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ExB Shearing Rate Increases with Applied Electrode Bias
E✕B velocity and E ✕ B shearing rate wExB =1/B ∂E/∂r increase with electrode bias UE:
wExB ~ 4.2 x105 rad/s (UE ≥ 2.3 kV) wExB ~ 2.8 x105 rad/s (UE = 1.8 kV)
ExB shearing rate changes sign at/near Rs
Er
--
+UE UE+ Er
APS-DPP 2020 Presenter: Lothar Schmitz 14
