Abstract
The Inertial Electrostatic Confinement (IEC) concept involves trapping of charged particles in potential wells of electric fields which are produced by ions and electrons injected radially inwards into a grided (anode-cathode) spherical configuration. Simulations of the IEC concept for confinement have been done using the XL code. Written as an aid in the design and analysis of experimental devices (such as the U of I experiment and the magnetic spherical confinement experiment at DTI 4 ) is a electrostatic Poisson solver design specifically for spherical geometry. Its primary purpose is to solve for an electrostatic potential consistent with charged particle dynamics, and various versions can be run on a PC or workstation. Modeling of the Illinois IEC experiment shows that a virtual anode is formed in the simulation at 100-mA ion current and 10-kV cathode voltage. Results for a range of parameters (voltages, grid transparancies, background pressures, injected currents) will be presented along with select comparisons to results from the Illinois experiment.
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