L. D. Horton

Details der Publikationsliste

Zeitraum

1983 - 2009

Anzahl

265

Co-Autoren

Chapter 2: Plasma confinement and transport (2007)

Doyle, E. J., Houlberg, W. A., Kamada, Y., Mukhovatov, V., Osborne, T. H., Polevoi, A., ...

The understanding and predictive capability of transport physics and plasma confinement is reviewed from the perspective of achieving reactor-scale burning plasmas in the ITER tokamak, for both core...

Integrated exhaust scenarios with actively controlled ELMs (2005)

Lang, P. T., Kallenbach, A., Bucalossi, J., Conway, G. D., Degeling, A., Dux, R., ...

An integrated radiative high performance scenario has been established at ASDEX Upgrade based on simultaneous feedback control of the average divertor neutral particle and power flux in combination...

Local 3D perturbation experiments for probing the ELM stability (2005)

Lang, P. T., Hobirk, J., Horton, L. D., Kallenbach, A., Maraschek, M., Mertens, V., ...

Empirical estimates indicate that the transient divertor power load induced by type-I ELMs in the standard H-mode ITER scenario might result in intolerably short target life times. Significant...

Frequency control of type-I ELMs by magnetic triggering in ASDEX Upgrade (2004)

Lang, P. T., Degeling, A. W., Lister, J. B., Martin, Y. R., McCarthy, P. J., Sips, A. C. C., ...

Magnetic triggering of edge localized modes (ELMs) was reported first from TCV in ohmic plasmas showing type-III ELMs. This method, showing successful locking of the ELM frequency to an imposed...

ITER-relevant H-mode physics at ASDEX upgrade (2004)

Horton, L. D., Conway, G. D., Degeling, A. W., Eich, T., Kallenbach, A., Lang, P. T., ...

A variety of techniques are being tested on ASDEX Upgrade for avoiding or reducing the divertor energy load caused by ELMs. Quiescent H-mode operation has been improved by operation with recently...

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...

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...

Characteristics of the H-mode pedestal and extrapolation to ITER (2003)

Osborne,T. H., Cordey,J. G., Groebner,R. J., Hatae,T., Hubbard,A., Horton,L. D., ...

The development of a predictive capability for the characteristics of the H-mode pedestal and ELMs is important in predicting tokamak reactor performance. The H-mode pedestal effects core confinement...

ELM-free stationary H-mode plasmas in the ASDEX Upgrade tokamak (2003)

Suttrop,W., Maraschek,M., Conway,G. D., Haas,G., Horton,L. D., ...

ELM-free H-mode plasmas with stationary plasma density and radiation level are obtained in the ASDEX Upgrade tokamak with large clearance between the last closed flux surface and the wall, and...

Energy and particle losses during type-I ELMy H-mode in ASDEX Upgrade (2003)

Urano,H., Suttrop,W., Horton,L. D., Herrmann,A., Fuchs,J. C.

Characteristics of edge-localized mode (ELM) energy and particle losses in type-I ELMy H-mode plasmas on ASDEX Upgrade are investigated by a large data set with as much as possible independent...

Edge transport and its interconnection with main chamber recycling in ASDEX Upgrade (2003)

Kallenbach,A., Dux,R., Gafert,J., Haas,G., Horton,L. D., Jakobi,M., ...

Edge profiles of electron temperature and density are measured in ASDEX Upgrade with a high spatial resolution of 2–3 mm with Thomson scattering. In the region of the edge transport barrier in ELMy...

JET carbon screening experiments using methane gas puffing and its relation to intrinsic carbon impurities (2003)

Strachan,J. D., Fundamenski,W., Charlet,M., Corrigan,G., Erents,K., Gafert,J., ...

JET carbon screening experiments were performed using methane gas injection. L-Mode experiments scanned parameters influencing the JET scrape-off-layer (SOL) and/or intrinsic impurity level. Scaling...

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...

Parameter similarity studies in JET, ASDEX Upgrade and ALCATOR C-Mod (2003)

Suttrop,W. A., Horton,L. D., Hubbard,A. E., McDonald,D., Barnsley,R., Beurskens,M., ...

Similarity plasmas are studied in JET, ASDEX Upgrade and ALCATOR C-Mod to test the validity of dimensional constraints for core profiles and profiles at the plasma edge in H-modes with and without...

An integrated system to measure the effective charge of fusion plasmas in the ASDEX Upgrade tokamak (2003)

Meister,H., Dux,R., Horton,L. D., Kurzan,B., McCarthy,P. J., Zohm,H., ...

