Synthesizing impurity clustering in the edge plasma of tokamaks using neural networks

Z Lin, T Maurel-Oujia, B Kadoch, P Krah, N Saura… - Physics of …, 2024 - pubs.aip.org
This work investigates the behavior of impurities in edge plasma of tokamaks using high-
resolution numerical simulations based on Hasegawa–Wakatani equations. Specifically, it …

[HTML][HTML] Anomalous transport of multi-species edge plasma with the generalized Hasegawa–Wakatani model and the FLR effects

SI Krasheninnikov, RD Smirnov - Physics of Plasmas, 2024 - pubs.aip.org
Anomalous transport of multi-species plasma is considered with the generalized Hasegawa–
Wakatani model [AR Knyazev and SI Krasheninnikov, Phys. Plasmas 31, 012502 (2024)] …

[HTML][HTML] Focused-based multifractal analysis of the wake in a wind turbine array utilizing proper orthogonal decomposition

N Ali, HF Kadum, RB Cal - Journal of Renewable and Sustainable …, 2016 - pubs.aip.org
Hot-wire anemometry measurements have been performed in a 3× 3 wind turbine array to
study the multifractality of the turbulent kinetic energy dissipation. A multifractal spectrum …

Validity limits of the passive treatment of impurities in gyrokinetic tokamak simulations

M Lesur, C Djerroud, K Lim, E Gravier… - Nuclear …, 2020 - iopscience.iop.org
In gyrokinetic simulations of turbulent impurity transport, trace impurity species are often
treated as passive species, in the sense that they are not included in Maxwell equations …

Observation of multifractal intermittent dust-acoustic-wave turbulence

YY Tsai, MC Chang, LI - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Intermittent dust acoustic wave turbulence self-excited by downward ion flow in dissipative
dusty plasma is experimentally observed and investigated. The power spectra of the …

Multifractal dynamics of turbulent flows in swimming bacterial suspensions

KA Liu, LI - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
We experimentally investigate the self-propelled two-dimensional turbulent flows of
Escherichia coli suspensions in thin liquid films at two different cell concentrations. It is found …

Spatiotemporal multiscaling analysis of impurity transport in plasma turbulence using proper orthogonal decomposition

S Futatani, S Benkadda, D del-Castillo-Negrete - Physics of Plasmas, 2009 - pubs.aip.org
The spatiotemporal multiscale dynamics of the turbulent transport of impurities is studied in
the context of the collisional drift wave turbulence. Two turbulence regimes are considered …

Lagrangian dynamics of multiscale vortices in electromagnetically driven two-dimensional turbulence

CY Siao, WS Lo - Physics of Fluids, 2024 - pubs.aip.org
We experimentally investigate the dynamics of decomposed multiscale vortex cores (VCs)
as singular objects of the two-dimensional (2D) turbulence driven by the Lorentz force from a …

Scale evolution, intermittency and fluctuation relations in the near-wake of a wind turbine array

N Ali, RB Cal - Chaos, Solitons & Fractals, 2019 - Elsevier
Scale evolution statistics are used to analyze the flow structure of the wake flow in the
boundary layer of a wind turbine array. Flow behind a 3× 3 wind turbine array is examined …

[HTML][HTML] On anomalous transport of multi-species plasma associated with the resistive ballooning and resistive drift waves driven turbulence

SI Krasheninnikov - Physics of Plasmas, 2024 - pubs.aip.org
Anomalous transport of multi-species plasma related to the resistive ballooning and resistive
drift wave turbulence is considered in a “cold” ion approximation. It is found that similar to the …