high-Z plasma facing components. Invited paper (2005)

Kallenbach, A., Neu, R., Dux, R., Fuchs, J. C., Giannone, L., ...

Helium exhaust experiments on JET with Type I ELMs in H-mode and with type III ELMs in ITB discharges (2005)

Zastrow, K. D., Cox, S. J., Von Hellermann, M. G., O'Mullane, M. G., Stork, D., Brix, M., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/45/3/002

Integrated exhaust scenarios with actively controlled ELMs (2005)

Lang, P. T., Kallenbach, A., Bucalossi, J., Conway, G. D., Degeling, A., Dux, R., ...

An integrated radiative high performance scenario has been established at ASDEX Upgrade based on simultaneous feedback control of the average divertor neutral particle and power flux in combination...

Overview of ASDEX Upgrade results - development of integrated operating scenarios for ITER (2005)

GUNTER, S, ANGIONI, C, APOSTOLICEANU, M, ATANASIU, C, BALDEN, M, BECKER, G, ...

Electron Acceleration Near ICRF Antennas (2005)

PETRZILKA, V, FUCHS, V, KRLIN, L, COLAS, L, GONICHE, M, HEURAUX, S, ...

Impurity transport in internal transport barrier discharges on JET (2004)

Dux,R., Giroud,C.

Impurity Control in Improved H-mode Scenarios in ASDEX Upgrade (2004)

Maggi,C. F., Dux,R., Horton,L. D., Neu,R., Nishijima,D., Pütterich,T., ...

Material Transport in ASDEX Upgrade (2004)

Rohde,V., Dux,R., Mayer,M., Neu,R., Pütterich,T., Schneider,W., ...

Operation with the new tungsten divertor: ASDEX Upgrade en route to an all tungsten device (2004)

Neu,R., Dux,R., Kallenbach,A., Eich,T., Herrmann,A., Maggi,C., ...

Z-dependence of impurity transport in steady-state ITB and Hybrid scenario at JET (2004)

Giroud,C., Barnsley,R., Challis,C. D., Coffey,I., Dux,R., Von Hellermann,M., ...

Method to deduce local impurity transport quantities from the evolution of tomographically reconstructed bolometer signals during tracer injection at TJ-II (2004)

Zurro,B., Ochando,M. A., Baciero,A., McCarthy,K. J., Medina,F., López-Sánchez,A., ...

Impurity transport in internal transport barrier discharges on JET (2004)

Dux, R., Giroud, C., JET EFDA Contributors

Impurity Control in Improved H-mode Scenarios in ASDEX Upgrade (2004)

Maggi, C. F., Dux, R., Horton, L. D., Neu, R., Nishijima, D., Pütterich, T., ...

Impurity transport in Tokamak plasmas (2004)

Dux, R.

Material Transport in ASDEX Upgrade (2004)

Rohde, V., Dux, R., Mayer, M., Neu, R., Pütterich, T., Schneider, W., ...

Operation with the new tungsten divertor: ASDEX Upgrade en route to an all tungsten device (2004)

Neu, R., Dux, R., Kallenbach, A., Eich, T., Herrmann, A., Maggi, C., ...

Z-dependence of impurity transport in steady-state ITB and Hybrid scenario at JET (2004)

Giroud, C., Barnsley, R., Challis, C. D., Coffey, I., Dux, R., Von Hellermann, M., ...

Method to deduce local impurity transport quantities from the evolution of tomographically reconstructed bolometer signals during tracer injection at TJ-II (2004)

Zurro, B., Ochando, M. A., Baciero, A., McCarthy, K. J., Medina, F., López-Sánchez, A., ...

Impurity transport in Tokamak plasmas (2004)

Dux, R.

Tungsten as plasma-facing material in ASDEX Upgrade (2003)

Neu,R., Dux,R., Geier,A., Gruber,O., Kallenbach,A., Krieger,K., ...

Accumulation of impurities in advanced scenarios (2003)

Dux,R., Giroud,C., Neu,R., Peeters,A. G., Stober,J., ...

