Frequency scaling and localization of geodesic acoustic modes in ASDEX Upgrade (2008)
Conway, G. D., Tröster, C., Scott, B., Hallatschek, K., ASDEX Upgrade Team
Collisional effects on coherent structures of zonal flows and turbulent transport (2004)
Itoh,K., Hallatschek,K., Toda,S., Diamond,P. H., Yagi,M., ...
Collisional effects on coherent structures of zonal flows and turbulent transport (2004)
Itoh,K., Hallatschek,K., Toda,S., Diamond,P. H., Yagi,M., ...
Collisional effects on coherent structures of zonal flows and turbulent transport (2004)
Itoh, K., Hallatschek, K., Toda, S., Diamond, P. H., Yagi, M., ...
Turbulence regulation and stabilization by equilibrium and zonal flows (2003)
McKee,G. R., Fonck,R. J., Jakubowski,M., Burrell,K. H., Carlstrom,T. N., Fenzi,C., ...
Turbulence flows are directly measured in a tokamak plasma by applying time-delay-estimation (TDE) analysis to localized 2-D density fluctuation measurements obtained with Beam Emission Spectroscopy...
Overview of recent Alcator C-Mod research (2003)
Marmar,E. S., Bail,B., Boivin,R. L., Bonoli,P. T., Boswell,C., Bravanec,R., ...
Research on the Alcator C-Mod tokamak [1] is focused on high particle- and power-density plasma regimes to understand particle and energy transport in the core, the dynamics of the H-mode pedestal,...
Experimental characterization of coherent, radially-sheared zonal flows in the DIII-D tokamak (2003)
McKee,G. R., Fonck,R. J., Jakubowski,M., Burrell,K. H., Hallatschek,K., Moyer,R. A., ...
The application of time-delay-estimation techniques to two-dimensional measurements of density fluctuations, obtained with beam emission spectroscopy in DIII-D [J. L. Luxon, Nucl. Fusion 42, 614...
Terry,J. L., Zweben,S. J., Hallatschek,K., LaBombard,B., Maqueda,R. J., Bai,B., ...
The intermittent turbulent transport in the scrape-off-layer (SOL) of Alcator C-Mod [I.H. Hutchinson, R. Boivin, P.T. Bonoli et al., Nucl. Fusion 41, 1391 (2001)] is studied experimentally by imaging...
Terry,J. L., Zweben,S. J., Rudakov,D. L., Boedo,J. A., Hallatschek,K., Maqueda,R. J., ...
The intermittent turbulent transport in the scrape-off-layers of Alcator C-Mod, DIII-D, and NSTX is studied experimentally. On DIII-D the fluctuations of both density and temperature have strongly...
Observation and characterization of radially sheared zonal flows in DIII-D (2003)
McKee,G. R., Fonck,R. J., Jakubowski,M., Burrell,K. H., Hallatschek,K., Moyer,R. A., ...
Zonal flows, thought crucial to the saturation and self-regulation of turbulence and turbulent transport in magnetically confined plasmas, have been observed and characterized in the edge region of...
Turbulence regulation and stabilization by equilibrium and zonal flows (2003)
McKee, G. R., Fonck, R. J., Jakubowski, M., Burrell, K. H., Carlstrom, T. N., Fenzi, C., ...
Turbulence flows are directly measured in a tokamak plasma by applying time-delay-estimation (TDE) analysis to localized 2-D density fluctuation measurements obtained with Beam Emission Spectroscopy...
Overview of recent Alcator C-Mod research (2003)
Marmar, E. S., Bail, B., Boivin, R. L., Bonoli, P. T., Boswell, C., Bravanec, R., ...
Research on the Alcator C-Mod tokamak [1] is focused on high particle- and power-density plasma regimes to understand particle and energy transport in the core, the dynamics of the H-mode pedestal,...
Experimental characterization of coherent, radially-sheared zonal flows in the DIII-D tokamak (2003)
McKee, G. R., Fonck, R. J., Jakubowski, M., Burrell, K. H., Hallatschek, K., Moyer, R. A., ...
