Scientific Commons: K. Krieger

The South Pole Acoustic Test Setup (SPATS) has been built to evaluate the acoustic characteristics of the South Pole ice in the 10 to 100 kHz frequency range so that the feasibility and specific...

INSTITUTE OF PHYSICS PUBLISHING PLASMA PHYSICS AND CONTROLLED FUSION (2008)

G Counsell, P Coad, C Grisola, C Hopf, W Jacob, A Kirschner, ...

Tritium retention in next step devices and the

Morphology and changes of elemental surface composition of tungsten bombarded with carbon ions (2008)

Bizyukov, I., Mutzke, A., Schneider, R., Gigler, A., Krieger, K.

Effect of surface roughness and substrate material on carbon deposition in tokamak TEXTOR (2008)

Kreter, A., Brezinsek, S., Hirai, T., Kirschner, A., Krieger, K., Mayer, M., ...

Investigation of local carbon transport in the ASDEX Upgrade divertor using 13CH4 puffing (2008)

Pugno, R., Krieger, K., Airila, Markus, Aho-Mantila, L., Kreter, A., Rohde, V., ...

PSI18 - 18th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Toledo, Spain, May 26-30 2008

Feasibility of acoustic neutrino detection in ice: Design and performance of the South Pole Acoustic Test Setup (SPATS) (2008)

S. Boeser, C. Bohm, F. Descamps, J. Fischer, A. Hallgren, ...

Internal report | Preprint

Depth profile reconstruction from rutherford backscattering data (2007)

U. V. Toussaint, K. Krieger, R. Fischer, V. Dose

Abstract. An adaptive kernel method in the Bayesian framework together with a new simulation program for Rutherford backscattering spectroscopy (RBS) have been applied to the analysis of RBS data....

Feasibility of acoustic neutrino detection in ice: First results from the South Pole Acoustic Test Setup (SPATS) (2007)

Böser, S., Bohm, C., Descamps, F., Fischer, J., Hallgren, A., Heller, R., ...

Astrophysical neutrinos in the EeV range (particularly those generated by the interaction of cosmic rays with the cosmic microwave background) promise to be a valuable tool to study astrophysics and...

Operational conditions in a W-clad tokamak (2007)

Neu, R., Hopf, Ch., Kallenbach, A., Pütterich, T., Dux, R., Gruber, O., ...

Final Steps to an All Tungsten Divertor Tokamak (2007)

Neu, R., Bobkov, V., Dux, R., Kallenbach, A., Pütterich, T., Greuner, H., ...

DiMES studies of temperature dependence of carbon erosion and re-deposition in DIII-D divertor (2007)

Rudakov, D.L., Jacob, W., Krieger, K., Litnovsky, A., Philipps, V., West, W.P., ...

Divertor and Midplane Materials Evaluation System in DIII-D (2007)

Wong, C., Rudakov, D., Allain, J., Bastasz, R., Brooks, N., Brooks, J., ...

Plasma-surface interaction, scrape-off layer and divertor physics: Implications for ITER. Invited paper (2007)

Lipschultz, B., Asakura, N., Bonnin, X., Coster, D., Counsell, G., Doerner, R., ...

Formation of deuterium-carbon inventories in gaps of plasma facing components (2007)

Krieger, K., Jacob, W., Rudakov, D., Bastasz, R., Federici, G., Litnovsky, A., ...

Final steps to an all tungsten divertor tokamak (2007)

Neu, R., Bobkov, V., Dux, R., Kallenbach, A., Pütterich, T., Greuner, H., ...

Discharge resolved impurity flux measurements in the edge plasma of ASDEX Upgrade by exposure of collector probes (2007)

Schustereder, W., Krieger, K., Herrmann, A., Rohde, V., ASDEX Upgrade Team

Transition from tungsten erosion to carbon layer deposition with simultaneous bombardment of tungsten by helium and carbon (2007)

Bizyukov, I., Krieger, K.

Operational Conditions in a W-Clad Tokamak (2007)

Neu, R., Hopf, C., Kallenbach, A., Puetterich, T., Dux, R., Greuner, H., ...

Carbon transport, deposition and fuel accumulation in castellated structures exposed in TEXTOR (2007)

Litnovsky, A., Philipps, V., Kirschner, A., Wienhold, P., Sergienko, G., Kreter, A., ...