Impurity behaviour in advanced scenarios at ASDEX Upgrade and JET has been investigated. For ASDEX Upgrade improved H-mode plasmas at δ=0.35, accumulation of tungsten and metallic impurities was...

New results from the tungsten programme at ASDEX Upgrade (2003)

Neu,R., Dux,R., Geier,A., Krieger,K., Maier,H., Pugno,R., ...

Since 1998 an increasing area of tungsten coated tiles has been installed at the central column of ASDEX Upgrade, reaching 7.1 m² in 2001/2002. The tiles were coated commercially by plasma arc...

Dependence of particle transport on heating profiles in ASDEX Upgrade (2003)

Stober,J., Dux,R., Gruber,O., Horton,L., Lang,P., Lorenzini,R., ...

The behaviour of the density profiles in ASDEX Upgrade can be described well with the assumption D α χ and a pinch of the order of the neoclassical Ware pinch. The latter is estimated from slowly...

Progress towards steady-state operation and real-time control of internal transport barriers in JET (2003)

Litaudon,X., Becoulet,A., Crisanti,F., Wolf,R. C., Baranov,Yu. F., Barbato,E., ...

In JET, advanced tokamak research mainly focuses on plasmas with internal transport barriers (ITBs) that are strongly influenced by the current density profile. A previously developed optimized shear...

Edge transport and its interconnection with main chamber recycling in ASDEX Upgrade (2003)

Kallenbach,A., Dux,R., Gafert,J., Haas,G., Horton,L. D., Jakobi,M., ...

Edge profiles of electron temperature and density are measured in ASDEX Upgrade with a high spatial resolution of 2–3 mm with Thomson scattering. In the region of the edge transport barrier in ELMy...

Influence of the heating profile on impurity transport in ASDEX Upgrade (2003)

Dux,R., Neu,R., Peeters,A. G., Pereverzev,G., Mück,A., Ryter,F., ...

The transport of silicon has been investigated for various heating scenarios in ASDEX Upgrade H-mode discharges. Inside of r ≈ a/4, the diffusion coefficient D is either mainly neoclassical or...

Role of sawtooth in avoiding impurity accumulation and maintaining good confinement in JET radiative mantle discharges (2003)

Nave,M. F. F., Rapp,J., Bolzonella,T., Dux,R., Mantsinen,M. J., Budny,R., ...

Impurity injection in the JET ELMy H-mode regime has produced high-confinement, quasi-steady-state plasmas with densities close to the Greenwald density. However, at large Ar densities, a sudden loss...

Recent ECRH results in ASDEX Upgrade (2003)

Leuterer,F., Dux,R., Gantenbein,G., Goddman,T., Hobirk,J., Imbeaux,F., ...

We report about experiments in ASDEX Upgrade using our ECRH system with f = 140 GHz, P = 4 x 0.5 MW, and T = 2 sec. The following topics are covered: studies of modulated power deposition, studies of...

Dependence of particle transport on the heating profile in ASDEX Upgrade (2003)

Stober,J., Dux,R., Gruber,O., Horton,L., Maggi,C., Meo,F., ...

The slow peaking of the density profile for high densities with moderate NBI and its disappearance with central ICRH have been reported at the last IAEA conference in Sorrento. Meanwhile a modell...

Progress towards steady-state operation and real time control of internal transport barriers in JET (2003)

Litaudon,X., Bécoulet,A., Crisanti,F., Wolf,R. C., Baranov,Yu. F., Barbato,E., ...

In JET advanced tokamak research mainly focuses on plasmas with internal transport barriers (ITBs), generated by modifications of the current profile. The formerly developed optimised shear regime...

Simulation of the time behaviour of impurities in JET Ar-seeded discharges and its relation with sawtoothing and RF heating (2003)

Puiatti,M. E., Valisa,M., Mattioli,M., Bolzonella,T., Bortolon,A., Coffey,I., ...

In JET, Ar seeding has proven to be a successful means to reach quasi-stationary regimes that feature, simultaneously, high density, high confinement and an edge radiation belt without significant...

An integrated system to measure the effective charge of fusion plasmas in the ASDEX Upgrade tokamak (2003)

Meister,H., Dux,R., Horton,L. D., Kurzan,B., McCarthy,P. J., Zohm,H., ...

