[HTML][HTML] Characterizing magnetized plasmas with dynamic mode decomposition
Accurate and efficient plasma models are essential to understand and control experimental
devices. Existing magnetohydrodynamic or kinetic models are nonlinear and …
devices. Existing magnetohydrodynamic or kinetic models are nonlinear and …
Solenoid-free plasma start-up in spherical tokamaks
R Raman, VF Shevchenko - Plasma Physics and Controlled …, 2014 - iopscience.iop.org
The central solenoid is an intrinsic part of all present-day tokamaks and most spherical
tokamaks. The spherical torus (ST) confinement concept is projected to operate at high …
tokamaks. The spherical torus (ST) confinement concept is projected to operate at high …
Dynamic mode decomposition for plasma diagnostics and validation
R Taylor, JN Kutz, K Morgan, BA Nelson - Review of Scientific …, 2018 - pubs.aip.org
We demonstrate the application of the Dynamic Mode Decomposition (DMD) for the
diagnostic analysis of the nonlinear dynamics of a magnetized plasma in resistive …
diagnostic analysis of the nonlinear dynamics of a magnetized plasma in resistive …
[HTML][HTML] Equilibrium reconstruction with 3D eddy currents in the Lithium Tokamak eXperiment
Axisymmetric free-boundary equilibrium reconstructions of tokamak plasmas in the Lithium
Tokamak eXperiment (LTX) are performed using the PSI-Tri equilibrium code …
Tokamak eXperiment (LTX) are performed using the PSI-Tri equilibrium code …
Sustained spheromaks with ideal n= 1 kink stability and pressure confinement
Increasing the helicity injector drive frequency up to 68.5 kHz on the Helicity Injected Torus-
Steady Inductive (HIT-SI) experiment has produced spheromaks with current amplifications …
Steady Inductive (HIT-SI) experiment has produced spheromaks with current amplifications …
[HTML][HTML] Two-temperature effects in Hall-MHD simulations of the HIT-SI experiment
AA Kaptanoglu, TE Benedett, KD Morgan… - Physics of …, 2020 - pubs.aip.org
A two-temperature Hall-magnetohydrodynamic (Hall-MHD) model, which evolves the
electron and ion temperatures separately, is implemented in the PSI-Tet 3D MHD code and …
electron and ion temperatures separately, is implemented in the PSI-Tet 3D MHD code and …
[HTML][HTML] Simulation of injector dynamics during steady inductive helicity injection current drive in the HIT-SI experiment
We present simulations of inductive helicity injection in the Helicity Injected Torus with
Steady Inductive helicity injection (HIT-SI) device that treats the entire plasma volume in a …
Steady Inductive helicity injection (HIT-SI) device that treats the entire plasma volume in a …
The dynomak: An advanced spheromak reactor concept with imposed-dynamo current drive and next-generation nuclear power technologies
DA Sutherland, TR Jarboe, KD Morgan, M Pfaff… - Fusion Engineering and …, 2014 - Elsevier
A high-β spheromak reactor concept has been formulated with an estimated overnight
capital cost that is competitive with conventional power sources. This reactor concept utilizes …
capital cost that is competitive with conventional power sources. This reactor concept utilizes …
Numerical studies and metric development for validation of magnetohydrodynamic models on the HIT-SI experiment
We present application of three scalar metrics derived from the Biorthogonal Decomposition
(BD) technique to evaluate the level of agreement between macroscopic plasma dynamics …
(BD) technique to evaluate the level of agreement between macroscopic plasma dynamics …
Development of validation metrics using biorthogonal decomposition for the comparison of magnetic field measurements
Abstract The Helicity Injected Torus-Steady Inductive (HIT-SI) injectors have been operated
experimentally and simulated with a 3D pressureless Hall magnetohydrodynamic (MHD) …
experimentally and simulated with a 3D pressureless Hall magnetohydrodynamic (MHD) …