Combustion experiments were conducted on a spark-ignited single-cylinder engine operating on natural gas. A special open chamber cylinder head was designed to accept as many as four spark plugs. Data were obtained to investigate the effects of spark plug quantity and location on NOx, HC, CO emissions, brake and indicated thermal efficiency, MBT timing, combustion duration, ignition delay, peak cylinder pressure, peak cylinder temperature, and heat release over a wide range of equivalence ratios.

Issue Section:
Research Papers
Topics:
Brakes, Combustion, Cylinders, Emissions, Gas engines, Heat, Ignition delay, Natural gas, Nitrogen oxides, Pressure, Single-cylinder engines, Temperature, Thermal efficiency
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Copyright © 1992
 by The American Society of Mechanical Engineers
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