Tungsten sputtering and accumulation of implanted carbon and deuterium by simultaneous bombardment with D and C ions (2007)

Bizyukov, I., Krieger, K., Azarenkov, A., Levchuk, S., Linsmeier, C.

Chapter 4: Power and particle control (2007)

Loarte, A., Lipschultz, B., Kukushkin, A. S., Matthews, G. F., Stangeby, P. C., Asakura, N., ...

DIVIMP modelling of tungsten impurity transport in ITER (2007)

Schmid, K., Krieger, K., Kukushkin, A., Loarte, A.

Wall conditioning in ASDEX Upgrade (2007)

Rohde, V., Dux, R., Kallenbach, A., Krieger, K., Neu, R., ASDEX Upgrade Team

Plasma-surface interaction, scrape-off layer and divertor physics: implications for ITER (2007)

Lipschultz, B., Bonnin, X., Counsell, G., Kallenbach, A., Kukushkin, A., Krieger, K., ...

Deuterium depth profiling in JT-60U tiles using the D3(He,p)4He resonant nuclear reaction (2007)

Hayashi, T., Sugiyama, K., Krieger, K., Mayer, M., Alimov, V., Tanabe, T., ...

Ion Beam analysis of H/D retention in the near surface layers of JT-60U plasma facing wall tiles (2007)

Sugiyama, K., Hayshi, T., Krieger, K., Mayer, M., Masaki, K., Miya, N., ...

AMS - Sensitive tool used as nuclear safeguard and to diagnose fusion experiments (2007)

Stan-Sion, C., Roth, J., Krieger, K., Enachescu, M., Ertl, K., Lazarev, V., ...

Principal processes occuring at simultaneous bombardment of tungsten by carbon and deuterium ions (2007)

Bizyukov, I., Krieger, K.

Plasma wall interaction and its implication in an all tungsten divertor tokamak. Invited Paper (2007)

Neu, R., Balden, M., Bobkov, V., Dux, R., Gruber, O., Herrmann, A., ...

Castellated structures for ITER: the influence of the shape of castellation on the impurity deposition and fuel accumulation in gaps (2007)

Litnovsky, A., Philipps, V., Wienhold, P., Krieger, K., Sergienko, G., Kreter, A., ...

Feasibility of Acoustic Neutrino Detection in Ice: First Results from the South Pole Acoustic Test Setup (SPATS) 2007-07-03 - 2007-07-11 (2007)

S. Böser, J. Vandenbroucke, C. Bohm, F. Descamps, ...

Contribution to a conf. proceeding (book/online)

SPATS: An acoustic array at the South Pole. 2006-08-28 - 2006-08-31 (2007)

S. Hundertmark, S. Böser, C. Bohm, F. Descamps, ...

Contribution to a conf. proceeding (journal)

Impurity fluxes in the scrape-off layer of ASDEX Upgrade in the full tungsten wall configuration (2007)

Schustereder, W., Herrmann, A., Krieger, K., Rohde, V., ASDEX Upgrade Team

Final Steps to an All Tungsten Divertor Tokamak (2007)

Neu, R., Bobkov, V., Dux, R., Kallenbach, A., Pütterich, T., Greuner, H., ...

Operational conditions in a W-Clad tokamak (2007)

Neu, R., Hopf, Ch., Kallenbach, A., Pütterich, T., Dux, R., Gruber, O., ...

Chapter 4: Power and particle control (2007)

Loarte, A., Lipschultz, B., Kukushkin, A. S., Matthews, G. F., Stangeby, P. C., Asakura, N., ...

Progress, since the ITER Physics Basis publication (ITER Physics Basis Editors et al 1999 Nucl. Fusion 39 2137-2664), in understanding the processes that will determine the properties of the plasma...

Plasma wall interaction and its implication in an all tungsten divertor tokamak (2007)

NEU, R, BALDEN, M, BOBKOV, V, DUX, R, GRUBER, O, HERRMANN, A, ...

Overview of ASDEX Upgrade Results (2007)

GRUBER, O, ANGIONI, C, ATANASIU, C, BALDEN, M, BECKER, G, BECKER, W, ...

