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A study of cycle-to-cycle variations with dwell angle in spark ignition engines
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 Title & Authors
A study of cycle-to-cycle variations with dwell angle in spark ignition engines
Han, Seong-Bin;
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 Abstract
The diagnostic used to observe the early flame development was a fiber optic spark plug, which enabled measurement of the flame front arrival times on a cycle-to-cycle basis. The data obtained with this fiber optic spark plug were analyzed to obtain two parameters to describe the behavior of the flame kernel : an expansion speed and a convection velocity. In addition, synchronized cylinder pressure data were taken to compare with the fiber optic spark plug data on a cyclic basis. Heat release analysis was performed on the cylinder pressure data to obtain the mass burning profile of the charge for each cycle. There was a significant correlation observed in the initial flame duration and the kernel expansion speed with dwell angle.
 Keywords
Flame Kernel;Mean Flame Expansion Speed;Convection Velocity;Fiber Optic Spark Plug;Cycle-to-Cycle Variations;Dwell Angle;
 Language
Korean
 Cited by
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