F. Imbeaux

Publication List Details

Period

2001 - 2009

Number

114

Co-Authors

Improved Confinement in JET hybrid discharges (2009)

Hobirk, J., Imbeaux, F., Crisanti, F., Tala, Tuomas Et Al.

36th European Physical Society Conference on Plasma Physics, Sofia, Bulgaria, June 29-July 3, 2009

Core transport studies in jet (2008)

Mantica, P., Corrigan, G., Garbet, X., Imbeaux, F., Lonnroth, J., Parail, V., ...

Fusion Science and Technology Vol.53 Nr.4, 1152 - 1216

Recent progress on the development and analysis of the ITPA global H-mode confinement database (2007)

McDonald, D. C., Cordey, J. G., Thomsen, K., Kardaun, Ojwf, Snipes, J. A., Greenwald, M., ...

This paper describes the updates to and analysis of the International Tokamak Physics Activity (ITPA) Global H-Mode Confinement Database version 3 (DB3) over the period 1994-2004. Global data, for...

Chapter 2: Plasma confinement and transport (2007)

Doyle, E. J., Houlberg, W. A., Kamada, Y., Mukhovatov, V., Osborne, T. H., Polevoi, A., ...

The understanding and predictive capability of transport physics and plasma confinement is reviewed from the perspective of achieving reactor-scale burning plasmas in the ITER tokamak, for both core...

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...

Studies of high frequency hot ion instabilities by means of correlation ECE on Tore Supra (2006)

Udintsev, V. S., Goniche, M., Giruzzi, G., Huysmans, G. T. A., Imbeaux, F., Maget, P., ...

High frequency (> 100 kHz) modes have been observed for the first time in combined LHCD and ICR-heated minority H (D) plasmas on Tore Supra by means of a correlation ECE diagnostic and by fluctuation...

Electron heat transport studies (2006)

Ryter, F., Camenen, Y., DeBoo, J. C., Imbeaux, F., Mantica, P., Regnoli, G., ...

Electron transport in fusion plasmas is intensively studied in coordinated experiments and great progress in physics understanding has been achieved during the past years. A threshold in normalized...

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...

Temperature oscillating regimes in Tore Supra diagnosed by MHD activity (2006)

Maget, P., Imbeaux, F., Giruzzi, G., Udintsev, V. S., Huysmans, G. T. A., Segui, J. L., ...

This paper describes what we can learn on the regimes of spontaneous electron temperature oscillations discovered in Tore Supra from the analysis of MHD activity. Since the first observations of this...

The role of aspect ratio and beta in H-mode confinement scalings (2006)

Kaye, S. M., Valovic, M., Chudnovskiy, A., Cordey, J. G., McDonald, D., Meakins, A., ...

The addition of high power, low aspect ratio data from the NSTX and MAST experiments has motivated a new investigation of the effect of aspect ratio on confinement scaling. Various statistical...

Lower hybrid counter-current drive experiment in JET (2005)

Basiuk, Vincent, Goniche, M., Artaud, J.F., Ekedahl, A., Imbeaux, F., Mailloux, J., ...

Lower hybrid current drive has been demonstrated to be an efficient tool to modify the current profile in order to access to high energy confinement regimes. Counter-current drive could be an...

Lower hybrid counter-current drive experiment in JET (2005)

Basiuk, Vincent, Goniche, M., Artaud, J.F., Ekedahl, A., Imbeaux, F., Mailloux, J., ...

Lower hybrid current drive has been demonstrated to be an efficient tool to modify the current profile in order to access to high energy confinement regimes. Counter-current drive could be an...

Scaling of the energy confinement time with beta and collisionality approaching ITER conditions (2005)

Cordey, J. G., Thomsen, K., Chudnovskiy, A., Kardaun, Ojwf, Takizuka, T., Snipes, J. A., ...

The condition of the latest version of the ELMy H-mode database has been re-examined. It is shown that there is bias in the ordinary least squares regression for some of the variables. To address...

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

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...

MHD stability of fully non inductive discharges in Tore Supra (2004)

Maget, P., Imbeaux, F., Huysmans, G., Moreau, Ph., Ottaviani, M.

During the 2003 experimental campaign, the aim of realizing reliable fully non inductive discharges has been successfully completed in Tore Supra. One the major difficulties in optimizing this...

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...

MHD stability of fully non inductive discharges in Tore Supra (2004)

Maget, P., Imbeaux, F., Huysmans, G., Moreau, Ph., Ottaviani, M.

During the 2003 experimental campaign, the aim of realizing reliable fully non inductive discharges has been successfully completed in Tore Supra. One the major difficulties in optimizing this...

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...

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

Predictive modelling of electron temperature modulation experiments in JET L- and H-mode plasmas (2004)

Mantica, P., Tala, Tuomas, Imbeaux, F., Nora, M., Parail, J., Weiland, J.

31st EPS Conference on Controlled Fusion and Plasma Physics. London 28 June - 2 July 2004. European Conference Abstract Vol. 28G, P-1.153

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...

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...

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...

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...

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...

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...

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,...

Electron heated internal transport barriers in JET (2002)

Hogeweij, G. M. D., Baranov, Y., Conway, G. D., Cortes, S. R., De Baar, M. R., Hawkes, N., ...

By applying lower hybrid current drive (LHCD) for strong electron heating and off-axis current drive starting very early in the discharge, an electron internal transport barrier (eITB) can be...

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...

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...

Experimental studies of electron transport (2001)

Ryter, F., Angioni, C., Beurskens, M., Cirant, S., Hoang, G. T., Hogeweij, G. M. D., ...

Electron transport in tokamaks has many different features which are briefly reviewed. The paper is focused on electron heat transport in conventional tokamak plasmas. An inter-machine comparison...

Hard X-ray CdTe tomography of tokamak fusion plasmas (2001)

Peysson, Y., Coda, S., Imbeaux, F.

A large CdTe-based tomographic system has been installed two years ago on the TORE SUPRA tokamak, for a detailed investigation of the dynamics of fast electrons generated by radio-frequency waves in...

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...