Theory-based scaling laws of near and far scrape-off layer widths in single-null L-mode discharges

M Giacomin, A Stagni, P Ricci, JA Boedo… - Nuclear …, 2021 - iopscience.iop.org
Abstract Theory-based scaling laws of the near and far scrape-off layer (SOL) widths are
analytically derived for L-mode diverted tokamak discharges by using a two-fluid model. The …

[HTML][HTML] Stochastic modeling of blob-like plasma filaments in the scrape-off layer: Theoretical foundation

JM Losada, A Theodorsen, OE Garcia - Physics of Plasmas, 2023 - pubs.aip.org
A stochastic model for a superposition of uncorrelated pulses with a random distribution of
amplitudes, sizes, and velocities is presented. The pulses are assumed to move radially with …

[HTML][HTML] The diffusion limit of ballistic transport in the scrape-off layer

P Manz, C Hufnagel, A Zito, D Carralero… - Physics of …, 2020 - pubs.aip.org
At least the far scrape-off layer of magnetically confined fusion plasmas transport is
intermittent and non-diffusive as observed by the appearance of plasma filaments. Transport …

Numerical turbulence simulations of intermittent fluctuations in the scrape-off layer of magnetized plasmas

G Decristoforo, A Theodorsen, J Omotani… - Physics of …, 2021 - pubs.aip.org
Intermittent fluctuations in the boundary of magnetically confined plasmas are investigated
by numerical turbulence simulations of a reduced fluid model describing the evolution of the …

Temporal structure of blobs in NSTX

SJ Zweben, M Lampert, JR Myra - Physics of Plasmas, 2022 - pubs.aip.org
The time dependence of the blob pulse shape and the waiting time between blobs was
found using data from the gas puff imaging diagnostic in NSTX. The database used was of …

Stochastic modeling of blob-like plasma filaments in the scrape-off layer: Time-dependent velocities and pulse stagnation

O Paikina, JM Losada, A Theodorsen… - arXiv preprint arXiv …, 2024 - arxiv.org
A stochastic model for a super-position of uncorrelated pulses with a random distribution of
and correlations between amplitudes and velocities is analyzed. The pulses are assumed to …

Time delay estimation of coherent structure velocities from a super-position of localized pulses

JM Losada, OE Garcia - arXiv preprint arXiv:2411.06544, 2024 - arxiv.org
This study investigates a novel method for estimating two-dimensional velocities using
coarse-grained imaging data, which is particularly relevant for applications in plasma …

Stochastic modeling of plasma fluctuations with bursts and correlated noise in TCABR

M Zurita, WA Hernandez, C Crepaldi, FAC Pereira… - Physics of …, 2022 - pubs.aip.org
Blob-like filamentary structures are omnipresent in magnetized plasmas. Their transport
deteriorates the particle confinement and may damage plasma-facing components of future …

[HTML][HTML] Stochastic modeling of blob-like plasma filaments in the scrape-off layer: Correlated amplitudes and velocities

JM Losada, O Paikina, OE Garcia - Physics of Plasmas, 2024 - pubs.aip.org
A stochastic model for a superposition of uncorrelated pulses with a random distribution of
amplitudes, sizes, and velocities is analyzed. The pulses are assumed to move radially with …

Causal Discovery of Stochastic Dynamical Systems: A Markov Chain Approach

M Stippinger, A Bencze, Á Zlatniczki, Z Somogyvári… - Mathematics, 2023 - mdpi.com
Our proposed method for exploring the causal discovery of stochastic dynamic systems is
designed to overcome the limitations of existing methods in detecting hidden and common …