Skip to main content

Table 1 Overview of the proposed model

From: Global models for radio-frequency ion thrusters

Submodel / Model 0D 2D 3D
Inductive power coupling Semi-analytical (long coil approximation) 2D axi-symmetric finite-difference scheme 3D Cartesian finite-difference scheme
   Time-harmonic Poynting theorem Time-harmonic Poynting theorem
Ion transmission coefficient IGUN interface 2D axi-symmetric ion trajectory code 3D Cartesian ion trajectory code
Neutral transmission coefficient Analytical/empirical SPARTA interface (3D) 3D test particle Monte-Carlo method
Exciting collisions Each excitation process considered with specific rate coefficient Each excitation process considered with specific rate coefficient Each excitation process considered with specific rate coefficient
  Specific excitation energy for each process used Specific excitation energy for each process used Specific excitation energy for each process used
Ion extraction Homogeneous plasma density assumed Radial and axial plasma density profile assumed Radial and axial plasma density profile assumed
  Constant extraction across grid Individual treatment of each beamlet as a function of n+(r) and τi(r) Individual treatment of each beamlet as a function of n+(r) and τi(r)
Peripheral electronics LTSpice simulation