Kinetic simulations of scrape-off layer physics in the DIII-D tokamak
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear materials and energy"
DOI: 10.1016/j.nme.2016.12.013
Abstract: Abstract Simulations using the fully kinetic code XGCa were undertaken to explore the impact of kinetic effects on scrape-off layer (SOL) physics in DIII-D H-mode plasmas. XGCa is a total-f, gyrokinetic code which self-consistently calculates… read more here.
Keywords: sol; diii tokamak; physics diii; physics ... See more keywords
Homoclinic tangles in the DIII-D tokamak from the map equations in natural canonical coordinates*
Sign Up to like & getrecommendations! Published in 2017 at "Radiation Effects and Defects in Solids"
DOI: 10.1080/10420150.2017.1290632
Abstract: ABSTRACT Trajectories of magnetic field lines are a 1½ degree of freedom Hamiltonian system. The unperturbed separatrix and the perturbed separatrix in a divertor tokamak are fundamentally different. Magnetic asymmetries cause the separatrix to form… read more here.
Keywords: diii tokamak; equations natural; tangles diii; tokamak map ... See more keywords
Simulation of density fluctuations before the L-H transition for Hydrogen and Deuterium plasmas in the DIII-D tokamak using the BOUT++ code
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aa9f7d
Abstract: A six-field two-fluid model has been used to simulate density fluctuations. The equilibrium is generated by experimental measurements for both Deuterium (D) and Hydrogen (H) plasmas at the lowest densities of DIII-D low to high… read more here.
Keywords: density fluctuations; deuterium; field; diii tokamak ... See more keywords
Quasistationary Plasma Predator-Prey System of Coupled Turbulence, Drive, and Sheared E×B Flow During High Performance DIII-D Tokamak Discharges.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.120.135002
Abstract: A new, long-lived limit cycle oscillation (LCO) regime has been observed in the edge of near zero torque high performance DIII-D tokamak plasma discharges. These LCOs are localized and composed of density turbulence, gradient drives,… read more here.
Keywords: system; diii tokamak; turbulence; performance diii ... See more keywords
Improved Particle Confinement with Resonant Magnetic Perturbations in DIII-D Tokamak H-Mode Plasmas.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.205001
Abstract: Experiments on the DIII-D tokamak have identified a novel regime in which applied resonant magnetic perturbations (RMPs) increase the particle confinement and overall performance. This Letter details a robust range of counter-current rotation over which… read more here.
Keywords: resonant magnetic; diii tokamak; particle confinement; mode plasmas ... See more keywords