At the ASDEX Upgrade tokamak a new approach has been developed to determine the profiles of the effective charge (Zeff) from bremsstrahlung emission in hot fusion plasmas. The signals of all...

Carbon influx studies in the main chamber of ASDEX Upgrade (2003)

Pütterich,T., Dux,R., Gafert,J., Kallenbach,A., Neu,R., Pugno,R., ...

Carbon sources in the main chamber of ASDEX Upgrade, especially the 12 guard limiters at the low field side (LFS), were determined spectroscopically using recently installed lines of sight. Absolute...

Effects of plasma shape on laser blow-off injected impurity transport in TCV (2003)

Scavino,E., Bakos,J. S., Dux,R., Weisen,H., TCV Team,

The extreme shaping capabilities of the TCV tokamak have been used to investigate the effect of plasma geometry on the confinement of non-recycling trace impurities injected by means of the laser...

Transient heat transport studies in JET conventional and advanced tokamak plasmas (2003)

Mantica,P., Coffey,I., Dux,R., Garbet,X., Garzotti,L., Gorini,G., ...

Transient transport studies have long been recognised as a valuable complement to steady-state analysis for the understanding of transport mechanisms. Recently, transient transport data have proved...

Operation of ASDEX Upgrade with Tungsten coated walls (2003)

Rohde,V., Neu,R., Dux,R., Geier,A., Gong,X., Kallenbach,A., ...

An alternative for low-Z materials in the main chamber of a future fusion device are high-Z materials, but the maximal tolerable concentration in the plasma core is restricted. A step by step...

Overview of ASDEX Upgrade results (2003)

Zohm,H., Angioni,C., Arslanbekov,R., Atanasiu,C., Becker,G., Becker,W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Microturbulence, heat, and particle fluxes in JET and DIII-D ITB plasmas with highly reversed magnetic shear (2003)

Budny,R. V., Andre,R., Challis,C. D., Dorland,W., Dux,R., Ernst,D. R., ...

Dependence of Impurity Transport on the Heating Profile in ASDEX Upgrade (2003)

Dux,R., Kirov,K. K., Neu,R., Pereverzev,G., Peeters,A. G., Stober,J., ...

Assessment of Intrinsic Impurity Behaviour in ASDEX Upgrade (2003)

Neu,R., Pugno,R., Rohde,V., Dux,R., Eich,T., Fahrbach,H. U., ...

Effect of ICRH on impurity transport in improved H-mode discharges in ASDEX Upgrade (2003)

Zaniol,B., Maggi,C. F., Carraro,L., Dux,R., Horton,L. D., Nishijima,D., ...

Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator (2003)

Zurro,B., Ochando,M. A., Baciero,A., Dux,R., McCarthy,K. J., Medina,F., ...

Impurity transport in internal transport barrier discharges on JET (2003)

Dux,R., Giroud,C.

Tungsten as plasma-facing material in ASDEX Upgrade (2003)

ASDEX Upgrade Team, Neu, R., Dux, R., Geier, A., Gruber, O., Kallenbach, A., ...

Accumulation of impurities in advanced scenarios (2003)

Dux, R., Giroud, C., Neu, R., Peeters, A. G., Stober, J., ...

Impurity behaviour in advanced scenarios at ASDEX Upgrade and JET has been investigated. For ASDEX Upgrade improved H-mode plasmas at δ=0.35, accumulation of tungsten and metallic impurities was...

New results from the tungsten programme at ASDEX Upgrade (2003)

Neu, R., Dux, R., Geier, A., Krieger, K., Maier, H., Pugno, R., ...

Since 1998 an increasing area of tungsten coated tiles has been installed at the central column of ASDEX Upgrade, reaching 7.1 m² in 2001/2002. The tiles were coated commercially by plasma arc...

Dependence of particle transport on heating profiles in ASDEX Upgrade (2003)

Stober, J., Dux, R., Gruber, O., Horton, L., Lang, P., Lorenzini, R., ...

The behaviour of the density profiles in ASDEX Upgrade can be described well with the assumption D α χ and a pinch of the order of the neoclassical Ware pinch. The latter is estimated from slowly...