Status of the SOUTH POLE ACOUSTIC TEST SETUP (2007)

Boser, S, Bohm, C, Descamps, Freija, Fischer, J, Hallgren, A, Heller, R, ...

Due to the low flux of ultrahigh energetic neutrinos induced in interactions of cosmic rays with the cosmic microwave background, very large instrumented volumes and new registration techniques are...

The South Pole Acoustic Test Setup: Calibrations and lake test (2007)

Boser, S, Bohm, C, Descamps, Freija, Fischer, J, Hallgren, A, Heller, R, ...

In order to detect the small neutrino fluxes expected at ultra-high energies, large volumes of materials have to be instrumented with inexpensive but sensitive acoustic sensors. The South Pole...

SPATS - an acoustic array at the South Pole (2007)

Hundertmark, S, Boser, S, Bohm, C, Descamps, Freija, Fischer, J, Hallgren, A, ...

The detection of extraterrestrial EHE neutrinos requires detection volumes at least one order of magnitude larger than currently constructed km(3) optical neutrino detectors. In ice, it is...

Tritium retention in next step devices and the requirements for mitigation and removal techniques. Invited paper (2006)

Counsell, G., Coad, P., Grisola, C., Hopf, C., Jacob, W., Kirschner, A., ...

Plasma-surface interaction, scrape-off layer and divertor physics: Implications for ITER (2006)

Lipschultz, B., Asakura, N., Bonnin, X., Coster, D., Counsell, G., Doerner, R., ...

A dual beam experiment for simultaneous irradiation of surfaces with ion species of gaseous and solid-state elements (2006)

Bizyukov, I., Krieger, K.

Relevance of surface roughness to tungsten sputtering and carbon implantation (2006)

Bizyukov, I., Krieger, K., Azarenkov, N., Von Toussaint, U.

Tritium retention in next step devices and the requirements for mitigation and removal techniques. Invited paper (2006)

Counsell, G., Coad, P., Grisolia, C., Hopf, C., Jacob, W., Kirschner, A., ...

Tritium retention in next step devices and the requirements for mitigation and removal techniques. Invited paper (2006)

Counsell, G., Coad, P., Grisola, C., Hopf, C., Jacob, W., Kirschner, A., ...

Recent results on carbon erosion, migration and redeposition in the DIII-D tokamak using DiMES (2006)

Rudakov, D., Jacob, W., Krieger, K., Litnovsky, A., Philipps, V., West, W., ...

Tritium retention in next step devices and the requirements for mitigation and removal techniques (2006)

Counsell, G., Coad, P., Grisola, C., Hopf, C., Jacob, W., Kirschner, A., ...

Plasma Physics and Controlled Fusion Vol.48, B189

Carbon chemical erosion in H-mode discharges in ASDEX Upgrade divertor IIb: Flux dependence and local redeposition (2005)

Pugno,R., Krieger,K., Kirschner,A., Kallenbach,A., Coster,D., Dux,R., ...

Modelling of tungsten migration during limiter ramp-down in the ASDEX Upgrade divertor tokamak (2005)

Geier,A., Krieger,K., Neu,R., Coster,D. P., Elder,J. D., Pugno,R., ...

Carbon erosion and deposition on the ASDEX Upgrade divertor tiles (2005)

Mayer,M., Rohde,V., Likonen,J., Vainonen-Ahlgren,E., Krieger,K., Gong,X., ...

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)

Tungsten redistribution patterns in ASDEX Upgrade (2005)

Krieger,K., Likonen,J., Mayer,M., Pugno,R., Rohde,V., Vainonen-Ahlgren,E., ...

Studies on 13C deposition in ASDEX Upgrade (2005)

Vainonen-Ahlgren,E., Likonen,J., Renvall,T., Rohde,V., Neu,R., Mayer,M., ...

Tritium distribution on plasma-facing tiles from ASDEX Upgrade (2005)

Sugiyama,K., Tanabe,T., Krieger,K., Neu,R., Bekris,N.

Formation of D inventories and structural modifications by deuterium bombardment of tungsten thin films (2005)

Bizyukov,I., Krieger,K., Azarenkov,N., Levchuk,S., Linsmeier,Ch.

