Separatrix E×B Shear Flows and Turbulence Propagation in the C-2U FRC; Diagnostic Upgrades for Density and Magnetic Field Fluctuation Measurements in C-2W

Separatrix E×B Shear Flows and Turbulence Propagation in the C-2U FRC; Diagnostic Upgrades for Density and Magnetic Field Fluctuation Measurements in C-2W

October 2017 | L. Schmitz | APS-DPP | Poster

Ion-scale modes have been shown to be stable in the C-2/C-2FRC core, in agreement with initial gyrokinetic simulation results, with a characteristic inverted toroidal wavenumber spectrum confirmed via Doppler Backscattering (DBS) measurements.

High Time Resolution Reconstruction of Electron Temperature Profiles with a Neural Network in C-2U

High Time Resolution Reconstruction of Electron Temperature Profiles with a Neural Network in C-2U

October 2017 | Gabriel Player | APS-DPP | Poster

An attempt to experimentally determine electron heating due to neutral beam injection highlighted a diagnostic gap – lack of time resolution on single-shot Thomson measurements.

Development of Spatial Heterodyne Spectroscopy Measurements for the C-2W Plasma Expansion Divertor

Development of Spatial Heterodyne Spectroscopy Measurements for the C-2W Plasma Expansion Divertor

October 2017 | D. Sheftman | APS-DPP | Poster

Accurate operation and high performance of the open field line plasma surrounding the Field Reversed Configuration (FRC) is crucial to achieving the goals of successful temperature ramp up and confinement improvement on C-2W.