The application of time-delay-estimation techniques to two-dimensional measurements of density fluctuations, obtained with beam emission spectroscopy in DIII-D [J. L. Luxon, Nucl. Fusion 42, 614...
Terry, J. L., Zweben, S. J., Hallatschek, K., LaBombard, B., Maqueda, R. J., Bai, B., ...
The intermittent turbulent transport in the scrape-off-layer (SOL) of Alcator C-Mod [I.H. Hutchinson, R. Boivin, P.T. Bonoli et al., Nucl. Fusion 41, 1391 (2001)] is studied experimentally by imaging...
Terry, J. L., Zweben, S. J., Rudakov, D. L., Boedo, J. A., Hallatschek, K., Maqueda, R. J., ...
The intermittent turbulent transport in the scrape-off-layers of Alcator C-Mod, DIII-D, and NSTX is studied experimentally. On DIII-D the fluctuations of both density and temperature have strongly...
Observation and characterization of radially sheared zonal flows in DIII-D (2003)
McKee, G. R., Fonck, R. J., Jakubowski, M., Burrell, K. H., Hallatschek, K., Moyer, R. A., ...
Zonal flows, thought crucial to the saturation and self-regulation of turbulence and turbulent transport in magnetically confined plasmas, have been observed and characterized in the edge region of...
Modulation instability of drift waves (2003)
Hallatschek, K., Diamond, P.H.
The instability of drift waves against zonal flows and streamers is discussed. Unlike in previous treatments, we do not make the assumption that their frequency is resonant with driftwave packets. In...
Experimental characterization of coherent, radially-sheared zonal flows in the DIII-D tokamak (2003)
McKee, George R., Fonck, Raymond J., Jakubowski, M., Burrell, K.H., Hallatschek, K., Moyer, R.A., ...
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...
Overview of recent Alcator C-Mod research (2003)
Marmar, E. S., Bai, B., Boivin, R. L., Bonoli, P. T., Boswell, C., Bravenec, R., ...
Research on the Alcator C-Mod tokamak [1] is focused on high particle- and power-density plasma regimes to understand particle and energy transport in the core, the dynamics of the H-mode pedestal,...
Edge turbulence imaging in the Alcator C-Mod tokamak (2002)
Zweben,S. J., Stotler,D. P., Terry,J. L., LaBombard,B., Greenwald,M., Muterspaugh,M., ...
The two-dimensional (2D) radial vs poloidal structure of edge turbulence in the Alcator C-Mod tokamak [I. H. Hutchinson, R. Boivin, P. T. Bonoli , Nucl. Fusion 41, 1391 (2001)] was measured using...
Edge turbulence imaging in the Alcator C-Mod tokamak (2002)
Zweben, S. J., Stotler, D. P., Terry, J. L., LaBombard, B., Greenwald, M., Muterspaugh, M., ...
The two-dimensional (2D) radial vs poloidal structure of edge turbulence in the Alcator C-Mod tokamak [I. H. Hutchinson, R. Boivin, P. T. Bonoli , Nucl. Fusion 41, 1391 (2001)] was measured using...
Transport control by coherent zonal flows in the core/edge transitional regime (2000)
3D Braginskii turbulence simulations show that the energy flux in the core/edge transition region of a tokamak is strongly modulated - locally and on average - by radially propagating, nearly...
Condensation of microturbulence-generated shear flows into global modes (2000)
In full flux-surface computer studies of tokamak edge turbulence, a spectrum of shear flows is found to control the turbulence level and not just the conventional (0,0)-mode flows. Flux tube domains...
Overview of ASDEX Upgrade results (1997)
KAUFMANN, M, SCHWEINZER, J, ALBRECHT, M, ALEXANDER, M, Asmussen, Katrin, BECKER, G, ...
Observation and characterization of radially sheared zonal flows in DIII-D
McKee,G. R., Fonck,R. J., Jakubowski,M., Burrell,K. H., Hallatschek,K., Moyer,R. A., ...
Observation and characterization of radially sheared zonal flows in DIII-D
McKee, G. R., Fonck, R. J., Jakubowski, M., Burrell, K. H., Hallatschek, K., Moyer, R. A., ...