43 citations · 177 across the 12 of their papers we have counts for
12 papers
Intermittency of density fluctuations and zonal-flow generation in MAST edge plasmas
A. Sladkomedova, I. Cziegler, A. R. Field +5
The properties of the edge ion-scale turbulence are studied using the beam emission spectroscopy (BES) diagnostic on MAST. Evidence of the formation of large-scale high-amplitude c…
Identity of the JET M-mode and the ASDEX Upgrade I-phase phenomena
D. I. Réfy, E. R. Solano, N. Vianello +11
An H-mode plasma state free of edge-localized mode (ELM), close to the L-H transition with clear density and temperature pedestal has been observed both at the Joint European Torus…
Global scaling of the heat transport in fusion plasmas
Sara Moradi, Johan Anderson, Michele Romanelli +2
A global heat flux model based on a fractional derivative of plasma pressure is proposed for the heat transport in fusion plasmas. The degree of the fractional derivative of the he…
Micro-Faraday cup matrix detector for ion beam measurements in fusion plasmas
Dániel Imre Réfy, Sándor Zoletnik, Dániel Dunai +9
Atomic Beam Probe (ABP) is an extension of the routinely used Beam Emission Spectroscopy (BES) diagnostic for plasma edge current fluctuation measurement at magnetically confined p…
Overview of recent physics results from MAST
A Kirk, J Adamek, RJ Akers +160
New results from MAST are presented that focus on validating models in order to extrapolate to future devices. Measurements during start-up experiments have shown how the bulk ion…
Pellet fuelling with edge-localised modes controlled by external magnetic perturbations in MAST
M Valovic, L Garzotti, C Gurl +6
The fuelling of plasmas by shallow frozen pellets with simultaneous mitigation of edge localised modes (ELM) by external magnetic perturbation is demonstrated on the MAST tokamak.…
Measurement of high-k density fluctuation wavenumber spectrum in MAST and Doppler backscattering for spherical tokamaks
J. C. Hillesheim, N. A. Crocker, W. A. Peebles +7
The high-k () wavenumber spectrum of density fluctuations has been measured for the first time in MAST [B. Lloyd et al, Nucl. Fusion 43, 1665 (…
Current understanding of the processes underlying the triggering of and energy loss associated with type I ELMs
A. Kirk, D. Dunai, M. Dunne +7
The type I ELMy H-mode is the baseline operating scenario for ITER. While it is known that the type I ELM ultimately results from the peeling-ballooning instability, there is growi…
Comparison of BES measurements of ion-scale turbulence with direct, gyrokinetic simulations of MAST L-mode plasmas
A R Field, D Dunai, Y-c Ghim +7
Observations of ion-scale (k_y*rho_i <= 1) density turbulence of relative amplitude dn_e/n_e <= 0.2% are available on the Mega Amp Spherical Tokamak (MAST) using a 2D (8 radial x 4…
Experimental Signatures of Critically Balanced Turbulence in MAST
Y. -c. Ghim, A. A. Schekochihin, A. R. Field +8
Beam Emission Spectroscopy (BES) measurements of ion-scale density fluctuations in the MAST tokamak are used to show that the turbulence correlation time, the drift time associated…
Calculation of spatial response of 2D BES diagnostic on MAST
Y. -c. Ghim, A. R. Field, S. Zoletnik +1
The Beam Emission Spectroscopy (BES) turbulence diagnostic on MAST is to be upgraded in June 2010 from a 1D trial system to a 2D imaging system (8 radial \times 4 poloidal channels…
Measurement and physical interpretation of the mean motion of turbulent density patterns detected by the BES system on MAST
Y. -c. Ghim, A. R. Field, D. Dunai +4
The mean motion of turbulent patterns detected by a two-dimensional (2D) beam emission spectroscopy (BES) diagnostic on the Mega Amp Spherical Tokamak (MAST) is determined using a…