At the ASDEX Upgrade tokamak a new approach has been developed to determine the profiles of the effective charge (Zeff) from bremsstrahlung emission in hot fusion plasmas. The signals of all...

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...

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...

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...

Characteristics of the H-mode pedestal and extrapolation to ITER (2003)

Osborne, T. H., Cordey, J. G., Groebner, R. J., Hatae, T., Hubbard, A., Horton, L. D., ...

The development of a predictive capability for the characteristics of the H-mode pedestal and ELMs is important in predicting tokamak reactor performance. The H-mode pedestal effects core confinement...

ELM-free stationary H-mode plasmas in the ASDEX Upgrade tokamak (2003)

Suttrop, W., Maraschek, M., Conway, G. D., Haas, G., Horton, L. D., ...

ELM-free H-mode plasmas with stationary plasma density and radiation level are obtained in the ASDEX Upgrade tokamak with large clearance between the last closed flux surface and the wall, and...

Energy and particle losses during type-I ELMy H-mode in ASDEX Upgrade (2003)

Urano, H., Suttrop, W., Horton, L. D., Herrmann, A., Fuchs, J. C., ASDEX Upgrade Team

Characteristics of edge-localized mode (ELM) energy and particle losses in type-I ELMy H-mode plasmas on ASDEX Upgrade are investigated by a large data set with as much as possible independent...

Edge transport and its interconnection with main chamber recycling in ASDEX Upgrade (2003)

Kallenbach, A., Dux, R., Gafert, J., Haas, G., Horton, L. D., Jakobi, M., ...

Edge profiles of electron temperature and density are measured in ASDEX Upgrade with a high spatial resolution of 2–3 mm with Thomson scattering. In the region of the edge transport barrier in ELMy...

JET carbon screening experiments using methane gas puffing and its relation to intrinsic carbon impurities (2003)

Strachan, J. D., Fundamenski, W., Charlet, M., Corrigan, G., Erents, K., Gafert, J., ...

JET carbon screening experiments were performed using methane gas injection. L-Mode experiments scanned parameters influencing the JET scrape-off-layer (SOL) and/or intrinsic impurity level. Scaling...

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...

Parameter similarity studies in JET, ASDEX Upgrade and ALCATOR C-Mod (2003)

Suttrop, W. A., Horton, L. D., Hubbard, A. E., McDonald, D., Barnsley, R., Beurskens, M., ...

Similarity plasmas are studied in JET, ASDEX Upgrade and ALCATOR C-Mod to test the validity of dimensional constraints for core profiles and profiles at the plasma edge in H-modes with and without...

An integrated system to measure the effective charge of fusion plasmas in the ASDEX Upgrade tokamak (2003)

Meister, H., Dux, R., Horton, L. D., Kurzan, B., McCarthy, P. J., Zohm, H., ...

At the ASDEX Upgrade tokamak a new approach has been developed to determine the profiles of the effective charge (Zeff) from bremsstrahlung emission in hot fusion plasmas. The signals of all...

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...

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 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...

High density operation at JET by pellet refuelling (2002)

Lang,P. T., Alper,B., Baylor,L. R., Beurskens,M., Cordey,J. G., Dux,R., ...

Several approaches are used at JET to achieve operation at high density with good energy confinement. One of them is the injection of solid fuel pellets to realize efficient particle refuelling by...

Transport into and across the scrape-off layer in the ASDEX Upgrade divertor tokamak (2002)

Neuhauser,J., Coster,D., Fahrbach,H. U., Fuchs,J. C., Haas,G., Herrmann,A., ...

The elements of transport into and across the scrape-off layer in the poloidal divertor tokamak ASDEX Upgrade are analysed for different operational regimes with emphasis on enhanced confinement...

Helium and neon enrichment studies in the JET mark IIAP and mark IIGB divertors (2002)

Groth,M., Andrew,P., Fundamenski,W., Guo,H. Y., Hillis,D. L., Hogan,J. T., ...

Adequate helium enrichment and exhaust have been achieved in reactor relevant ELMy H mode plasmas in JET performed in the Mark II divertor geometry. These quantities, describing the retention of...

Optimization of pellet scenarios for long pulse fuelling to high densities at JET (2002)

Lang,P. T., Alper,B., Baylor,L. R., Beurskens,M., Cordey,J. G., Dux,R., ...

