E. Joffrin

Details der Publikationsliste

Zeitraum

1991 - 2009

Anzahl

200

Co-Autoren

A (2009)

P. Moreau, O. Barana, S. Brémond, J. Bucalossi, E. Chatelier, E. Joffrin, ...

Abstract—Magnetic Fusion Research worldwide is now, with ITER, about to demonstrate the scientific feasibility of fusion energy production. Feedback control of fusion experiment gets more and more...

Internal transport barrier dynamics with plasma rotation in JET, Work Programme (2008)

De Vries, P.C., Joffrin, E., Brix, M.

22nd IAEA Fusion Energy Conference, Geneva, Switzerland, October 13-18, 2008

Critical temperature gradient length signatures in heat wave propagation across internal transport barriers in the Joint European Torus (2007)

Casati, A., Mantica, P., Van Eester, D., Hawkes, N., Imbeaux, F., Joffrin, E., ...

New results on electron heat wave propagation using ion cyclotron resonance heating power modulation in the Joint European Torus (JET) [P. H. Rebut , Nucl. Fusion 25, 1011 (1985)] plasmas...

Analysis and modelling of power modulation experiments in JET plasmas with internal transport barriers (2006)

Marinoni, A., Mantica, P., Van Eester, D., Imbeaux, F., Mantsinen, M., Hawkes, N., ...

Understanding the physics of internal transport barriers (ITBs) is a crucial issue in developing ITER relevant advanced tokamak scenarios. To gain new information on ITBs, RF power modulation...

Impurity-seeded ELMy H-modes in JET, with high density and reduced heat load (2005)

Monier-Garbet, P, Andrew, P, Belo, P, Bonheure, G, Corre, Y, Crombe, K, ...

Experiments performed at JET during the past two years show that, in high triangularity H-mode plasmas with I-p = 2.5 MA, n(e)/n(Gr) approximate to 1.0, it is possible to radiate separately up to...

Impurity seeded ELMy H-modes in JET with high density and reduced heat load (2005)

Monier-Garbet, P., Andrew, Ph., Rapp, J., Belo, P., Bonheure, G., Corre, Y., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/45/11/022

Overview of transport, fast particle and heating and current drive physics using tritium in JET plasmas (2005)

Stork, D., Baranov, Y., Belo, P., Bertalot, L., Borba, D., Brzozowski, J. H., ...

Results are presented from the JET Trace Tritium Experimental (TTE) campaign using minority tritium (T) plasmas (n(T)/n(D) < 3%). Thermal tritium particle transport coefficients (D-T, nu(T)) are...

Overview of recent JET results in preparation for ITER operation: Interplay between technical and scientific progress (2005)

Pamela, J., Ongena, J., Borba, D., Buttery, R., Counsell, G., Felton, R., ...

Recent scientific and technical progress on JET is summarized. The scientific programme on JET over the last 2 years has benefited significantly from various technological developments: advanced real...

Edge localized modes control: experiment and theory (2005)

Becoulet, M., Huysmans, G., Thomas, P., Joffrin, E., Rimini, F., Monier-Garbet, P., ...

The paper reviews recent theoretical and experimental results focussing on the identification of the key factors controlling ELM energy and particle losses both in natural ELMs and in the presence of...

Recent progress in transport modelling of internal transport barrier plasmas in the JET tokamak (2005)

Tala, Tuomas, Bourdelle, C., Imbeaux, F., Moreau, D., Parail, V., Baranov, Y., ...

Proceedings of the XXXIX Annual Conference of the Finnish Physical Society. Espoo, 17 - 19 March 2005. Ruokola, T. & von Boehm J. (Eds.), 158

On parasitic absorption in FWCD experiments in JET ITB plasmas (2005)

Hellsten, T., Laxåback, M., Bergkvist, T., Johnson, T., Meo, F., Mantsinen, M., ...

32nd EPS Conference on Controlled Fusion and Plasma Physics. Tarragona, ES, 27 June - 1 July 2005. Europhysics Conference Abstracts. Vol. 29C, P-5.095

Non-linear temperature oscillations in the plasma centre on Tore Supra and their interplay with MHD (2004)

Udintsev, V.S., Giruzzi, G., Imbeaux, F., Garbet, X., Huysmans, G., ...