Progress towards steady-state operation and real-time control of internal transport barriers in JET (2003)

Litaudon, X., Becoulet, A., Crisanti, F., Wolf, R. C., Baranov, Yu. F., Barbato, E., ...

In JET, advanced tokamak research mainly focuses on plasmas with internal transport barriers (ITBs) that are strongly influenced by the current density profile. A previously developed optimized shear...

Edge transport and its interconnection with main chamber recycling in ASDEX Upgrade (2003)

Kallenbach, A., Dux, R., Gafert, J., Haas, G., Horton, L. D., Jakobi, M., ...

Edge profiles of electron temperature and density are measured in ASDEX Upgrade with a high spatial resolution of 2–3 mm with Thomson scattering. In the region of the edge transport barrier in ELMy...

Influence of the heating profile on impurity transport in ASDEX Upgrade (2003)

Dux, R., Neu, R., Peeters, A. G., Pereverzev, G., Mück, A., Ryter, F., ...

The transport of silicon has been investigated for various heating scenarios in ASDEX Upgrade H-mode discharges. Inside of r ≈ a/4, the diffusion coefficient D is either mainly neoclassical or...

Role of sawtooth in avoiding impurity accumulation and maintaining good confinement in JET radiative mantle discharges (2003)

Nave, M. F. F., Rapp, J., Bolzonella, T., Dux, R., Mantsinen, M. J., Budny, R., ...

Impurity injection in the JET ELMy H-mode regime has produced high-confinement, quasi-steady-state plasmas with densities close to the Greenwald density. However, at large Ar densities, a sudden loss...

Impurity transport in ASDEX Upgrade (2003)

Dux, R.

In the core of a burning fusion plasma, the contamination by impurities has to be kept below a critical level. Understanding and control of impurity transport and accumulation are thus an essential...

Recent ECRH results in ASDEX Upgrade (2003)

Leuterer, F., Dux, R., Gantenbein, G., Goddman, T., Hobirk, J., Imbeaux, F., ...

We report about experiments in ASDEX Upgrade using our ECRH system with f = 140 GHz, P = 4 x 0.5 MW, and T = 2 sec. The following topics are covered: studies of modulated power deposition, studies of...

Dependence of particle transport on the heating profile in ASDEX Upgrade (2003)

Stober, J., Dux, R., Gruber, O., Horton, L., Maggi, C., Meo, F., ...

The slow peaking of the density profile for high densities with moderate NBI and its disappearance with central ICRH have been reported at the last IAEA conference in Sorrento. Meanwhile a modell...

Progress towards steady-state operation and real time control of internal transport barriers in JET (2003)

Litaudon, X., Bécoulet, A., Crisanti, F., Wolf, R. C., Baranov, Yu. F., Barbato, E., ...

In JET advanced tokamak research mainly focuses on plasmas with internal transport barriers (ITBs), generated by modifications of the current profile. The formerly developed optimised shear regime...

Simulation of the time behaviour of impurities in JET Ar-seeded discharges and its relation with sawtoothing and RF heating (2003)

Puiatti, M. E., Valisa, M., Mattioli, M., Bolzonella, T., Bortolon, A., Coffey, I., ...

In JET, Ar seeding has proven to be a successful means to reach quasi-stationary regimes that feature, simultaneously, high density, high confinement and an edge radiation belt without significant...

An integrated system to measure the effective charge of fusion plasmas in the ASDEX Upgrade tokamak (2003)

Meister, H., Dux, R., Horton, L. D., Kurzan, B., McCarthy, P. J., Zohm, H., ...

At the ASDEX Upgrade tokamak a new approach has been developed to determine the profiles of the effective charge (Zeff) from bremsstrahlung emission in hot fusion plasmas. The signals of all...

Carbon influx studies in the main chamber of ASDEX Upgrade (2003)

Pütterich, T., Dux, R., Gafert, J., Kallenbach, A., Neu, R., Pugno, R., ...

Carbon sources in the main chamber of ASDEX Upgrade, especially the 12 guard limiters at the low field side (LFS), were determined spectroscopically using recently installed lines of sight. Absolute...

