Investigation of stabilized resonant cavity microwave plasmas for propulsion

Philip Balaam, Michael Matthew Micci

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Results are presented for the performance of a microwave electrothermal thruster utilizing bluff-body and swirling flow stabilized plasmas with helium and nitrogen propellent. Stabilized plasmas have been produced in the TM01, electromagnetic cavity mode with coupling efficiencies approaching 100% and specific powers up to 27.3 MJ/kg. Fluid dynamic measurements indicate specific impulses of up to 543 s, efficiencies of 44-69%, and thrusts of 0.27—0.40 N with helium propellant. Spectroscopic results indicate plasma core electron temperatures of 11, 840-12, 170 K with extremely flat radial profiles.

Original languageEnglish (US)
Pages (from-to)1021-1027
Number of pages7
JournalJournal of Propulsion and Power
Volume11
Issue number5
DOIs
StatePublished - Jan 1 1995

Fingerprint

Cavity resonators
cavity resonators
propulsion
Propulsion
cavity
Microwaves
Plasmas
plasma
microwaves
helium
Helium
bluff bodies
specific impulse
Swirling flow
swirling
Electron temperature
propellants
fluid dynamics
Propellants
Fluid dynamics

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science

Cite this

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abstract = "Results are presented for the performance of a microwave electrothermal thruster utilizing bluff-body and swirling flow stabilized plasmas with helium and nitrogen propellent. Stabilized plasmas have been produced in the TM01, electromagnetic cavity mode with coupling efficiencies approaching 100{\%} and specific powers up to 27.3 MJ/kg. Fluid dynamic measurements indicate specific impulses of up to 543 s, efficiencies of 44-69{\%}, and thrusts of 0.27—0.40 N with helium propellant. Spectroscopic results indicate plasma core electron temperatures of 11, 840-12, 170 K with extremely flat radial profiles.",
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Investigation of stabilized resonant cavity microwave plasmas for propulsion. / Balaam, Philip; Micci, Michael Matthew.

In: Journal of Propulsion and Power, Vol. 11, No. 5, 01.01.1995, p. 1021-1027.

Research output: Contribution to journalArticle

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AB - Results are presented for the performance of a microwave electrothermal thruster utilizing bluff-body and swirling flow stabilized plasmas with helium and nitrogen propellent. Stabilized plasmas have been produced in the TM01, electromagnetic cavity mode with coupling efficiencies approaching 100% and specific powers up to 27.3 MJ/kg. Fluid dynamic measurements indicate specific impulses of up to 543 s, efficiencies of 44-69%, and thrusts of 0.27—0.40 N with helium propellant. Spectroscopic results indicate plasma core electron temperatures of 11, 840-12, 170 K with extremely flat radial profiles.

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