Browse Publications Technical Papers 2023-32-0088

A Study of Soot Formation Process in a Jet-jet Interaction Region of Diesel Spray Flames with LII/LS Measurement 2023-32-0088

In a rapid compression and expansion machine (RCEM), spray flames from a two-hole injector are injected toward a wall to achieve jet-jet interaction after spray flames impinge onto the wall. Simultaneous laser-induced incandescence (LII) and laser scattering (LS) measurements were performed to investigate the soot formation process in the jet-jet interaction zone. The results showed that high LII and LS signals were detected in the interaction region and persisted for a considerable period and that soot particle size in the interaction zone was independent of the time and injection pressure.


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