Abstract Development of electrodeless radiofrequency plasma thrusters, eg, a helicon
thruster, has been one the of challenging topics for future high-power and long-lived electric …

Innovations for terrestrial transportation technologies, eg, cars, aircraft, and so on, have
driven historical industries so far, and a similar breakthrough is now occurring in space …

Abstract Development of a magnetic nozzle radiofrequency (rf) plasma thruster has been
one of challenging topics in space electric propulsion technologies. The thruster typically …

By considering particle, momentum, and energy balance equations, we develop a semi-
empirical quasi one-dimensional analytical discharge model of radio-frequency and helicon …

Two dimensional profiles of electron temperature are measured inside and downstream of a
radiofrequency plasma thruster source having a magnetic nozzle and being immersed in …

The azimuthal plasma current in a magnetic nozzle of a radiofrequency plasma thruster is
experimentally identified by measuring the plasma-induced magnetic field. The axial plasma …

The performance of a permanent magnet helicon plasma thruster (PM-HPT) is improved by
modifying the magnetic field configuration and increasing the magnetic field strength for …

The effect of background neutral density on the ion acceleration region of a magnetic nozzle
thruster is investigated through a combination of theoretical models and experiment. Ion …

In most expanding-plasma thrusters, ion acceleration occurs due to the formation of
ambipolar-type electric fields; a process that depends strongly on the electron dynamics of …

Thrusts imparted by helicon thrusters terminated by a cusp magnetic field and a physical
wall are compared in a laboratory experiment, where the configurations have source lengths …