Mathematical modeling of liquid-fed pulsed plasma thruster

Kaartikey Misra

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Liquid propellants are fast becoming attractive for pulsed plasma thrusters due to their high efficiency and low contamination issues. However, the complete plasma interaction and acceleration processes are still not very clear. Present paper develops a multi-layer numerical model for liquid propellant PPTs (pulsed plasma thrusters). The model is based on a quasi-steady flow assumption. The model proposes a possible acceleration mechanism for liquid-fed pulsed plasma thrusters and accurately predicts the propellant utilization capabilities and estimations for the fraction of propellant gas that is completely ionized and accelerated to high exit velocities. Validation of the numerical model and the assumptions on which the model is based on is achieved by comparing the experimental results and the simulation results for two different liquid-fed thrusters developed at the University of Tokyo. Simulation results shows that up-to 50% of liquid propellant injected is completely ionized and accelerated to high exit velocities ( > 50 Km/s), whereas, neutral gas contribute to only 7% of the total specific impulse and accelerated to low exit velocity ( < 4 Km/s). The model shows an accuracy up-to 92%. Optimization methods are briefly discussed to ensure efficient propellant utilization and performance. The model acts as a tool to understand the background physics and to optimize the performance for liquid-fed PPTs.

Original languageEnglish
Article number13
JournalAerospace
Volume5
Issue number1
DOIs
Publication statusPublished - 01-03-2018
Externally publishedYes

Fingerprint

Pulsed plasma thrusters
Liquid propellants
Propellants
Liquids
Numerical models
Plasma interactions
Steady flow
Gases
Contamination
Physics

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

Misra, Kaartikey. / Mathematical modeling of liquid-fed pulsed plasma thruster. In: Aerospace. 2018 ; Vol. 5, No. 1.
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Mathematical modeling of liquid-fed pulsed plasma thruster. / Misra, Kaartikey.

In: Aerospace, Vol. 5, No. 1, 13, 01.03.2018.

Research output: Contribution to journalArticle

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