I. Coffey

Publication List Details

Period

1995 - 2009

Number

78

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

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...

ELMy H-modes in JET helium-4 plasmas (2004)

McDonald, C., Cordey, J. G., Righi, E., Ryter, F., Saibene, G., Sartori, R., ...

ELMy H-modes in helium-4 plasmas provide valuable information on ELMy H-mode physics as well as a possible early low activation operational phase for next-step tokamaks, such as ITER. With this in...

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...

Comparing scrape-off layer and divertor physics in JET pure He and D discharges (2003)

Pitts,R. A., Andrew,P., Andrew,Y., Becoulet,C., Coffey,I., Coster,D., ...

Though helium plasmas are one option for the low activation phase of ITER, little effort has thus far been devoted to studying them in a large, diverted tokamak. A recent campaign on JET has...

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...

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...

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...

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...

Comparing scrape-off layer and divertor physics in JET pure He and D discharges (2003)

Pitts, R. A., Andrew, P., Andrew, Y., Becoulet, C., Coffey, I., Coster, D., ...

Though helium plasmas are one option for the low activation phase of ITER, little effort has thus far been devoted to studying them in a large, diverted tokamak. A recent campaign on JET has...

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...

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...

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...

Comparing scrape-off layer and divertor physics in JET pure He and D discharges (2003)

Pitts, R. A., Andrew, P., Andrew, Y., Becoulet, M., Coffey, I., Coster, D., ...

Though helium plasmas are one option for the low activation phase of ITER, little effort has thus far been devoted to studying them in a large, diverted tokamak. A recent campaign on JET has...

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...

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...

Energy confinement in steady-state ELMy H-modes in JET (2002)

Cordey,J. G., McDonald,D. C., Borrass,K., Charlet,M., Coffey,I., Kallenbach,A., ...

It is shown statistically that, divertor closure, plasma shaping and density peaking improve the energy confinement of ELMy H-modes, whilst the confinement degrades as the Greenwald density limit is...

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...

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...

Energy confinement in steady-state ELMy H-modes in JET (2002)

Cordey, J. G., McDonald, D. C., Borrass, K., Charlet, M., Coffey, I., Kallenbach, A., ...

It is shown statistically that, divertor closure, plasma shaping and density peaking improve the energy confinement of ELMy H-modes, whilst the confinement degrades as the Greenwald density limit is...

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...

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, 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...

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, 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...

High performance Joint European Torus (JET) plasmas for deuterium-tritium operation with the MkII divertor (1997)

Jones, T. T. C., Adams, J. M., Ageladarakis, P., AliArshad, S., Alper, B., Altmann, H., ...

Planned experiments in the Joint European Torus [Plasma Physics and Controlled Fusion Research, Proceedings, 13th International Conference, Washington, D.C., 1990 (International Atomic Energy Agency,...

Latest JET results in deuterium and deuterium-tritium plasmas (1997)

Adams, J. M., Ageladarakis, P., Arshad, S. A., Alper, B., Altmann, H., Andrew, P., ...

All major JET systems have been fully commissioned for D-T and the DTE1 series of experiments has started with the D-T fuel mixture and operating conditions foreseen for ITER. In the area of ITER...

JET results with the new pumped divertor and implications for ITER (1995)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Andrew, P., AliArshad, S., ...

This paper presents an overview of results of the 1994/95 experimental campaign on JET with the new pumped divertor and draws implications for ITER in the areas of detached and radiative divertor...