Effects of plasma shape on laser blow-off injected impurity transport in TCV (2003)

Scavino, E., Bakos, J. S., Dux, R., Weisen, H., TCV Team

The extreme shaping capabilities of the TCV tokamak have been used to investigate the effect of plasma geometry on the confinement of non-recycling trace impurities injected by means of the laser...

Transient heat transport studies in JET conventional and advanced tokamak plasmas (2003)

Mantica, P., Coffey, I., Dux, R., Garbet, X., Garzotti, L., Gorini, G., ...

Transient transport studies have long been recognised as a valuable complement to steady-state analysis for the understanding of transport mechanisms. Recently, transient transport data have proved...

Operation of ASDEX Upgrade with Tungsten coated walls (2003)

Rohde, V., Neu, R., Dux, R., Geier, A., Gong, X., Kallenbach, A., ...

An alternative for low-Z materials in the main chamber of a future fusion device are high-Z materials, but the maximal tolerable concentration in the plasma core is restricted. A step by step...

Overview of ASDEX Upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Microturbulence, heat, and particle fluxes in JET and DIII-D ITB plasmas with highly reversed magnetic shear (2003)

Budny, R. V., Andre, R., Challis, C. D., Dorland, W., Dux, R., Ernst, D. R., ...

Dependence of Impurity Transport on the Heating Profile in ASDEX Upgrade (2003)

Dux, R., Kirov, K.K., Neu, R., Pereverzev, G., Peeters, A.G., Stober, J., ...

Assessment of Intrinsic Impurity Behaviour in ASDEX Upgrade (2003)

Neu, R., Pugno, R., Rohde, V., Dux, R., Eich, T., Fahrbach, H.U., ...

Effect of ICRH on impurity transport in improved H-mode discharges in ASDEX Upgrade (2003)

Zaniol, B., Maggi, C. F., Carraro, L., Dux, R., Horton, L. D., Nishijima, D., ...

Transport Analysis of Impurities Injected by Laser Ablation in the TJ-II Stellarator (2003)

Zurro, B., Ochando, M. A., Baciero, A., Dux, R., McCarthy, K. J., Medina, F., ...

Impurity transport in internal transport barrier discharges on JET (2003)

Dux, R., Giroud, C., JET EFDA Contributors

Role of sawtooth in avoiding impurity accumulation and maintaining good confinement in JET radiative mantle discharges (2003)

Nave, M. F. F., Rapp, J., Bolzonella, T., Dux, R., Mantsinen, M. J., Budny, R., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/10/023

Progress towards steady-state operation and real time control of internal transport barriers in JET (2003)

Litaudon, X., Bécoulet, A., Crisanti, F., Wolf, R. C., Baranov, Y., Barbato, E., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/7/309

Recent ECRH results in ASDEX Upgrade (2003)

Leuterer, F., Dux, R., Gantenbein, G., Goodman, T.P.

Overview of ASDEX upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Effects of plasma shape on laser blow-off injected impurity transport in TCV (2003)

Scavino, E., Bakos, J. S., Dux, R., Weisen, H.

The extreme shaping capabilities of the TCV tokamak have been used to investigate the effect of plasma geometry on the confinement of non-recycling trace impurities injected by means of the laser...

Overview of JET results (2003)

Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...

Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...

Effects of plasma shape on laser blow-off injected impurity transport in TCV (2003)

Scavino, E., Bakos, J.S., Dux, R., Weisen, H.

Dependence of particle transport on heating profiles in ASDEX upgrade (2003)

STOBER, J, DUX, R, GRUBER, O, HORTON, L, LANG, P, LORENZINI, R, ...

Steady state advanced scenarios at ASDEX Upgrade (2002)

Sips,A.C.C., Arslanbekov,R., Atanasiu,C., Becker,W., Becker,G., Behler,K., ...

Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These...

Perturbative transport experiments in JET low or reverse magnetic shear plasmas (2002)

Mantica,P., Gorini,G., Imbeaux,F., Kinsey,J., Sarazin,Y., Budny,R., ...

