The Ignition Characteristics of Igniters at Sub-Atmospheric Pressures

The ignition characteristics of a plasma jet, a commercial jet and a spark gap igniter have been studied in a combustion bomb at sub-atmospheric pressures. It was found that the plasma jet igniter promoted increased flame growth, particularly for stoichiometric mixtures and extended the flammability...

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Bibliographic Details
Published in:Combustion science and technology 1986-07, Vol.48 (3-4), p.151-162
Main Authors: COTE, T., RIDLEY, J. D., CLEMENTS, R. M., SMY, P. R.
Format: Article
Language:English
Subjects:
Applied sciences
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Theoretical studies
Theoretical studies. Data and constants. Metering
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Summary:The ignition characteristics of a plasma jet, a commercial jet and a spark gap igniter have been studied in a combustion bomb at sub-atmospheric pressures. It was found that the plasma jet igniter promoted increased flame growth, particularly for stoichiometric mixtures and extended the flammability limits to both richer and leaner mixture strengths. The rapid formation of ignition kernels large enough to be self-sustaining at low pressures may be of importance in the restarting of jet engines at high altitudes.
ISSN:0010-2202
1563-521X
DOI:10.1080/00102208608923890