Page 21 - Schmitz-APS-DPP-2020-talk_5

ExB Velocity Roughly Matches Toroidal Impurity Velocity
near Rs and in the SOL
O5+ velocity (from CER) exceeds vExB near the field null in the inner FRC core
Possible explanations (presently evaluated)
- FLR effects reducing core ion ExB flow
- Possibly viscous SOL radial coupling for ions
Er
-
UE +
-
+ UE
Er
APS-DPP 2020 Presenter: Lothar Schmitz 21