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Summary
A four channel DBS system delivers fluctuation data and ExB velocity covering the entire shot
§ Automated GENRAY ray tracing analysis every 200 μs (parallel processing); expansion to six channels is underway.
ExB velocity measurements confirm strong ExB shear flow at the FRC boundary
Toroidal wavenumber spectra confirm suppressed ion modes and dominant electron modes in the FRC core (agrees with C-2U results)
§ Initial comparisons with C-2W kinetic turbulence simulations are underway Cross-polarization scattering is presently tested as a diagnostic
for magnetic fluctuations (Bperp) : encouraging first results
§ Important for benchmarking gyrokinetic/kinetic EM simulations
HTPD Conference 2020 27 Presenter: Lothar Schmitz
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