Tungsten Erosion at the Auxiliary Limiters in ASDEX Upgrade (2005)

Dux,R., Bobkov,V., Kallenbach,A., Krieger,K., Neu,R., Puetterich,T., ...

Report on the 11th European Fusion Physics Workshop (2005)

Campbell,D. J., Becoulet,A., Counsell,G., Federici,G., Imbeaux,F., Kirschner,A., ...

Carbon Deposition and Deuterium Inventory in ASDEX Upgrade (2005)

Mayer,M., Rohde,V., Likonen,J., Vainonen-Ahlgren,E., Chen,J., Gong,X., ...

Overview of ASDEX Upgrade Results (2005)

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

Material erosion and migration in tokamaks (2005)

Pitts,R. A., Coad,J. P., Coster,D. P., Federici,G., Fundamenski,W., Horacek,J., ...

Capabilities of a new Dual Beam Experiment for Simultaneous Irradiation of Materials with Two Ion Species (2005)

Bizyukov,I., Krieger,K., Azarenkov,N.

Carbon chemical erosion in H-mode discharges in ASDEX Upgrade divertor IIb: Flux dependence and local redeposition (2005)

Pugno, R., Krieger, K., Kirschner, A., Kallenbach, A., Coster, D., Dux, R., ...

Modelling of tungsten migration during limiter ramp-down in the ASDEX Upgrade divertor tokamak (2005)

Geier, A., Krieger, K., Neu, R., Coster, D. P., Elder, J. D., Pugno, R., ...

Carbon erosion and deposition on the ASDEX Upgrade divertor tiles (2005)

Mayer, M., Rohde, V., Likonen, J., Vainonen-Ahlgren, E., Krieger, K., Gong, X., ...

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)

Tungsten redistribution patterns in ASDEX Upgrade (2005)

Krieger, K., Likonen, J., Mayer, M., Pugno, R., Rohde, V., Vainonen-Ahlgren, E., ...

Studies on 13C deposition in ASDEX Upgrade (2005)

Vainonen-Ahlgren, E., Likonen, J., Renvall, T., Rohde, V., Neu, R., Mayer, M., ...

Tritium distribution on plasma-facing tiles from ASDEX Upgrade (2005)

Sugiyama, K., Tanabe, T., Krieger, K., Neu, R., Bekris, N.

Formation of D inventories and structural modifications by deuterium bombardment of tungsten thin films (2005)

Bizyukov, I., Krieger, K., Azarenkov, N., Levchuk, S., Linsmeier, Ch.

Tungsten Erosion at the Auxiliary Limiters in ASDEX Upgrade (2005)

Dux, R., Bobkov, V., Kallenbach, A., Krieger, K., Neu, R., Puetterich, T., ...

Report on the 11th European Fusion Physics Workshop (2005)

Campbell, D. J., Becoulet, A., Counsell, G., Federici, G., Imbeaux, F., Kirschner, A., ...

Carbon Deposition and Deuterium Inventory in ASDEX Upgrade (2005)

Mayer, M., Rohde, V., Likonen, J., Vainonen-Ahlgren, E., Chen, J., Gong, X., ...

Overview of ASDEX Upgrade Results (2005)

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

Material erosion and migration in tokamaks. Invited paper (2005)

Pitts, R. A., Coad, J. P., Coster, D. P., Federici, G., Fundamenski, W., Horacek, J., ...

Capabilities of a new Dual Beam Experiment for Simultaneous Irradiation of Materials with Two Ion Species (2005)

Bizyukov, I., Krieger, K., Azarenkov, N.

Material Erosion and Migration in Tokamaks (2005)

Pitts, R.A., Coad, J.P., Coster, D.P., Federici, G., Fundamenski, W., Horacek, J., ...

Report on the 11th European Fusion Physics Workshop (Heraklion, Crete, 8-10 December 2003) (2005)

Campbell, I. D., Bécoulet, A., Counsell, G., Federici, G., Imbeaux, F., Kirschner, A., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/47/8/013

Material erosion and migration in tokamaks (2005)

Pitts, R. A., Coad, J. P., Coster, D. P., Federici, G., Fundamenski, W., Horacek, J., ...

