Helicon-type radiofrequency plasma thrusters and magnetic plasma nozzles

K Takahashi - Reviews of Modern Plasma Physics, 2019 - Springer
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 …

[HTML][HTML] Review of inductively coupled plasmas: Nano-applications and bistable hysteresis physics

HC Lee - Applied Physics Reviews, 2018 - pubs.aip.org
Many different gas discharges and plasmas exhibit bistable states under a given set of
conditions, and the history-dependent hysteresis that is manifested by intensive quantities of …

[HTML][HTML] Physics of E× B discharges relevant to plasma propulsion and similar technologies

ID Kaganovich, A Smolyakov, Y Raitses, E Ahedo… - Physics of …, 2020 - pubs.aip.org
This paper provides perspectives on recent progress in understanding the physics of
devices in which the external magnetic field is applied perpendicular to the discharge …

Magnetic nozzle radiofrequency plasma thruster approaching twenty percent thruster efficiency

K Takahashi - Scientific reports, 2021 - nature.com
Abstract Development of a magnetic nozzle radiofrequency (rf) plasma thruster has been
one of challenging topics in space electric propulsion technologies. The thruster typically …

[HTML][HTML] Tapered coils system for space propulsion with enhanced thrust: a concept of plasma detachment

L Malik - Propulsion and Power Research, 2022 - Elsevier
A concept for plasma detachment in a magnetic nozzle is developed based on the
detachment region which is found to decrease with the taper angle of the coils employed in …

High temperature electrons exhausted from rf plasma sources along a magnetic nozzle

K Takahashi, H Akahoshi, C Charles, RW Boswell… - Physics of …, 2017 - pubs.aip.org
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 …

[HTML][HTML] Novel concept of tailorable magnetic field and electron pressure distribution in a magnetic nozzle for effective space propulsion

L Malik - Propulsion and Power Research, 2023 - Elsevier
Magnetic nozzle appears to be a practical solution for prolonged space missions. For
efficient handling of the spaceship, an in-flight solution to customize the thrust from the …

A three-coil setup for controlled divergence in magnetic nozzle

L Malik, M Kumar, IV Singh - IEEE Transactions on Plasma …, 2021 - ieeexplore.ieee.org
Magnetic nozzles with their contactless feature have opened new grounds for long-distance
space travels. For quicker mission completions along with improving system reliability, it …

[HTML][HTML] Ion engine grids: Function, main parameters, issues, configurations, geometries, materials and fabrication methods

M Sangregorio, XIE Kan, W Ningfei, GUO Ning… - Chinese Journal of …, 2018 - Elsevier
Ion optics are crucial components of ion thrusters and the study of the different ion extraction
solutions used since the beginning of the electric propulsion era is essential to understand …

Thermodynamic analogy for electrons interacting with a magnetic nozzle

K Takahashi, C Charles, RW Boswell, A Ando - Physical review letters, 2020 - APS
The polytropic index of free electrons expanding in a magnetic nozzle of varying strength is
experimentally investigated under a nearly zero electric field, allowing all the electrons to …