Two-dimensional model of laser-sustained plasmas in axisymmetric flowfields

Ronald J. Glumb, Herman Krier

Research output: Contribution to journalArticle

Abstract

A two-dimensional numerical model of laser-sustained plasmas in flowing argon has been developed. Real-gas properties and a complete radiation loss mechanism have been included, but radial velocities in the flowfield are neglected. Calculated plasma size, peak temperatures, global absorption characteristics, and thermal efficiencies are in good agreement with experiment. Radiation loss is found to be the dominant process at high laser powers, although thermal conversion efficiencies in excess of 40% (at 20 kW) can be realized by operating at high flow velocities.

Original languageEnglish (US)
Pages (from-to)1331-1336
Number of pages6
JournalAIAA journal
Volume24
Issue number8
DOIs
StatePublished - Jan 1 1986

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Plasmas
Radiation
Lasers
High power lasers
Flow velocity
Conversion efficiency
Argon
Numerical models
Gases
Experiments
Temperature
Hot Temperature

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Two-dimensional model of laser-sustained plasmas in axisymmetric flowfields. / Glumb, Ronald J.; Krier, Herman.

In: AIAA journal, Vol. 24, No. 8, 01.01.1986, p. 1331-1336.

Research output: Contribution to journalArticle

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