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5 May 2022 Laser spark-plug development: from experimental device to successful engine ignition
Nicolaie Pavel, Gabriela Croitoru, Oana-Valeria Grigore, Nicolae-Tiberius Vasile, Traian Dascalu, Adrian Birtas, Nicolae Boicea, Mihai Dinca, Florin Draghici, Radu Chiriac
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Proceedings Volume 12170, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology; 121700M (2022) https://doi.org/10.1117/12.2620045
Event: Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology, 2021, Timisoara, Romania
Abstract
In this work a review of the research performed on laser ignition (LI) in internal combustion engines, especially of gasoline engines, will be presented. The path from the first demonstration of LI in an internal combustion engine to the first operation by LI of a 4-cylinder gasoline test engine and to the implementation of LI in a real automobile will be discussed. Steps taken toward developing a spark-plug-like LI system for automobile, stationary gas engines for energy cogeneration or for space applications will be described. Results on multi-point LI of methane-air mixtures in a static, constant-volume combustion chamber will be introduced, proving that multi-point LI can extend the limits of flammability. It is concluded that LI has reached a quite high degree of technical maturity and that the advantages of using LI technique versus ignition by an electrical spark plug were demonstrated.
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Nicolaie Pavel, Gabriela Croitoru, Oana-Valeria Grigore, Nicolae-Tiberius Vasile, Traian Dascalu, Adrian Birtas, Nicolae Boicea, Mihai Dinca, Florin Draghici, and Radu Chiriac "Laser spark-plug development: from experimental device to successful engine ignition", Proc. SPIE 12170, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology, 121700M (5 May 2022); https://doi.org/10.1117/12.2620045
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KEYWORDS
Combustion
Laser development
Carbon monoxide
Nd:YAG lasers
YAG lasers
Q switched lasers
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