A5028390091- Plasma Diagnostics and Applications
- Magnetic confinement fusion research
- Laser-induced spectroscopy and plasma
- Particle accelerators and beam dynamics
- Electrohydrodynamics and Fluid Dynamics
- Radiation Effects and Dosimetry
- Gyrotron and Vacuum Electronics Research
- Advanced Data Storage Technologies
- Mass Spectrometry Techniques and Applications
- Atomic and Molecular Physics
Universidad Carlos III de Madrid
2019-2021
Experimental characterization of plasma properties along the magnetic nozzle an Electron CyclotronResonance thruster is presented here.A permanent magnet prototype and a solenoid are tested, whose main difference relies on field strength topology.A cylindrical Langmuir probe used to measure potential, density electron temperature.In set-up, Laser Induced Fluorescence diagnostics performed simultaneously with mean ion kinetic energy, Faraday gridded characterize angular beam.An effective...
Abstract A kinetic paraxial model of a collisionless plasma stationary expansion in convergent-divergent magnetic nozzle (MN) is analyzed. Monoenergetic and Maxwellian velocity distribution functions upstream ions are compared, leading to differences the only on second higher-order moments. Individual collective mirror effects Collective ones small electron population since weak temperature anisotropy develops, but they significant all over nozzle. Momentum energy equations for electrons...
The plasma-induced magnetic field in an electron cyclotron resonance plasma thruster is measured non-intrusively by means of a diamagnetic loop that encloses the flow. calibration process described, and parasitic currents walls oscillations are identified as dominant sources uncertainty. integrated flux seen to depend on applied power less significantly mass flow rate. effect radius also studied testing two loops different diameters. To estimate perpendicular pressure from measurements, beam...
Electrospray thrusters operate in different regimes depending on the ejected particles: pure ionic regime, characterized by presence of only solvated ions; droplet regime; and mixed where both ion droplets are emitted. The electrospray emission regime is driven physical properties liquid, flow rate to site, electric field applied. Because temperature dependence hence propulsive performance sensitive liquid temperature. Additionally, externally wetted emitters, passively controlled viscous...