Regular oscillations of the central electron temperature have been observed by means of ECE and SXR diagnostics during non-inductively driven discharges on Tore Supra. These oscillations are...

Developement of real time diagnostics and feedback algorithms for JET in view of the next step (2004)

Murari, A., Joffrin, E., Felton, R., Mazon, D., Zabeo, L., Albanese, R., ...

Real time control of many plasma parameters will be an essential aspect in the development of reliable high performance operation of Next Step Tokamaks. The main prerequisites for any feedback scheme...

Towards the realization on JET of an integrated H-mode scenario for ITER (2004)

Ongena, J., Monier-Garbet, P., Suttrop, W., Andrew, Ph., Becoulet, M., Budny, R., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/44/1/015

Non-linear temperature oscillations in the plasma centre on Tore Supra and their interplay with MHD (2004)

Udintsev, V.S., Giruzzi, G., Imbeaux, F., Garbet, X., Huysmans, G., ...

Regular oscillations of the central electron temperature have been observed by means of ECE and SXR diagnostics during non-inductively driven discharges on Tore Supra. These oscillations are...

Developement of real time diagnostics and feedback algorithms for JET in view of the next step (2004)

Murari, A., Joffrin, E., Felton, R., Mazon, D., Zabeo, L., Albanese, R., ...

Real time control of many plasma parameters will be an essential aspect in the development of reliable high performance operation of Next Step Tokamaks. The main prerequisites for any feedback scheme...

Tritium transport experiments on the JET tokamak (2004)

Zastrow, K. D., Adams, J. M., Baranov, Y., Belo, P., Bertalot, L., Brzozowski, J. H., ...

An overview is given of the experimental method, the analysis technique and the results for trace tritium experiments conducted on the JET tokamak in 2003. Observations associated with events such as...

Towards the realization on JET of an integrated H-mode scenario for ITER (2004)

Ongena, J., Monier-Garbet, P., Suttrop, W., Andrew, P., Becoulet, M., Budny, R., ...

ELMy H-mode experiments at JET in 2000/mid-2002 have focused on discharges with normalized parameters for plasma density, energy confinement and beta similar to those of the ITER Q(DT) = 10 reference...

Status of and prospects for advanced tokamak regimes from multi-machine comparisons using the 'International Tokamak Physics Activity' database (2004)

Litaudon, X., Barbato, E., Becoulet, A., Doyle, E. J., Fujita, T., Gohil, P., ...

Advanced tokamak regimes obtained in ASDEX Upgrade, DIII-D, FF-U, JET, JT-60U, TCV and Tore Supra experiments are assessed both in terms of their fusion performance and capability for ultimately...

Hybrid advanced scenarios: perspectives for ITER and new experiments with dominant RF heating (2004)

Gormezano, C., Becoulet, A., Buratti, P., Carraro, L., Crisanti, F., Esposito, B., ...

A 'hybrid' scenario for ITER is defined through its objectives: a large fusion yield for a long time duration. In many tokamaks, discharges characterized by a stationary current density profile,...

Physics of transport in tokamaks (2004)

Garbet, X., Mantica, P., Angioni, C., Asp, E., Baranov, Y., Bourdelle, C., ...

This paper is an overview of recent results relating to turbulent particle and heat transport, and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent particle...

Physics of Transport in Tokamaks (2004)

Garbet, X., Mantica, P., Angioni, C., Asp, E., Baranov, Y., Bourdelle, C., ...

Plasma Physics and Controlled Fusion Vol.46 Nr.12B, B557 - B574

Simultaneous real-time control of the current and pressure profiles in JET: experiments and modelling (2004)

Mazon, D., Murari, A., Ariola, M., Laborde, L., Litaudon, X., Moreau, D., ...

31st EPS Conference on Controlled Fusion and Plasma Physics. London 28 June - 2 July 2004. European Conference Abstract Vol. 28G, P-5.168

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...

Characterization of ion heat conduction in JET and ASDEX Upgrade plasmas with and without internal transport barriers (2003)

Wolf, R. C., Baranov, Y., Garbet, X., Hawkes, N., Peeters, A. G., Challis, C., ...

In ASDEX Upgrade and JET, the ion temperature profiles can be described by R/LTi which exhibits only little variations, both locally, when comparing different discharges, and radially over a wide...

