Table 1 Overview of the proposed model
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 |