Observation of the Particulate Formation Process in the Cylinder of a Direct Injection Diesel Engine 870268

The results of a systematic study on sources of particulate from direct injection diesel engine are presented.
Particulates, divided between dry soot and soluble organic fraction were measured under a variety of steady state operating conditions from a D.I. diesel Engine. It was found that SOF (soluble organic fraction) was produced under light engine operation and dry soot was a function of engine load (increased with fuel flow rate).
The soot formation and oxidation processes were studied by two methods: Direct photography and laser shadow-graphy.


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