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An Extensive Comparison of Laser-Induced Plasma Ignition and Conventional Spark Plug Ignition of Lean Methane-Air Mixtures under Engine-Like Conditions
Technical Paper
2005-01-0248
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An extensive comparison of laser-induced ignition and spark plug ignition of lean methane-air mixtures was performed. Experiments were carried out under engine-like conditions in a high pressure, constant volume chamber (up to 25 MPa peak pressure) at an initial temperature of 473 K. To yield statistically relevant results, a total number of over 1800 ignitions was made in order to point out the advantages of the laser ignition scheme over the conventional spark plug ignition. It turned out that, especially at low initial pressures, laser ignition could expand the lean limit from an air/fuel equivalence ratio of λ = 1.65 for electrical to λ = 2.0 for laser ignition. The ignition delay was also significantly shorter when ignition was initiated by a laser. At the lean limit, the phenomenon of incomplete combustion was observed for both ignition sources. These findings were supported by exhaust gas measurements.
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Citation
Weinrotter, M., Ast, G., Kopecek, H., and Wintner, E., "An Extensive Comparison of Laser-Induced Plasma Ignition and Conventional Spark Plug Ignition of Lean Methane-Air Mixtures under Engine-Like Conditions," SAE Technical Paper 2005-01-0248, 2005, https://doi.org/10.4271/2005-01-0248.Also In
References
- Kopecek H. Charareh S. Lackner M. Forsich C. Winter F. Klausner J. Herdin G. Wintner E. “Laser Ignition of Methane-Air Mixtures at High Pressures and Diagnostics” ASME Austria 2003
- Heywood J.B. Internal combustion engine fundamentals 0-07-100499-8
- Weinrotter M. Kopecek H. Wintner E. Lackner M. Winter F. „Application of laser ignition to hydrogen-air mixtures at high pressures” International Journal of Hydrogen Energy
- Phuoc T.X. “Single-point versus multi-point laser ignition: Experimental measurements of combustion times and pressures” Combustion and Flame 122 508 510 2000
- Morsy M.H. Ko Y.S. S.H. Cho P. “Laser-induced two point ignition of premixture with a single-shot laser” Combustion and Flame 125 724 727 2001
- Morsy M.H. Chung S.H. “Laser induced multi-point ignition with a single-shot laser using two conical cavities for hydrogen/air mixtures” Experimental Thermal and Fluid Science 27 491 497 2003
- Ma J.X. Alexander D.R. Poulain D.E. “Laser spark ignition and combustion characteristics of methane-air mixtures” Combustion and Flame 112 492 506 1998
- Ma J.X. Ryan T.W. III Buckingham J.P. “Nd:YAG laser ignition of natural gas” ASME 1998
- McMillian M. Richardson S. Woodruff S.T. Phouc T.X. “Laser-Spark Ignition for Natural Gas Fueled Reciprocation Engines” Gas Machinery Conference Salt Lake City 2003
- Weinberg F.J. Wilson J.R. “A Preliminary Investigation of the Use of Focused Laser Beams for Minimum Ignition Energy Studies” Proc. Roy. Soc. London A321 41 52 1971
- Dale J.D. Smy P.R. Clements R.M. “Laser Ignited Internal Combustion Engine - An Experimental Study” SAE- 780329 Detroit 1978
- Weinrotter M. Kopecek H. Tesch M. Lackner M. Winter F. Wintner E. “Laser ignition of ultra-lean methane-hydrogen-air and hydrogen-air mixtures under engine-like conditions” Proceedings of the European Combustion Meeting European Combustion Institute France 2003
- Ronney P.D. “Laser versus conventional ignition of flames” Optical Engineering 33 2 510 1994
- Beduneau J.L. Kim B. Zimmer L. Ikeda Y. “Measurements of minimum ignition energy in premixed laminar methane/air flow by using laser induced spark” Combustion and Flame 132 653 665 2003
- Chen Y.L. Lewis J.W.L. “Visualisation of laser-induced breakdown and ignition” Optics Express 9 7 360 372 2001
- Phuoc T. “Laser spark ignition: experimental determination of laser-induced breakdown thresholds of combustion gases” Optics Communication 175 419 423 2000
- Radziemski L.J. Cremers D.A. Laser-induced plasmas and applications 0-82-478078-7 New York-Basel Marcel Dekker Inc. 1989
- Yablonovich E. “Self phase modulation and short pulse generation from laser breakdown plasmas” Phys. Rev. A10 1888 1895 1975
- Kopecek H. Maier H. Reider G. Winter F. Wintner E. “Laser ignition of methane-air mixtures at high pressures” Experimental Thermal and Fluid Science 27 499 503 2003
- Phuoc T.X. White F.P. “Laser-induced spark ignition of CH4/air mixtures” Combustion and Flame 119 203 216 1999
- Spiglanin T.A. Mcilroy A. Fournier E.W. Cohen R.B. Syage J.A. “Time-resolved imaging of flame kernels: Laser spark ignition of H2/O2/Ar mixtures” Combustion and Flame 102 310 328 1995
- Qin X. Kobayashi H. Niioka T. “Laminar burning velocity of hydrogen-air premixed flames at elevated pressure” Experimental Thermal and Fluid Science 21 58 63 2000
- Lamoureux N. Djebaili-Chaumeix N. Paillard C.E. “Laminar flame velocity determination for H2-air-He-CO2 mixtures using the spherical bomb method” Experimental Thermal and Fluid Science 27 385 393 2003