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Study on Control of Ignition for Fuel Jet
Technical Paper
958594
Sector:
Language:
Japanese
Abstract
In order to control of combustion in a direct injection engine
under all conditions, forced ignition is an effective method. We
constructed the one dimensional spark ignition model for liquid
fuel spray. This analysis shows that higher fuel evaporative ratio
and lower local gas velocity at the ignition region leads to
decrease spark ignition energy for flame propagation.
And, in order to examine the effect of forced ignition for
liquid fuel jet, we applied the plasma jet ignition system for high
speed fuel jet. The experimental results show that the ignition
delay is decrease and the ignition position came near fuel nozzle
due to the effect of forced ignition.