Scientific Commons: S. Saarelma

Observation of confined current ribbon in JET plasmas (2009)

Solano, E. R., Lomas, P. J., Alper, B., Xu, G. S., Andrew, Y., Arnoux, G., ...

we report the identification of a localised current structure inside the JET plasma. It is a field aligned closed helical ribbon, carrying current in the same direction as the background current...

Pedestal stability comparison and ITER pedestal prediction (2009)

Snyder, P. B., Aiba, N., Beurskens, M., Groebner, R. J., Horton, L. D., Hubbard, A. E., ...

Overview of physics results from MAST (2009)

Meyer, H., Akers, R. J., Alladio, F., Appel, L. C., Axon, K. B., Ben Ayed, N., ...

Overview of ELM control by low n magnetic perturbations on JET (2009)

Liang, Y., Koslowski, H. R., Jachmich, S., Nardon, E., Alfier, A., Eich, T., ...

Overview of ELM control by low n magnetic perturbations on JET (2009)

Liang, Y., Koslowski, H. R., Jachmich, S., Nardon, E., Alfier, A., Eich, T., ...

High Temperature Pedestals in JET and confined current filaments (2009)

Solano, E. R., Lomas, P. J., Alper, B., Xu, G., Andrew, Y., Arnoux, G., ...

Development of the "HYBRID" Scenario in JET (2009)

Joffrin, E., Hobirk, J., Brix, M., Buratti, P., Buttery, R. J., Challis, C. D., ...

Pedestal and ELM response to impurity seeding in JET advanced scenario plasmas (2008)

Beurskens, M. N. A., Arnoux, G., Brezinsek, A. S., Challis, C. D., De Vries, P. C., Grioud, C., ...

Global Turbulence Simulations of CYCLONE Base Case and MAST Plasmas (2008)

Saarelma, S., Akers, R., Reshko, M., Roach, C. M., Romanelli, M., Thyagarajaa, A., ...

Sawtooth control using off-axis NBI (2008)

Chapman, I.T., Jenkins, I., Budny, R. V., Graves, J.P., Pinches, S. D., Saarelma, S.

Multimachine Extrapolation of Neoclassical Tearing Mode Physics to ITER (2008)

Buttery, R.J., Gerhardt, S., Isayama, A., La Haye, R.J., Strait, E.J., Brennan, D.P., ...

Modeling sawtooth stabilization by energetic ions from neutral beam injection (2007)

Chapman, I. T., Pinches, S. D., Appel, L. C., Hastie, R. J., Hender, T. C., Saarelma, S., ...

Recent advances in modeling the effects of anisotropic energetic ion distributions have enabled the development of a complete coherent physics explanation of sawtooth stabilization in both...

H-mode physics of near double null plasmas in MAST and its applications to other tokamaks (2006)

Meyer,H., Carolan,P. G., Conway,G. D., Cunningham,G., Horton,L. D., Kirk,A., ...

H-mode physics of near double null plasmas in MAST and its applications to other tokamaks (2006)

Meyer, H., Carolan, P. G., Conway, G. D., Cunningham, G., Horton, L. D., Kirk, A., ...

Filament structures at the plasma edge on MAST. Invited paper (2006)

Kirk, A., Ben Ayed, N., Counsell, G., Dudson, B., Eich, T., Herrmann, A., ...

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)

Edge localized modes control: experiment and theory (2005)

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

MHD stability analysis of diagnostic optimized configuration shots in JET (2005)

Saarelma,S., Parail,V., Andrew,Y., Kallenbach,A., Kempenaars,M., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...

H-mode transition physics close to double null on MAST and its applications to other tokamaks (2005)

Meyer,H., Carolan,P. G., Conway,G. D., Cunningham,G., Horton,L. D., Kirk,A., ...