The issue of first wall and divertor target lifetime represents one of the greatest challenges facing the successful demonstration of integrated tokamak burning plasma operation, even in the case 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, ...

INSTITUTE OF PHYSICS PUBLISHING PLASMA PHYSICS AND CONTROLLED FUSION Plasma Phys. Control. Fusion 47 (2005) B303–B322 doi:10.1088/0741-3335/47/12B/S22 Material erosion and migration in tokamaks (2005)

R A Pitts, J P Coad, D P Coster, G Federici, W Fundamenski, J Horacek, ...

The issue of first wall and divertor target lifetime represents one of the greatest challenges facing the successful demonstration of integrated tokamak burning plasma operation, even in the case of...

Tritium distribution on plasma-facing tiles from ASDEX Upgrade. (2005)

Sugiyama, K., Tanabe, T., Krieger, K., Neu, R., Bekris, N.

16th Internat.Conf.on Plasma Surface Interactions in Controlled Fusion Devices (PSI 2004), Portland, Maine, May 24-28, 2004

Tritium distribution on plasma-facing tiles from ASDEX Upgrade. (2005)

Sugiyama, K., Tanabe, T., Krieger, K., Neu, R., Bekris, N.

Journal of Nuclear Materials, 337-339(2005) S.634-38

Surface Layer Deposition in ASDEX Upgrade with a Tungsten Wall as Measured by SIMS, AES and PIXE (2004)

Schneider,W., Rohde,V., Krieger,K., Hildebrandt,D., Neu,R.

Surface Layer Deposition in ASDEX Upgrade with a Tungsten Wall as Measured by SIMS, AES and PIXE (2004)

Schneider, W., Rohde, V., Krieger, K., Hildebrandt, D., Neu, R., ASDEX Upgrade Team

Summer University for Plasma Physics, September 27-October 1, 2004 Garching (2004)

Könies, A., Krieger, K.

Tungsten as plasma-facing material in ASDEX Upgrade (2003)

Neu,R., Dux,R., Geier,A., Gruber,O., Kallenbach,A., Krieger,K., ...

Modeling of tungsten transport in the SOL for sources at the central column of ASDEX Upgrade using DIVIMP (2003)

Geier,A., Krieger,K., Elder,J. D., Pugno,R., Rohde,V.

Tungsten erosion at the central column and tungsten transport in the scrape-off layer of ASDEX Upgrade have been modeled with the 2D Monte-Carlo impurity transport code DIVIMP. The main objectives...

New results from the tungsten programme at ASDEX Upgrade (2003)

Neu,R., Dux,R., Geier,A., Krieger,K., Maier,H., Pugno,R., ...

Since 1998 an increasing area of tungsten coated tiles has been installed at the central column of ASDEX Upgrade, reaching 7.1 m² in 2001/2002. The tiles were coated commercially by plasma arc...

Erosion and migration of tungsten employed at the main chamber first wall of ASDEX Upgrade (2003)

Krieger,K., Geier,A., Gong,B., Maier,H., Neu,R., Rohde,V., ...

In ASDEX Upgrade, tungsten is employed as plasma facing material at the central column of the plasma main chamber. The campaign averaged tungsten erosion flux was determined by measuring the...

An overview of JET edge modelling activities (2003)

Coster,D. P., Bonnin,X., Corrigan,G., Dejarnac,R., Fenstermacher,M., Fundamenski,W., ...

A number of codes are in use at JET to model the edge plasma. The range of edge codes is described as is the range of physics issues being explored by these codes. The balance between focussed...

Plasma-wall interaction and first-wall materials in ASDEX Upgrade (2003)

Neu,R., Kallenbach,A., Krieger,K., Rohde,V., Roth,J.

Experiments dealing with plasma-wall interactions and first-wall materials comprise a significant part of the work program of ASDEX Upgrade. To elucidate carbon chemical erosion under...

Key ITER plasma edge and plasma–material interaction issues (2003)

Federici,G., Andrew,P., Barabashi,P., Brooks,J., Doerner,R., Geier,A., ...

Some of the remaining crucial plasma edge physics and plasma–material interaction issues of the ITER tokamak are discussed in this paper, using either modelling or projections of experimental...

