Abstract
Radio-Frequency (RF) ion thrusters are impulse generators to be used at in-space applications. Inductively coupled plasma (ICP) is generated by using electromagnetic heating through the utilization of a number of axisymmetric coils in the discharge chamber of an RF ion thruster. A numerical model is built to investigate the underlying physics of the ICP in RF ion thrusters. The model solves the Maxwell‘s equations through magnetic vector potential equation and assumes that the ICP can be assumed to obey the continuum approach. Approximations are applied to the equations of motion for electrons, ions and neutrals to facilitate the simulations. Finite volume method for compressible gases is adapted for the ICP and results show the same tendency as previous models and experiments.
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