M. Valisa

Publication List Details

Period

2001 - 2009

Number

76

Co-Authors

Radio-frequency power injection and impurity profile control in JET (2009)

Valisa, M., Angioni, C., Carraro, L., Coffey, I., Giroud, C., Predebon, I., ...

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

1 RFX: new tools for real-time MHD control FT/P7-9 (2008)

F. Gnesotto, A. Luchetta, G. Marchiori, R. Piovan, P. Sonato, A. Alfier, ...

Abstract. RFX has been recently modified to improve its capability of controlling different MHD phenomena by means of fast, feedback controlled amplifiers and distributed radial field inductors. The...

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

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding - art. no. 055905 (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...

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...

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

Calibration of the charge exchange recombination spectroscopy diagnostic for core poloidal rotation velocity measurements on JET (2004)

Crombe, K, Andrew, Y, Giroud, C, Hawkes, N, Murari, A, Valisa, M, ...

This article describes recent improvements in the measurement of C6+ impurity ion poloidal rotation velocities in the core plasma of JET using charge exchange recombination spectroscopy. Two...

On the Probability distribution function of particle density at the edge of fusion devices (2004)

Sattin, F., Vianello, N., Valisa, M.

The Probability Distribution Function (PDF) Pn(n) of the particle density at the edge of several magnetic fusion devices, including tokamaks, stellarators, and linear devices, is known to be strongly...

Predictive modelling of the impact of argon injection on H-mode plasmas in JET with the RITM code (2004)

Unterberg, B., Kalupin, D., Tokar, M. Z., Corrigan, G., Dumortier, P., Huber, A., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/46/5A/026

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

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...

Impurity-seeded plasma experiments on JET (2003)

Maddison,G. P., Brix,M., Budny,R., Charlet,M., Coffey,I., Cordey,J. G., ...

Scaling to larger tokamaks of high confinement plasmas with radiating edges, induced by impurities, is being studied through internationally collaborative experiments on JET. In campaigns till the...

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...

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...

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...

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...

Impurity-seeded plasma experiments on JET (2003)

Maddison, G. P., Brix, M., Budny, R., Charlet, M., Coffey, I., Cordey, J. G., ...

Scaling to larger tokamaks of high confinement plasmas with radiating edges, induced by impurities, is being studied through internationally collaborative experiments on JET. In campaigns till the...

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...

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...

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...

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...

Impurity-seeded plasma experiments on JET (2003)

Maddison, G. P., Brix, M., Budny, R., Charlet, M., Coffey, I. H., Cordey, J. G., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/1/306

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...

Confinement properties of high density impurity seeded ELMy H- mode discharges at low and high triangularity on JET (2002)

Dumortier,P., Andrew,P., Bonheure,G., Budny,R. V., Buttery,R., Charlet,M., ...

The design value for ITER is based on operation at n/n(GW) = 0.85, beta(n) = 1.8 and H98(y, 2) = 1. These values have been routinely achieved in JET in argon seeded ELMy H-mode discharges in...

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...

High density, high performance high-confinement-mode plasmas in the Joint European Torus (JET) (2002)

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

Recent experiments at the Joint European Torus [Rebut , Fusion Eng. Des. 22, 7 (1993)] aim to improve confinement quality in high-confinement-mode (H-mode) plasmas at high densities. Energy...

Confinement properties of high density impurity seeded ELMy H- mode discharges at low and high triangularity on JET (2002)

Dumortier, P., Andrew, P., Bonheure, G., Budny, R. V., Buttery, R., Charlet, M., ...

The design value for ITER is based on operation at n/n(GW) = 0.85, beta(n) = 1.8 and H98(y, 2) = 1. These values have been routinely achieved in JET in argon seeded ELMy H-mode discharges in...

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...

High density, high performance high-confinement-mode plasmas in the Joint European Torus (JET) (2002)

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

Recent experiments at the Joint European Torus [Rebut , Fusion Eng. Des. 22, 7 (1993)] aim to improve confinement quality in high-confinement-mode (H-mode) plasmas at high densities. Energy...

Radiation pattern and impurity transport in argon seeded ELMy H-mode discharges in JET (2002)

Puiatti, M. E., Mattioli, M., Telesca, V. M., Valisa, M., Coffey, I. H., Dumortier, P., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/44/9/305

High density, high performance high-confinement-mode plasmas in the Joint European Torus (JET) (2002)

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

Recent experiments at the Joint European Torus [Rebut , Fusion Eng. Des. 22, 7 (1993)] aim to improve confinement quality in high-confinement-mode (H-mode) plasmas at high densities. Energy...

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...