Perturbative transport experiments have been performed in JET low or reverse magnetic shear plasmas either in conditions of fully developed internal transport barrier (ITB) or during a phase where an...

High density operation at JET by pellet refuelling (2002)

Lang,P. T., Alper,B., Baylor,L. R., Beurskens,M., Cordey,J. G., Dux,R., ...

Several approaches are used at JET to achieve operation at high density with good energy confinement. One of them is the injection of solid fuel pellets to realize efficient particle refuelling by...

Towards fully non-inductive current drive operation in JET (2002)

Litaudon,X., Crisanti,F., Alper,B., Artaud,J. F., Baranov,Y. F., Barbato,E., ...

Quasi-steady operation has been achieved at JET in the high- confinement regime with internal transport barriers (ITBs). The ITB has been maintained up to 11s. This duration, much larger than the...

Real-time control of internal transport barriers in JET (2002)

Mazon,D., Litaudon,X., Moreau,D., Riva,M., Tresset,G., Baranov,Y., ...

We present the results of recent experiments related to real- time control of internal transport barriers (ITBs) in JET. Using a simple criterion to characterize the ITB existence, location and...

Impurity behaviour in the ASDEX Upgrade divertor tokamak with large area tungsten walls (2002)

Neu,R., Dux,R., Geier,A., Kallenbach,A., Pugno,R., Rohde,V., ...

At the central column of ASDEX Upgrade, an area of 5.5 m(2) of graphite tiles was replaced by tungsten-coated tiles representing about two-thirds of the total area of the central column. No negative...

JET quasistationary internal-transport-barrier operation with active control of the pressure profile (2002)

Crisanti,F., Litaudon,X., Mailloux,J., Mazon,D., Barbato,E., Baranov,Y., ...

Quasistationary operation has been achieved on the Joint European Torus tokamak in internal-transport-barrier (ITB) scenarios, with the discharge time limited only by plant constraints. Full current...

Optimization of pellet scenarios for long pulse fuelling to high densities at JET (2002)

Lang,P. T., Alper,B., Baylor,L. R., Beurskens,M., Cordey,J. G., Dux,R., ...

Pellet injection was investigated for its fuelling capability to high densities in ELMy H mode discharges at JET. Applying the high field side launch system, optimized refuelling scenarios were...

High ß plasmoid formation, drift and striations during pellet ablation in ASDEX Upgrade (2002)

Müller,H. W., Dux,R., Kaufmann,M., Lang,P. T., Lorenz,A., Maraschek,M., ...

The ablated material of a frozen hydrogen isotope pellet which is injected into a hot tokamak plasma forms a high beta plasmoid. This diamagnetic plasmoid is accelerated to the magnetic low field...

Progress towards steady-state advanced scenarios in ASDEX Upgrade (2002)

Sips,A. C. C., Conway,G. D., Dux,R., Herrmann,A., Hobirk,J., Gruber,O., ...

Operation of ASDEX Upgrade with a fully tungsten coated central column - Results from experiments and modeling (2002)

Geier,A., Neu,R., Dux,R., Rohde,V., Pugno,R., Krieger,K., ...

Advanced high field side pellet refuelling and mitigation of ELM effects in ASDEX Upgrade (2002)

Lang,P. T., Reich,M., Dux,R., Eich,T., Fattorini,L., Fuchs,J. C., ...

Simulation of the time behaviour of impurities in JET ar-seeded discharges and its relation with sawteething (2002)

Mattioli,M., Puiatti,M. E., Valisa,M., Coffey,I., Dux,R., Monier-Garbet,P., ...

Mitigation of disruptions with fast impurity puff on ASDEX Upgrade (2002)

Pautasso,G., Savtchkov,A., Egorov,S., Dux,R., Gruber,O., ...

Helium ash simulation studies with divertor Helium pumping in JET internal transport barrier discharges (2002)

Brix,M., Dux,R., Giroud,C., Von Hellermann,M., ...

Study of impurity transport injected by laser ablation in the TJ-II (2002)

Zurro,B., Ochando,M. A., McCarthy,P. J., Medina,F., Baciero,A., Dux,R., ...

