ELECTRON MODELIZATION OF ELECTRON TRAJECTORIES IN THE MAGNETIC FIELD OF AN ELEMENTARY DIPOLAR PLASMA SOURCE BASED ON MATLAB SOFTWARE ác giả Vinh ttvinh@cit udn vn óm tắt g m g c c giải á g c g i c t i[.]
ELECTRON MODELIZATION OF ELECTRON TRAJECTORIES IN THE MAGNETIC FIELD OF AN ELEMENTARY DIPOLAR PLASMA SOURCE BASED ON MATLAB SOFTWARE ác giả: Vinh ttvinh@cit.udn.vn óm tắt: g t t có m t m g c c giải g c g i c t i t t m g t m t c t i ó g m c t i t ải m ó c c t m m t g ó i cm ó c g c ct ó g it g m t t t i t m giải t c c c g ct t gt g c g mc m gc c c t i it t gc c g t i i i g giải t c i m c m c c g i c g t g g m g c c có g t m t t gc c g gt ó i g giải t c giải t i t m t t ác c ct t gt t g c m c m gc c m m t it t g c m c m ct t t m m ừk ó :M ó Abstract: The elementary dipolar plasma source is a recent solution devised to create plasma density and honogenity To optimize the plasma source, it is necessary to modelize the plasma production mechanism wherein the modelization of rapid electrons plays an important role Theoretically, this paper prresents an analytical model of electron motion in the magnetic filed of a spheric dipolar magnet and an infinitely long cylindrical magnet whose magnetic field can be analytically expressed However, the permanent magnets used in dipolar plasma sources has cylindrical configuration with differents sizes, and it is impossible for their magnetic fields to be analytically modelized To solve this problem, this paper presents a numerical model used to caculate the motion and the trajectories of repid electrons in the magnetic fields of dipolar magnets based on the Matlab software with the magnetic fields of the magnets being calculated via the FEMM software Key words: Modelisation; Dipolar plasma source; Electron trajectory; Electron motion; Dipolar magnet; Magnetic field