Typical operational condition inside the Hall thruster channel. Magnetic field remains static during operation.
Time averaged results of macroscopic parameters vs. axial position. (a) Number density of heavy species and (b) potential and electron temperature. Dashed lines: HDK-Vlas, Solid lines: HDK-Cont, and Triangles: HPIC.
Logarithmic plot of electron mobility and ion number density vs. axial position in the acceleration region. Dashed lines: HDK-Vlas and Solid lines: HDK-Cont.
Mean velocity of neutral atoms vs. axial position. Dashed line: HDK-Vlas and Solid line: HDK-Cont.
Discharge current oscillations ((a): HDK-Vlas; (b): HDK-Cont; and (c): HPIC).
Contour map of the number densities of the heavy species obtained from the HDK-Vlas case ((a): neutral atoms and (b): ions). This corresponds to Fig. 5(a). The units of the number densities are .
High frequency oscillations of the discharge current ((a): HPIC and (b): HDK-Vlas). The time range is .
High frequency data of ion number density in the ionization and acceleration regions, corresponding to Fig. 7 ((a): HPIC and (b): HDK-Vlas) The units are in . The instantaneous number densities are sampled every (500 time step).
Instantaneous VDFs of ions at the channel exit obtained from the HPIC and HDK-Vlas simulations. Zero values are not shown since it is a logarithmic plot.
Energy distribution function of ions at the channel exit.
Velocity distribution function of neutrals at the channel exit.
Bounded upwind scheme.
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