Operation of ASDEX Upgrade with Tungsten coated walls (2003)

Rohde,V., Neu,R., Dux,R., Geier,A., Gong,X., Kallenbach,A., ...

An alternative for low-Z materials in the main chamber of a future fusion device are high-Z materials, but the maximal tolerable concentration in the plasma core is restricted. A step by step...

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...

Modeling of Tungsten Erosion, Deposition and Scrape-Off Layer Transport in ASDEX Upgrade (2003)

Geier,A., Coster,D. P., Elder,J. D., Krieger,K., Pugno,R., Rohde,V., ...

Solid Ion Source Based on Hollow-Cylindrical Magnetron Sputtering Discharges (2003)

Azarenkov,N. A., Bizyukov,A. A., Bizyukov,I. A., Bobkov,V. V., Kashaba,A. Y., Krieger,K., ...

Tungsten as plasma-facing material in ASDEX Upgrade (2003)

ASDEX Upgrade Team, Neu, R., Dux, R., Geier, A., Gruber, O., Kallenbach, A., ...

Modeling of tungsten transport in the SOL for sources at the central column of ASDEX Upgrade using DIVIMP (2003)

Geier, A., Krieger, K., Elder, J. D., Pugno, R., Rohde, V., ASDEX Upgrade Team

Tungsten erosion at the central column and tungsten transport in the scrape-off layer of ASDEX Upgrade have been modeled with the 2D Monte-Carlo impurity transport code DIVIMP. The main objectives...

New results from the tungsten programme at ASDEX Upgrade (2003)

Neu, R., Dux, R., Geier, A., Krieger, K., Maier, H., Pugno, R., ...

Since 1998 an increasing area of tungsten coated tiles has been installed at the central column of ASDEX Upgrade, reaching 7.1 m² in 2001/2002. The tiles were coated commercially by plasma arc...

Erosion and migration of tungsten employed at the main chamber first wall of ASDEX Upgrade (2003)

Krieger, K., Geier, A., Gong, B., Maier, H., Neu, R., Rohde, V., ...

In ASDEX Upgrade, tungsten is employed as plasma facing material at the central column of the plasma main chamber. The campaign averaged tungsten erosion flux was determined by measuring the...

An overview of JET edge modelling activities (2003)

Coster, D. P., Bonnin, X., Corrigan, G., Dejarnac, R., Fenstermacher, M., Fundamenski, W., ...

A number of codes are in use at JET to model the edge plasma. The range of edge codes is described as is the range of physics issues being explored by these codes. The balance between focussed...

Plasma-wall interaction and first-wall materials in ASDEX Upgrade (2003)

Neu, R., Kallenbach, A., Krieger, K., Rohde, V., Roth, J.

Experiments dealing with plasma-wall interactions and first-wall materials comprise a significant part of the work program of ASDEX Upgrade. To elucidate carbon chemical erosion under...

Key ITER plasma edge and plasma–material interaction issues (2003)

Federici, G., Andrew, P., Barabashi, P., Brooks, J., Doerner, R., Geier, A., ...

Some of the remaining crucial plasma edge physics and plasma–material interaction issues of the ITER tokamak are discussed in this paper, using either modelling or projections of experimental...

Operation of ASDEX Upgrade with Tungsten coated walls (2003)

Rohde, V., Neu, R., Dux, R., Geier, A., Gong, X., Kallenbach, A., ...

An alternative for low-Z materials in the main chamber of a future fusion device are high-Z materials, but the maximal tolerable concentration in the plasma core is restricted. A step by step...

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...

Modeling of Tungsten Erosion, Deposition and Scrape-Off Layer Transport in ASDEX Upgrade (2003)

Geier, A., Coster, D.P., Elder, J.D., Krieger, K., Pugno, R., Rohde, V., ...

Solid Ion Source Based on Hollow-Cylindrical Magnetron Sputtering Discharges (2003)

Azarenkov, N. A., Bizyukov, A. A., Bizyukov, I. A., Bobkov, V. V., Kashaba, A. Y., Krieger, K., ...

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...

An overview of JET edge modelling activities (2003)

Coster, D. P., Bonnin, X., Corrigan, G., Dejarnac, R., Fenstermacher, M., Fundamenski, W., ...

