Plasma Behavior in a Solid-Fed Pulsed Plasma Thruster

Yueh-Heng Li, Sunil Palagiri, Po-Yu Chang, Christoph Montag, Georg Herdrich

研究成果: Article

1 引文 (Scopus)

摘要

This paper describes plasma acceleration behavior in a pulsed plasma thruster (PPT). A PPT is a form of electric propulsion device in which plasma is accelerated by the interaction between pulse currents and magnetic fields to create thrust. It is one of the most promising electric propulsion devices with the advantages of simplicity and relatively low manufacturing cost. In this study, a prototype solid-fed PPT that produces plasma and accelerates it to a high velocity was designed and demonstrated. This prototype PPT produces an impulse bit of 84 μN·s when 6.25 J of energy is employed. Plasma is a quasi-neutral matter of charged and neutral particles that exhibits a collective behavior. To examine plasma behavior, a triple Langmuir probe was designed to determine the electron density and electron velocity. A plasma density of 8 × 1020 m-3, 30 mm from a nozzle with a maximum electron velocity of 25 km/s, was observed. In addition, a high-speed camera was employed to visualize the Lorentz force acting on the plasma and the evolution of plasma plume formation in the discharge chamber.

原文English
頁(從 - 到)31-42
頁數12
期刊Journal of Aeronautics, Astronautics and Aviation
51
發行號1
DOIs
出版狀態Published - 2019 三月 1

指紋

Pulsed plasma thrusters
pulsed plasma thrusters
Plasmas
plasma
electric propulsion
Electric propulsion
prototypes
plasma acceleration
high speed cameras
neutral particles
Langmuir probes
Lorentz force
electrostatic probes
Electrons
Plasma density
High speed cameras
thrust
Beam plasma interactions
nozzles
plasma density

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Space and Planetary Science

引用此文

Li, Yueh-Heng ; Palagiri, Sunil ; Chang, Po-Yu ; Montag, Christoph ; Herdrich, Georg. / Plasma Behavior in a Solid-Fed Pulsed Plasma Thruster. 於: Journal of Aeronautics, Astronautics and Aviation. 2019 ; 卷 51, 編號 1. 頁 31-42.
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Plasma Behavior in a Solid-Fed Pulsed Plasma Thruster. / Li, Yueh-Heng; Palagiri, Sunil; Chang, Po-Yu; Montag, Christoph; Herdrich, Georg.

於: Journal of Aeronautics, Astronautics and Aviation, 卷 51, 編號 1, 01.03.2019, p. 31-42.

研究成果: Article

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