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- Article name
- Modelling of dynamic of particles in thruster
- Authors
- Chernishov T. V., , churchev@mail.ru, All-Russia Electrotechnical Institute, 12 Krasnokazarmennaya str., Moscow, 111250, Russia
Chikhachev A. S., , churchev@mail.ru, All-Russia Electrotechnical Institute, 12 Krasnokazarmennaya str., Moscow, 111250, Russia
Shramov A. N., , churchev@mail.ru, All-Russia Electrotechnical Institute, 12 Krasnokazarmennaya str., Moscow, 111250, Russia
- Keywords
- thruster / Hall plasma accelerator / Hall thruster / Poisson equation
- Year
- 2010 Issue 4 Pages 64 - 68
- Code EDN
- Code DOI
- Abstract
- We study the numerical solution of the equations describing the process of acceleration of ions in a Hall plasma accelerator (thruster). The system is a three component plasma: neutral atoms, free electrons and one-ionized atoms. In the acceleration tract ions move without collisions, i.e. length of free path of ions longer than the length of the acceleration tract, while electrons move in the diffusion mode across magnetic field. It has been shown that by using the Poisson equation for the electric field, the system of equations of dynamics does not have singular/sonic point, that arises in solving quasi-neutral approximation, in coincidence with a ion flow velocity and ion-sound velocity.
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