A number of codes are in use at JET to model the edge plasma. The range of edge codes is described as is the range of physics issues being explored by these codes. The balance between focussed...

Key ITER plasma edge and plasma-material interaction issues. (2003)

Federici, G., Andrew, P., Barabaschi, P., Brooks, J., Doerner, R., Geier, A., ...

Proc. of the 15th Internat.Conf.on Plasma Surface Interactions in Controlled Fusion Devices (PSI-15), Gifu, J, May 27-31, 2002

Erosion and migration of tungsten employed at the central column heat shield of ASDEX Upgrade (2002)

Krieger,K., Gong,X., Balden,M., Hildebrandt,D., Maier,H., Rohde,V., ...

In ASDEX Upgrade, tungsten was employed as plasma facing material at the central column heat shield in the plasma main chamber. The campaign averaged tungsten erosion flux was determined by measuring...

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...

Determination of the tungsten divertor retention at ASDEX Upgrade using a sublimation probe (2002)

Geier,A., Maier,H., Neu,R., Krieger,K.

For the measurement of the divertor retention at ASDEX Upgrade, a sublimation probe has been built with which it is possible to puff metallic impurities into the divertor plasma. This probe offers...

Impurity behaviour in the ASDEX Upgrade divertor tokamak with large area tungsten walls (2002)

Neu,R., Dux,R., Geier,A., Kallenbach,A., Pugno,R., Rohde,V., ...

At the central column of ASDEX Upgrade, an area of 5.5 m(2) of graphite tiles was replaced by tungsten-coated tiles representing about two-thirds of the total area of the central column. No negative...

Operation of ASDEX Upgrade with a fully tungsten coated central column - Results from experiments and modeling (2002)

Geier,A., Neu,R., Dux,R., Rohde,V., Pugno,R., Krieger,K., ...

Erosion and deposition of tungsten as plasma facing material at the central column heat shield of ASDEX Upgrade (2002)

Gong,X., Krieger,K., Roth,J., Maier,H., Neu,R., Rohde,V., ...

Determination of the tungsten divertor retention at ASDEX Upgrade using a sublimation probe (2002)

Geier, A., Maier, H., Neu, R., Krieger, K., ASDEX Upgrade Team

For the measurement of the divertor retention at ASDEX Upgrade, a sublimation probe has been built with which it is possible to puff metallic impurities into the divertor plasma. This probe offers...

Erosion and migration of tungsten employed at the central column heat shield of ASDEX Upgrade (2002)

Krieger, K., Gong, X., Balden, M., Hildebrandt, D., Maier, H., Rohde, V., ...

In ASDEX Upgrade, tungsten was employed as plasma facing material at the central column heat shield in the plasma main chamber. The campaign averaged tungsten erosion flux was determined by measuring...

Impurity behaviour in the ASDEX Upgrade divertor tokamak with large area tungsten walls (2002)

Neu, R., Dux, R., Geier, A., Kallenbach, A., Pugno, R., Rohde, V., ...

At the central column of ASDEX Upgrade, an area of 5.5 m(2) of graphite tiles was replaced by tungsten-coated tiles representing about two-thirds of the total area of the central column. No negative...

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...

Operation of ASDEX Upgrade with a fully tungsten coated central column - Results from experiments and modeling (2002)

Geier, A., Neu, R., Dux, R., Rohde, V., Pugno, R., Krieger, K., ...

Erosion and deposition of tungsten as plasma facing material at the central column heat shield of ASDEX Upgrade (2002)

Gong, X., Krieger, K., Roth, J., Maier, H., Neu, R., Rohde, V., ...

Summer University for Plasma Physics, September 16-20, 2002 Greifswald (2002)

Krieger, K., Könies, A.

A Comparison of Classical and Predictive Control Algorithms Applied to the Control of Received UHF Power in Mobile Telecommunications (2001)

Nunn, D., Krieger, K., Rogers, E.

A Comparison of Classical and Predictive Control Algorithms Applied to the Control of Received UHF Power in Mobile Telecommunications (2001)

Nunn, D., Krieger, K., Rogers, E.

Plasma–wall interaction at the ASDEX Upgrade tungsten heat shield (2001)

Krieger,K., Maier,H., Neu,R., Rohde,V., Tabasso,A.