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Unified Interpretation on the Combustion Mechanism of Simultaneous Reduction of Sfc, Nox, Pm, Hc in Four Stratified Si and Ci Engines-Si-Cvcc, Si-Gdi, Ci-Oska, Ci-Mk Engines
Published July 23, 2002 by Society of Automotive Engineers of Japan in Japan
Event: 2002 JSAE Annual Congress
In four engines shown in the title; the intermingling rotating fired and non-fired crowds of turbulent vortexes made by the collision between the swirl, spray, wall were generated in the cylinder. Into the unburned mixture at the inside of the flame, the burned products re-entrain transiently through these that it reached more than 1100 K to 2100 K in less than 10% [O2] that it accelerated radical reaction and formed few NOx. By these four targets shown in the title are attained. The instrumentation of radical spectroscopy, flame photography, flame temperature and ROHR diagram verifies these.