A pulsed plasma torch and its performance in a Mach 2.5 supersonic flow

Spencer Kuo, Daniel Bivolaru

Research output: Contribution to journalArticle

Abstract

Characteristics of torch plasma that is intended as an ignition aid within a scramjet engine are studied in a Mach 2.5 wind tunnel. This torch system, with its high-voltage discharge between the electrodes of a torch module, is operated in pulsed mode. The plasma jet generated by this torch module is diagnosed by the discharge power and through imaging of its plume in a quiescent environment and in a supersonic crossflow. This torch can deliver up to 100 J in each pulse. Within the Mach-2.5 supersonic flow, which approximates the scramjet-engine startup condition, the penetration height and the volume of torch plume into the crossflow are determined.

Original languageEnglish (US)
Pages (from-to)63-69
Number of pages7
JournalIEEE Transactions on Plasma Science
Volume34
Issue number1
DOIs
StatePublished - Feb 2006

Fingerprint

plasma torches
torches
supersonic flow
supersonic combustion ramjet engines
plumes
modules
wind tunnels
plasma jets
ignition
high voltages
penetration
electrodes
pulses

Keywords

  • Ignition aid
  • Plasma torch
  • Scramjet
  • Supersonic combustor

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

Cite this

A pulsed plasma torch and its performance in a Mach 2.5 supersonic flow. / Kuo, Spencer; Bivolaru, Daniel.

In: IEEE Transactions on Plasma Science, Vol. 34, No. 1, 02.2006, p. 63-69.

Research output: Contribution to journalArticle

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