H. R. Koslowski

Publication List Details

Period

1993 - 2009

Number

137

Co-Authors

Partners in the Trilateral Euregio Cluster: (2008)

F. C. Schüller, H. R. Koslowski, A. Krämer-flecken, ...

Large m=2 islands in TEXTOR-94 generally exhibit a considerably peaked electron density inside the island, often together with an enhanced temperature in the island. This is an indication of improved...

Chapter 3: MHD stability, operational limits and disruptions (2007)

Hender, T. C., Wesley, J. C., Bialek, J., Bondeson, A., Boozer, A. H., Buttery, R. J., ...

Progress in the area of MHD stability and disruptions, since the publication of the 1999 ITER Physics Basis document (1999 Nucl. Fusion 39 2137-2664), is reviewed. Recent theoretical and experimental...

Active control of type-I edge-localized modes with n=1 perturbation fields in the JET tokamak (2007)

Liang, Y., Koslowski, H. R., Thomas, P. R., Nardon, E., Alper, B., Andrew, P., ...

Type-I edge-localized modes (ELMs) have been mitigated at the JET tokamak using a static external n=1 perturbation field generated by four error field correction coils located far from the plasma....

Active control of type-I edge localized modes on JET (2007)

Liang, Y., Koslowski, H. R., Thomas, P. R., Nardon, E., Jachmich, S., Alper, B., ...

The operational domain for active control of type-I edge localized modes (ELMs) with an n = 1 external magnetic perturbation field induced by the ex-vessel error field correction coils on JET has...

Tearing mode physics studies applying the dynamic ergodic divertor on TEXTOR (2006)

Koslowski, H. R., Westerhof, E., De Bock, M., Classen, I., Jaspers, R., Kikuchi, Y., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/48/12B/S05

Exploring a small sawtooth regime in Joint European Torus plasmas with counterinjected neutral beams (2006)

Nave, M. F. F., Koslowski, H. R., Coda, S., Graves, J., Brix, M., Buttery, R., ...

During a recent reversed toroidal field (B-T) campaign at the Joint European Torus (JET), experiments were performed to investigate the effect on sawteeth of neutral beam injection (NBI)-driven...

Transport and divertor properties of the dynamic ergodic divertor (2005)

Lehnen, M., Abdullaev, S. S., Biehl, W., Brezinsek, S., Busch, C., Finken, K. H., ...

The definitive version is available at the following Publisher URL: http://www.iop.org .

Observation of the palm tree mode, a new MHD mode excited by type-I ELMs on JET (2005)

Koslowski, H. R., Alper, B., Eich, T., Sharapov, E., Perez, C., Westerhof, E.

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/45/3/006

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

Sawtooth control in fusion plasmas (2005)

Graves, J. P., Buttery, R. J., Coda, J. W., Eriksson, G. G., Gimblett, C. G., Hastie, R. J., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/47/12B/S10

Sawtooth control in fusion plasmas (2005)

Graves, J. P., Angioni, C., Budny, R. V., Buttery, R. J., Coda, S., Eriksson, L. G., ...

Clear observations of early triggering of neo-classical tearing modes by sawteeth with long quiescent periods have motivated recent efforts to control, and in particular destabilize, sawteeth. One...

Type-I ELM precursor modes in JET (2004)

Perez, C., Koslowski, H. R., Huysmans, G. T. A., Smeulders, P., Alper, B., Hender, T. C., ...

This version is available at the following URL: http://stacks.iop.org/0029-5515/44/609

Washboard modes as ELM-related events in JET (2004)

Perez, C. P., Koslowski, H. R., Smeulders, P., Huysmans, G. T. A., Jachmich, S., Eich, T., ...

This version is available at the following Publisher URL: http://stacks.iop.org/0741-3335/46/61

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

Confinement and transport in EC heated RI-mode discharges in TEXTOR (2004)

Hogeweij, G. M. D., Dumortier, P., Van Eester, D., Hoekzema, F. A., Jaspers, R. J. E., Kalupin, D., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/44/4/007

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...

Reduction of divertor heat load in JET ELMy H-modes using impurity seeding techniques (2003)

Rapp,J., Monier-Garbet,P., Andrew,P., Dumortier,P., Eich,T., Fundamenski,W., ...

One of the most severe problems for fusion reactors is the power load on the divertor target plates. In order to reduce the power load in the divertor radiation cooling by seeding of impurities is...