Heating, current drive and energetic particle studies on JET in preparation of ITER operation (2003)

Budny, R., Cardinali, A., Castaldo, C., Cesario, R., Crisanti, F., ...

This paper summarizes the recent work on JET in the three areas of heating, current drive and energetic particles. The achievements have extended the possibilities of JET, have a direct connection to...

Micro-stability and transport modelling of internal transport barriers on JET (2003)

Garbet, X., Baranov, Y., Bateman, G., Benkadda, S., Beyer, P., Crisanti, F., ...

The physics of internal transport barrier (ITB) formation in JET has been investigated using micro-stability analysis, profile modelling and turbulence simulations. The calculation of linear growth...

Internal transport barrier triggering by rational magnetic flux surfaces in tokamaks (2003)

Joffrin, E., Challis, C. D., Conway, G. D., Garbet, X., Gude, A., Günter, S., ...

The formation of internal transport barriers (ITBs) has been experimentally associated with the presence of rational q surfaces in both JET and ASDEX Upgrade. The triggering mechanisms are related to...

Towards the realization on JET of an integrated H-mode scenario for ITER (2003)

Ongena, J., Monier-Garbet, P., Suttrop, W., Andrew, P., Bécoulet, M., Budny, R., ...

ELMy H-Mode experiments at JET since 2000 have focussed on the steady state and simultaneous realization of the ITER QDT=10 requirements in the normalized parameters for density, confinement and...

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...

Improved plasma confinement by ion Bernstein waves (IBWs) interacting with ions in JET (Joint European Torus) (2003)

Castaldo, C., Cesario, R., Andrew, Y., Cardinali, A., Kiptly, V., Mantsinen, M., ...

A new coupling scheme of ion Bernstein waves (IBW) to plasma ions, by mode conversion of fast waves, has been tested in D-³He plasma of the JET tokamak. Injecting 4.8 MW ion cyclotron radio...

Micro-stability and transport modeling of internal transport barriers on JET (2003)

Garbet, X., Baranov, Y., Bateman, G., Benkada, S., Beyer, P., Budny, R., ...

Internal Transport Barriers (ITB's) in tokamak plasmas are a promising way to achieve steady-state plasmas with good confinement properties in a fusion reactor. Despite a large activity in this...

Equilibria and stability of JET discharges with zero core current density (2003)

Stratton, B. C., Hawkes, N. C., Huysmans, G. T. A., Breslau, J. A., Zakharov, L. E., Alper, B., ...

Injection of Lower Hybrid Heating and Current Drive (LHCD) into the current ramp-up phase of JET discharges has produced extremely reversed q-profiles characterized by a core region of near zero...

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...

Edge localized mode physics and operational aspects in tokamaks (2003)

Bécoulet, M., Huysmans, G., Sarazin, Y., Garbet, X., Ghendrih, Ph., Rimini, F., ...

Recent progress in experimental and theoretical studies of edge localized mode (ELM) physics is reviewed for the reactor relevant plasma regimes, namely the high confinement regimes, that is, H-modes...

Application of ICRF waves in tokamaks beyond heating (2003)

Mantsinen, M. J., Gauthier, E., Hoang, G. T., Joffrin, E., Koch, R., ...

Interaction of waves in the ion cyclotron range of frequencies (ICRF) with a plasma has a number of key properties that make them attractive beyond pure heating. First, the waves can interact...

Integrated scenario in JET using real-time profile control (2003)

Joffrin, E., Crisanti, F., Felton, R., Litaudon, X., Mazon, D., Moreau, D., ...

The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange,...

Micro-stability and transport modelling of internal transport barriers on JET (2003)

Garbet, X., Baranov, Y., Bateman, G., Benkadda, S., Bever, P., Budny, R., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/9/323

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...

Heating, current drive and energetic particle studies on JET in preparation of ITER operation (2003)

Noterdaeme, J. M., Budny, R., Cardinali, A., Castaldo, C., Cesario, R., Crisanti, F., ...

This paper summarizes the recent work on JET in the three areas of heating, current drive and energetic particles. The achievements have extended the possibilities of JET, have a direct connection to...

Application of ICRF waves in tokamaks beyond heating (2003)

Mantsinen, M. J., Eriksson, L. G., Gauthier, E., Hoang, G. T., Joffrin, E., Koch, R., ...

