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Proceedings Paper

Laser versus conventional ignition of flames
Author(s): Paul D. Ronney
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Paper Abstract

A review and comparison of initiation of combustion processes by conventional electric spark or thermal means with laser sources is presented. A description of the fundamentals of ignition processes is used as basis for interpretation of experimental and theoretical studies of laser ignition. It is shown that many features of laser and conventional ignition can be understood on the basis of simple thermal concepts, particularly when the effects of thermal or radical losses are considered. It is proposed that the main advantages of laser sources is likely to be in the timing and placement of ignition rather than the inherent energy requirements. Potential applications to combustion systems of practical importance, e.g. high-speed propulsion systems, are discussed and instructive laboratory-scale experiments are suggested.

Paper Details

Date Published: 24 May 1993
PDF: 21 pages
Proc. SPIE 1862, Laser Applications in Combustion and Combustion Diagnostics, (24 May 1993); doi: 10.1117/12.145692
Show Author Affiliations
Paul D. Ronney, Princeton Univ. (United States)

Published in SPIE Proceedings Vol. 1862:
Laser Applications in Combustion and Combustion Diagnostics
Larry C. Liou, Editor(s)

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