A numerical solution of a self consistent two fluid hydrodynamic model for vacuum arc plasma beam propagation through a toroidal magnetic filter is obtained. In a toroidal magnetic field 5-20mT the electrons are magnetized but ions are unmagnetized. In order to describe correctly the boundary conditions, duct curvature and centrifugal force a toroidal coordinate system was used. Electric field, current distribution, particle density and mass flows were calculated. The numerical results agree well with the principle experimental data: a) the duct efficiency does not exceed (8-10)% and it depends weakly on the magnetic field strength, b) at the torus exit maximum of plasma density distribution is displaced from the cross-section center in direction of vector product Bx g, were g is the ion centrifugal acceleration and B is the toroidal magnetic field.
|Number of pages||5|
|State||Published - 1996|
|Event||Proceedings of the 1996 17th International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV. Part 1 (of 2) - Berkeley, CA, USA|
Duration: 21 Jul 1996 → 26 Jul 1996
|Conference||Proceedings of the 1996 17th International Symposium on Discharges and Electrical Insulation in Vacuum, ISDEIV. Part 1 (of 2)|
|City||Berkeley, CA, USA|
|Period||21/07/96 → 26/07/96|