Interaction of waves in the ion cyclotron range of frequencies (ICRF) with a plasma has a number of key properties that make them attractive beyond pure heating. First, the waves can interact...

Integrated scenario in JET using real-time profile control (2003)

Joffrin, E., Crisanti, F., Felton, R., Litaudon, X., Mazon, D., Moreau, D., ...

The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange,...

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...

The formation and evolution of extreme shear reversal in JET and its influence on local thermal transport (2002)

Hawkes, N. C., Andrew, Y., Challis, C. D., DeAngelis, R., Drozdov, V., Hobirk, J., ...

In JET discharges where lower hybrid heating and current drive (LHCD) is applied early during the current ramp, a region of the plasma with zero current density is formed near the axis. At the...

q=1 advanced tokamak experiments in JET and comparison with ASDEX Upgrade (2002)

Joffrin, E., Wolf, R., Alper, B., Baranov, Y., Challis, C. D., De Baar, M., ...

The ASDEX Upgrade advanced tokamak scenario with central q close to 1 has been reproduced on JET. For almost identical q profiles, the comparative analysis does show similar features like the...

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...

Progress in internal transport barrier plasmas with lower hybrid current drive and heating in JET (Joint European Torus) (2002)

Mailloux, J., Alper, B., Baranov, Y., Becoulet, A., Cardinali, A., Castaldo, C., ...

In optimized shear plasmas in the Joint European Torus [P. H. Rebut and B. E. Keen, Fusion Technol. 11, 13 (1987)], safety factor (q) profiles with negative magnetic shear are produced by applying...

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...

MHD stability with strongly reversed magnetic shear in JET (2002)

Hender, T. C., Hennequin, P., Alper, B., Hellsten, T., Howell, D. F., Huysmans, G. T. A., ...

Recent operation of JET with centrally strongly reversed magnetic shear, produced with the help of lower hybrid current drive, has extended the domain in which internal transport barriers (ITBs) can...

Recent progress on JET towards the ITER reference mode of operation at high density (2001)

Ongena, J., Suttrop, W., Becoulet, M., Cordey, G., Dumortier, P., Eich, Th., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/43/12A/302

Recent progress on JET towards the ITER reference mode of operation at high density (2001)

Ongena, J., Suttrop, W., Becoulet, M., Cordey, G., Dumortier, P., Eich, T., ...

Recent progress towards obtaining high density and high confinement in JET as required for the ITER reference scenario at Q = 10 is summarized. Plasmas with simultaneous confinement H-98(y.2) = 1 and...

Overview of JET results in support of the ITER physics basis (2001)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Arshad, S., Bainbridge, N., ...

The JET experimental campaign has focused on studies in support of the ITER physics basis. An overview of the results obtained is given for the reference ELMy H mode and advanced scenarios, which in...

Extreme shear reversal in JET discharges (2001)

Hawkes, N., Stratton, B., Baranov, Y., Bolzonella, T., Challis, C., Cortes, S., ...

Proceedings of the 28th EPS Conference on 28th EPS Conference on Controlled Fusion and Plasma Physics. Funchal, Madeira, PT, 18 - 22 June 2001. Europhysics Conference Abstracts, Contributed Papers...

Use of lower hybrid current drive and heating in optimised shear plasmas in JET (2001)

Mailloux, J., Alper, B., Baranov, Y., Barbato, E., Becoulet, A., Cardinali, A., ...

Proceedings of the 28th EPS Conference on 28th EPS Conference on Controlled Fusion and Plasma Physics. Funchal, Madeira, PT, 18 - 22 June 2001. Europhysics Conference Abstracts, Contributed Papers...

Poloidal polarimeter system for current density measurements in ITER (1999)

Donne, A. J. H., Edlington, T., Joffrin, E., Koslowski, H. R., Nieswand, C., Segre, S. E., ...

The polarimeter system for ITER features 10 viewing chords covering almost the full poloidal cross section of the plasma in a fan-like arrangement. The 10 laser beams all enter the plasma via 150 mm...

Lower Hybrid Current Drive in Tore Supra and Jet (1991)

Moreau, D., Gormezano, C., Agarici, G., Agostini, E., Ane, J. M., Auge, N., ...

Recent Lower Hybrid Current Drive (LHCD) experiments in TORE SUPRA and JET are reported. Large multijunction launchers have allowed the coupling of 5 MW to the plasma for several seconds with a...