[HTML][HTML] Convective transport by intermittent blob-filaments: Comparison of theory and experiment

DA D'ippolito, JR Myra, SJ Zweben - Physics of Plasmas, 2011 - pubs.aip.org
A blob-filament (or simply “blob”) is a magnetic-field-aligned plasma structure which is
considerably denser than the surrounding background plasma and highly localized in the …

Stochastic modeling of intermittent scrape-off layer plasma fluctuations

OE Garcia - Physical review letters, 2012 - APS
Single-point measurements of fluctuations in the scrape-off layer of magnetized plasmas are
generally found to be dominated by large-amplitude bursts which are associated with radial …

Generation of blobs and holes in the edge of the ASDEX Upgrade tokamak

B Nold, GD Conway, T Happel, HW Müller… - Plasma Physics and …, 2010 - iopscience.iop.org
The intermittent character of turbulent transport is investigated with Langmuir probes in the
scrape-off layer and across the separatrix of ASDEX Upgrade Ohmic discharges. Radial …

Stochastic modelling of intermittent fluctuations in the scrape-off layer: Correlations, distributions, level crossings, and moment estimation

OE Garcia, R Kube, A Theodorsen, HL Pécseli - Physics of Plasmas, 2016 - pubs.aip.org
A stochastic model is presented for intermittent fluctuations in the scrape-off layer of
magnetically confined plasmas. The fluctuations in the plasma density are modeled by a …

Intermittent fluctuations in the Alcator C-Mod scrape-off layer

OE Garcia, SM Fritzner, R Kube, I Cziegler… - Physics of …, 2013 - pubs.aip.org
Fluctuations in the boundary region of the Alcator C-Mod tokamak have been analyzed
using gas puff imaging data. It is found that the fluctuation amplitudes in the near scrape-off …

Intermittent fluctuations in the TCV scrape-off layer

OE Garcia, J Horacek, RA Pitts - Nuclear Fusion, 2015 - iopscience.iop.org
Probe measurements in the scrape-off layer of tokamak plasmas show that the ion saturation
current signal is dominated by large amplitude bursts. Analysis of data time series from …

Statistical characterization of blob turbulence across the separatrix in HL-2A tokamak

J Cheng, LW Yan, WY Hong, KJ Zhao… - Plasma Physics and …, 2010 - iopscience.iop.org
Blob statistical characteristics across the separatrix of HL-2A tokamak plasma have been
studied using a reciprocating Langmuir five-probe array. The radial profile of inverse …

Experimental studies of edge turbulence and confinement in Alcator C-Mod

I Cziegler, JL Terry, JW Hughes, B LaBombard - Physics of Plasmas, 2010 - pubs.aip.org
The steep gradient edge region and scrape-off-layer (SOL) on the low-field-side of Alcator C-
Mod [IH Hutchinson, R. Boivin, F. Bombarda et al, Phys. Plasmas 1, 1511 (1994)] tokamak …

Fluctuation statistics in the scrape-off layer of Alcator C-Mod

R Kube, A Theodorsen, OE Garcia… - Plasma Physics and …, 2016 - iopscience.iop.org
We study long time series of the ion saturation current and floating potential, sampled by
Langmuir probes dwelled in the outboard mid-plane scrape-off layer and embedded in the …

Statistical properties of a filtered Poisson process with additive random noise: distributions, correlations and moment estimation

A Theodorsen, OE Garcia, M Rypdal - Physica Scripta, 2017 - iopscience.iop.org
Filtered Poisson processes are often used as reference models for intermittent fluctuations in
physical systems. Such a process is here extended by adding a noise term, either as a …