Observations of pre- and postcursor modes of type-I ELMs on JET (2003)

Koslowski,H. R., Perez,C., Alper,B., Eich,T., Hender,T. C., Huysmans,G. T. A., ...

Recent observations of MHD activity in type-I ELMy H-mode discharges on JET have revealed two phenomena: (i) the so-called palm tree mode, a new, snake-like MHD mode at the q=3 surface which is...

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...

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...

Reduction of divertor heat load in JET ELMy H-modes using impurity seeding techniques (2003)

Rapp, J., Monier-Garbet, P., Andrew, P., Dumortier, P., Eich, T., Fundamenski, W., ...

One of the most severe problems for fusion reactors is the power load on the divertor target plates. In order to reduce the power load in the divertor radiation cooling by seeding of impurities is...

Observations of pre- and postcursor modes of type-I ELMs on JET (2003)

Koslowski, H. R., Perez, C., Alper, B., Eich, T., Hender, T.C., Huysmans, G.T.A., ...

Recent observations of MHD activity in type-I ELMy H-mode discharges on JET have revealed two phenomena: (i) the so-called palm tree mode, a new, snake-like MHD mode at the q=3 surface which is...

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...

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

Electron cyclotron resonance heating on TEXTOR (2003)

Westerhof, E., Hogeweij, G. M. D., Hoekzema, J. A., Jaspers, R. J. E., Schüller, F. C., Barth, C. J., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/43/11/009

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...

Improved performance of ELMy H-modes at high density by plasma shaping in JET (2002)

Saibene,G., Sartori,R., Loarte,A., Campbell,D. J., Lomas,P. J., Parail,V., ...

We present the results of experiments in JET to study the effect of plasma shape on high density ELMy H-modes, with geometry of the magnetic boundary similar to that envisaged,for the standard,Q = 10...

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...

Improved performance of ELMy H-modes at high density by plasma shaping in JET (2002)

Saibene, G., Sartori, R., Loarte, A., Campbell, D. J., Lomas, P. J., Parail, V., ...

We present the results of experiments in JET to study the effect of plasma shape on high density ELMy H-modes, with geometry of the magnetic boundary similar to that envisaged,for the standard,Q = 10...

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...

Comparison of L-mode regimes with enhanced confinement by impurity seeding in JET and DIII-D (2002)

Jackson, G. L., Murakami, M., Baker, D. R., Budny, R., De Baar, M. R., Evans, T. E., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/44/9/307

Improved performance of ELMy H-modes at high density by plasma shaping in JET (2002)

Saibene, G., Sartori, R., Loarte, A., Campbell, I. D., Lomas, P. J., Parail, V., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/44/9/301

ELM moderation with ICRF heating on JET (2002)

Maddison, G. P., Snipes, J. A., Chareau, J. M., Conway, G. D., Hutchinson, I. H., Ingesson, L. C., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/44/9/312

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...

ELM moderation with ICRF heating on JET (2002)

Maddison, G. P., Snipes, J. A., Chareau, J. M., Conway, G. D., Hutchinson, I. H., Ingesson, L. C., ...

A high-density, ELM-free, 'enhanced Dalpha' (EDA) H-mode has been demonstrated with Ohmic or RF heating on the Alcator C-Mod device. An allied 'low particle confinement' H-regime was also observed...

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...

Pellet fuelling into radiative improved confinement discharges in TEXTOR-94 (2000)

Hobirk, J., Messiaen, A. M., Finken, K. H., Ongena, J., Brix, M., Jaspers, R., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/40/8/305

MHD activity at the beta-limit in RI-mode discharges on TEXTOR-94 (2000)

Koslowski, H. R., Fuchs, G., Jaspers, R., Krämer-Flecken, A., Messiaen, A., Ongena, J., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/40/4/307

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...

Improved Confinement with Edge Radiative Cooling at High Densities and High Heating Power in TEXTOR (1994)

Messiaen, A. M., Ongena, J., Samm, U., Unterberg, B., Vandenplas, P.E., Van Oost, G., ...

This version is available at http://dx.doi.org/10.1088/0029-5515/34/6/I06 Copyright © IOP Publishing Ltd.

Improved Confinement in TEXTOR (1993)

Ongena, J., Conrads, H., Gaigneaux, M., Messiaen, A. M., Weynants, R. R., Barbian, E., ...

This version is available at http://dx.doi.org/10.1088/0029-5515/33/2/I08 Copyright © IOP Publishing Ltd.