Overview of ASDEX Upgrade Results (2005)

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

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)

Edge localized modes control: experiment and theory (2005)

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

MHD stability analysis of diagnostic optimized configuration shots in JET (2005)

Saarelma, S., Parail, V., Andrew, Y., Kallenbach, A., Kempenaars, M., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...

H-mode transition physics close to double null on MAST and its applications to other tokamaks (2005)

Meyer, H., Carolan, P. G., Conway, G. D., Cunningham, G., Horton, L. D., Kirk, A., ...

Overview of ASDEX Upgrade Results (2005)

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

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...

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, ...

High frequency MHD activity related to type I ELMs in ASDEX Upgrade (2004)

Bolzonella,T., Zohm,H., Maraschek,M., Martines,E., Saarelma,S., Günter,S., ...

Edge stability analysis of high βp plasmas (2004)

Saarelma,S., Günter,S.

High frequency MHD activity related to type I ELMs in ASDEX Upgrade (2004)

Bolzonella, T., Zohm, H., Maraschek, M., Martines, E., Saarelma, S., Günter, S., ...

Edge stability analysis of high βp plasmas (2004)

Saarelma, S., Günter, S.

ELM frequency control by continuous small pellet injection in ASDEX Upgrade (2003)

Lang,P. T., Neuhauser,J., Horton,L. D., Eich,T., Fattorini,L., Fuchs,J. C., ...

Injection of cryogenic deuterium pellets has been successfully applied in ASDEX Upgrade for external edge localized mode (ELM) frequency control in type-I ELMy H-mode discharge scenarios. A pellet...

Neoclassical tearing modes on ASDEX Upgrade: improved scaling laws, high confinement at high βN and new stabilization experiments (2003)

Günter,S., Gantenbein,G., Gude,A., Igochine,V., Maraschek,M., Mück,A., ...

In this paper, recent results on the physics of neoclassical tearing modes (NTMs) achieved on ASDEX Upgrade are reported. A scaling law for NTM decay has been found, showing that the minimum local...

MHD stability analysis of type II ELMs in ASDEX Upgrade (2003)

Saarelma,S., Günter,S., Horton,L. D.

We investigated the differences between type I and type II edge localized modes (ELMs) in ASDEX Upgrade using the MHD stability analysis. When plasma conditions are changed from typical type I ELMy...

Tolerable ELMs in conventional and advanced scenarios at ASDEX Upgrade (2003)

Gruber,O., Günter,S., Herrmann,A., Horton,L. D., Lang,P. T., Maraschek,M., ...

Recent ASDEX Upgrade experiments integrated benign type II ELMs (tolerable peak heat loads on target plates) with high performance. In both conventional and advanced H-modes, the operation window...

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...

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...

MHD Stability Analysis of ASDEX Upgrade H-mode Plasmas in Various ELMy and ELM-Free Regimes (2003)

Saarelma,S., Günter,S., Horton,L., Kurki-Suonio,T., Lang,P., Suttrop,W., ...

ELM frequency control by continuous small pellet injection in ASDEX Upgrade (2003)

Lang, P. T., Neuhauser, J., Horton, L. D., Eich, T., Fattorini, L., Fuchs, J. C., ...

Injection of cryogenic deuterium pellets has been successfully applied in ASDEX Upgrade for external edge localized mode (ELM) frequency control in type-I ELMy H-mode discharge scenarios. A pellet...

Neoclassical tearing modes on ASDEX Upgrade: improved scaling laws, high confinement at high βN and new stabilization experiments (2003)

Günter, S., Gantenbein, G., Gude, A., Igochine, V., Maraschek, M., Mück, A., ...

In this paper, recent results on the physics of neoclassical tearing modes (NTMs) achieved on ASDEX Upgrade are reported. A scaling law for NTM decay has been found, showing that the minimum local...

MHD stability analysis of type II ELMs in ASDEX Upgrade (2003)

Saarelma, S., Günter, S., Horton, L. D., ASDEX Upgrade Team

We investigated the differences between type I and type II edge localized modes (ELMs) in ASDEX Upgrade using the MHD stability analysis. When plasma conditions are changed from typical type I ELMy...

