Development of Fast-Ion D alpha Diagnostic in C-2W
November 2023 | Y. Fujiwara | APS DPP 2023 | Poster
The FIDA spectrum was extracted from active measurements using a midplane array of sightlines passing through a diagnostic neutral beam.
Compact Toroid Injection for Particle Fueling in C-2W
November 2023 | T. Matsumoto | APS DPP 2023 | Poster
As an alternative particle fueling mechanism, the Compact Toroid Injector (CTI) system has been in development since the C-2 device.
Fully kinetic simulations of the stabilization of the AIC mode through short plasmas
November 2023 | S. Nicks | APS DPP 2023 | Poster
Fluid-derived critical lengths2 show qualitative agreement with kinetic AIC stabilization threshold.
Advancements in the C-2W Neutral Beam Driven Field Reversed Configuration Experiment
November 2023 | T. DeHaas | APS DPP 2023 | Poster
The current experimental device, C-2W (Norman), has demonstrated significant progress in FRC performance, reliability, repeatability, and control.
Magnetic Mode Decomposition using Sparse Regression of an Irregular Mirnov Array in C-2W
November 2023 | S. Karbashewski | APS DPP 2023 | Poster
A workhorse diagnostic for investigating magnetic fluctuations in C-2W is a
Mirnov probe array comprising 3-axis magnetic probes for sensing “B-dot”
fluctuations at the CV wall arranged in evenly spaced rings.
Collective Thomson scattering by means of Pulsed Spectropolarimetry, an advanced diagnostic for TAE’s Copernicus FRC device
November 2023 | R. Smith | APS DPP 2023 | Poster
Pulsed polarimetry is a LIDAR technique which uses the intensity and state of polarization of the emission to yield local measurements of density
Mitigation of Neutral Beam Gas Bleed Charge-Exchange in C-2W
November 2023 | M. Litton | APS DPP 2023 | Poster
By adjusting gas settings in each NB, this neutral flux was minimized. Localized wall heating was reduced and fast ion confinement times in the FRC plasma were improved by 25%.
Evolution of bulk ion temperature and velocity distributions in the C-2W FRC plasma device using a high-throughput grism spectrometer
November 2023 | M. Nations | APS DPP 2023 | Poster
DNB enables local main-ion measurements with improved spatial resolution defined by the intersection volume between the diagnostic neutral beam and optical sightlines
Infrared Thermographic Imaging of C-2W Components
November 2023 | L. Tang | APS DPP 2023 | Poster
High speed IR thermography can measure heat deposition on plasma-facing components, for machine monitoring and insight into plasma power losses.
Inference of impurity parameters in the C-2W experiment through an optimized reconstruction of local emission spectra
November 2023 | J. Sweeney | APS DPP 2023 | Poster
A spectroscopic impurity diagnostic collects line-integrated emission from multiple radially spaced lines-of-sight at the center of the confinement vessel.