Pellet injection was investigated for its fuelling capability to high densities in ELMy H mode discharges at JET. Applying the high field side launch system, optimized refuelling scenarios were...

Local physics basis of confinement degradation in JET ELMy H mode plasmas and implications for tokamak reactors (2002)

Budny,R. V., Alper,B., Borba,D. N., Cordey,J. G., Ernst,D. R., Giraud,C., ...

First results of gyrokinetic analysis of JET ELMy H mode plasmas are presented. ELMy H mode plasmas form the basis of conservative performance predictions for tokamak reactors of the size of ITER....

Local physics basis of confinement degradation in JET ELMy H mode plasmas and implications for tokamak reactors (2002)

Budny, R. V., Alper, B., Borba, D. N., Cordey, J. G., Ernst, D. R., Giraud, C., ...

First results of gyrokinetic analysis of JET ELMy H mode plasmas are presented. ELMy H mode plasmas form the basis of conservative performance predictions for tokamak reactors of the size of ITER....

Helium and neon enrichment studies in the JET mark IIAP and mark IIGB divertors (2002)

Groth, M., Andrew, P., Fundamenski, W., Guo, H. Y., Hillis, D. L., Hogan, J. T., ...

Adequate helium enrichment and exhaust have been achieved in reactor relevant ELMy H mode plasmas in JET performed in the Mark II divertor geometry. These quantities, describing the retention of...

Optimization of pellet scenarios for long pulse fuelling to high densities at JET (2002)

Lang, P. T., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

Pellet injection was investigated for its fuelling capability to high densities in ELMy H mode discharges at JET. Applying the high field side launch system, optimized refuelling scenarios were...

High density operation at JET by pellet refuelling (2002)

Lang, P. T., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

Several approaches are used at JET to achieve operation at high density with good energy confinement. One of them is the injection of solid fuel pellets to realize efficient particle refuelling by...

Transport into and across the scrape-off layer in the ASDEX Upgrade divertor tokamak (2002)

Neuhauser, J., Coster, D., Fahrbach, H. U., Fuchs, J. C., Haas, G., Herrmann, A., ...

The elements of transport into and across the scrape-off layer in the poloidal divertor tokamak ASDEX Upgrade are analysed for different operational regimes with emphasis on enhanced confinement...

Optimization of pellet scenarios for long pulse fuelling to high densities at JET (2002)

Lang, P. R., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

This version is available at the following URL: http://dx.doi.org/10.1088/0029-5515/42/4/303

High density operation at JET by pellet refueling (2002)

Lang, P. R., Alper, B., Baylor, L. R., Beurskens, M., Cordey, J. G., Dux, R., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/44/9/310

Understanding of H mode pedestal characteristics using the multimachine pedestal database (2001)

Hatae, T., Sugihara, M., Hubbard, A. E., Igitkhanov, Y., Kamada, Y., Janeschitz, G., ...

With use of a multimachine pedestal database, essential issues for each regime of ELM types are investigated. They include (i) understanding and prediction of pedestal pressure during type I ELMs, a...

JET radiative mantle experiments in ELMY H-mode (2000)

Strachan, J. D., Budney, R., Coffey, I. H., Dumortier, P., Grisolia, D., Harbour, P. J., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/42/5A/306

Neutral beam stopping and emission in fusion plasmas I : deuterium beams (2000)

Anderson, H., Von Hellermann, M., Hoekstra, R., Horton, L. D., Howman, A. C., König, R. W. T., ...

This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/42/7/304

Boundary Effects on the Dynamics of Channels Generated by Laser-Initiated Discharges. (1998)

Horton,L. D., Gilgenbach,R. M.

The dynamics of unbounded and bounded reduced density channels have been characterized by means of ruby laser schlieren photography. These channels are produced by CO2 laser initiated discharges in...

D-T fusion with ion cyclotron resonance heating in the JET tokamak (1998)

Start, D. F. H., Jacquinot, J., Bergeaud, V., Bhatnagar, V. P., Cottrell, G. A., Clement, S., ...

Ion cyclotron resonance heating (ICRH) experiments have been carried out in JET D-T plasmas using scenarios applicable to reactors. Deuterium minority heating in tritium plasmas is used for the first...

Energy deposition in metals by laser-guided discharges (1983)

Brake, M. L., Gilgenbach, R. M., Horton, L. D., Tucker, John Edward

Experimental and theoretical results are reported concerning energy deposition on metal surfaces by laser-guided discharges (LGD) in argon and nitrogen at atmospheric pressure. These experiments have...