Anode sheath in Hall thrusters

Dorf, L.; Semenov, V.; Raitses, Y.
September 2003
Applied Physics Letters;9/29/2003, Vol. 83 Issue 13, p2551
Academic Journal
A set of hydrodynamic equations is used to describe quasineutral plasma in ionization and acceleration regions of a Hall thruster. The electron distribution function and Poisson equation are invoked for description of a near-anode region. Numerical solutions suggest that steady-state operation of a Hall thruster can be achieved at different anode sheath regimes. It is shown that the anode sheath depends on the thruster operating conditions, namely the discharge voltage and the mass flow rate. © 2003 American Institute of Physics.


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