Tolerable ELMs in conventional and advanced scenarios at ASDEX Upgrade (2003)

Gruber, O., Günter, S., Herrmann, A., Horton, L. D., Lang, P. T., Maraschek, M., ...

Recent ASDEX Upgrade experiments integrated benign type II ELMs (tolerable peak heat loads on target plates) with high performance. In both conventional and advanced H-modes, the operation window...

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...

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...

MHD Stability Analysis of ASDEX Upgrade H-mode Plasmas in Various ELMy and ELM-Free Regimes (2003)

Saarelma, S., Günter, S., Horton, L., Kurki-Suonio, T., Lang, P., Suttrop, W., ...

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...

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...

Neoclassical tearing modes on ASDEX upgrade: improved scaling laws, high confinement at high, beta N and new stabilization experiments (2003)

Gunter, S., Gantenbein, G., Gude, A., Igochine, V., Maraschek, M., Muck, A., ...

In this paper, recent results on the physics of neoclassical tearing modes (NTMs) achieved on ASDEX Upgrade are reported. A scaling law for NTM decay has been found, showing that the minimum local...

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...

Dependence of H-mode pedestal parameters on plasma magnetic geometry (2002)

Horton,L. D., Hatae,T., Hubbard,A., Janeschitz,G., Kamada,Y., Kurzan,B., ...

MHD stability analysis of type II ELMs in ASDEX Upgrade (2002)

Saarelma,S., Günter,S., Kiviniemi,T., Kurki-Suonio,T.

An MHD stability analysis of the plasmas with type 11 ELMs is presented. The stability properties in type 11 ELMy plasmas (high-q(95), high delta) are found to significantly differ from those of the...

Bolzonella,T., Martines,E., Maraschek,M., Zohm,H., Günter,S., Saarelma,S., ...

Pedestal physics at ASDEX Upgrade (2002)

Horton,L. D., Fuchs,J. C., Günter,S., Jakobi,M., Kurzan,B., McCarthy,P. J., ...

Dependence of H-mode pedestal parameters on plasma magnetic geometry (2002)

Horton, L. D., Hatae, T., Hubbard, A., Janeschitz, G., Kamada, Y., Kurzan, B., ...

MHD stability analysis of type II ELMs in ASDEX Upgrade (2002)

Saarelma, S., Günter, S., Kiviniemi, T., Kurki-Suonio, T., ASDEX Upgrade Team

An MHD stability analysis of the plasmas with type 11 ELMs is presented. The stability properties in type 11 ELMy plasmas (high-q(95), high delta) are found to significantly differ from those of the...

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...

Bolzonella, T., Martines, E., Maraschek, M., Zohm, H., Günter, S., Saarelma, S., ...

Pedestal physics at ASDEX Upgrade (2002)

Horton, L. D., Fuchs, J. C., Günter, S., Jakobi, M., Kurzan, B., McCarthy, P. J., ...

Simulations of heat loads on plasma facing components (2002)

Airila, M., Dumbrajs, O., Heikkinen, Jukka, Karttunen, Seppo, Kiviniemi, T., Kurki-Suonio, T., ...

IAEA-CN-94/EX/P1-22

Overview of ASDEX Upgrade Results (2001)

Gruber, O., Arslanbekov, R., Atanasiu, C., Bard, A., Becker, G., Becker, W., ...

MHD Stability Analysis of Type II ELMs in ASDEX Upgrade (2001)

Saarelma, S., Günter, S., Kiniviemi, T., Kurki-Suonio, T., ASDEX Upgrade Team

MHD Phenomena in Advanced Scenarios on ASDEX Upgrade and the Influence of Localized Electron Heating and Current Drive (2001)

Günter, S., Gude, A., Hobirk, J., Maraschek, M., Saarelma, S., Schade, S., ...