JET quasistationary internal-transport-barrier operation with active control of the pressure profile (2002)

Crisanti, F., Litaudon, X., Mailloux, J., Mazon, D., Barbato, E., Baranov, Y., ...

Quasistationary operation has been achieved on the Joint European Torus tokamak in internal-transport-barrier (ITB) scenarios, with the discharge time limited only by plant constraints. Full current...

Optimization of pellet scenarios for long pulse fuelling to high densities at JET (2002)

Lang, P. T., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

Pellet injection was investigated for its fuelling capability to high densities in ELMy H mode discharges at JET. Applying the high field side launch system, optimized refuelling scenarios were...

High density operation at JET by pellet refuelling (2002)

Lang, P. T., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

Several approaches are used at JET to achieve operation at high density with good energy confinement. One of them is the injection of solid fuel pellets to realize efficient particle refuelling by...

Towards fully non-inductive current drive operation in JET (2002)

Litaudon, X., Crisanti, F., Alper, B., Artaud, J. F., Baranov, Y. F., Barbato, E., ...

Quasi-steady operation has been achieved at JET in the high- confinement regime with internal transport barriers (ITBs). The ITB has been maintained up to 11s. This duration, much larger than the...

Perturbative transport experiments in JET low or reverse magnetic shear plasmas (2002)

Mantica, P., Gorini, G., Imbeaux, F., Kinsey, J., Sarazin, Y., Budny, R., ...

Perturbative transport experiments have been performed in JET low or reverse magnetic shear plasmas either in conditions of fully developed internal transport barrier (ITB) or during a phase where an...

Real-time control of internal transport barriers in JET (2002)

Mazon, D., Litaudon, X., Moreau, D., Riva, M., Tresset, G., Baranov, Y., ...

We present the results of recent experiments related to real- time control of internal transport barriers (ITBs) in JET. Using a simple criterion to characterize the ITB existence, location and...

High ß plasmoid formation, drift and striations during pellet ablation in ASDEX Upgrade (2002)

Müller, H. W., Dux, R., Kaufmann, M., Lang, P. T., Lorenz, A., Maraschek, M., ...

The ablated material of a frozen hydrogen isotope pellet which is injected into a hot tokamak plasma forms a high beta plasmoid. This diamagnetic plasmoid is accelerated to the magnetic low field...

Impurity behaviour in the ASDEX Upgrade divertor tokamak with large area tungsten walls (2002)

Neu, R., Dux, R., Geier, A., Kallenbach, A., Pugno, R., Rohde, V., ...

At the central column of ASDEX Upgrade, an area of 5.5 m(2) of graphite tiles was replaced by tungsten-coated tiles representing about two-thirds of the total area of the central column. No negative...

Steady state advanced scenarios at ASDEX Upgrade (2002)

Sips, A.C.C., Arslanbekov, R., Atanasiu, C., Becker, W., Becker, G., Behler, K., ...

Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These...

Progress towards steady-state advanced scenarios in ASDEX Upgrade (2002)

Sips, A. C. C., Conway, G. D., Dux, R., Herrmann, A., Hobirk, J., Gruber, O., ...

Operation of ASDEX Upgrade with a fully tungsten coated central column - Results from experiments and modeling (2002)

Geier, A., Neu, R., Dux, R., Rohde, V., Pugno, R., Krieger, K., ...

Advanced high field side pellet refuelling and mitigation of ELM effects in ASDEX Upgrade (2002)

Lang, P. T., Reich, M., Dux, R., Eich, T., Fattorini, L., Fuchs, J. C., ...

Simulation of the time behaviour of impurities in JET ar-seeded discharges and its relation with sawteething (2002)

Mattioli, M., Puiatti, M. E., Valisa, M., Coffey, I., Dux, R., Monier-Garbet, P., ...

Mitigation of disruptions with fast impurity puff on ASDEX Upgrade (2002)

Pautasso, G., Savtchkov, A., Egorov, S., Dux, R., Gruber, O., ...

Helium ash simulation studies with divertor Helium pumping in JET internal transport barrier discharges (2002)

Brix, M., Dux, R., Giroud, C., Von Hellermann, M., ...