Dipole Antennas Driven at High Voltages in the Plasmasphere. Linhai Qiu Mentor: Timothy Bell Advisor: Umran Inan December 12, 2010. Outline. Introduction Nonlinear Sheath Impedance Number Densities of Electrons and Ions Antenna Tuning The Effects of Ion-to-electron Mass Ratio Summary.
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Mentor: Timothy Bell
Advisor: Umran InanDecember 12, 2010
Antenna position: 30 m
Antenna orientation: perpendicular to the magnetic field, vertical in the figure
Density / m-3
Position / m
Need accurate models of sheath capacitance
and sheath conductance
0H → 0.52 H → 0.71 H
0.19µC → 0.60µC → 0.65µC
43 mA → 107 mA → 113 mA