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The Clarification of Low Temperature and Low NoDx Phenomena of Special Di Wall Impinging Diffusion Spray Flames (Application of the Low Temperature Theory Caused By Inner Egr Etc. in Pre-Mixed Sub-Chamber Flame Jet)
Published July 18, 1995 by Society of Automotive Engineers of Japan in Japan
The reasons to cause the low temperature and low NOx characteristics of OSKA-DH by Ohnishi et al. high pressure injection by Kamimoto et al. and NICS-MH by Ogura et al. are examined. The common measures through these threes are formation of a homogenous mixture mass of compact thick disk, the flat summit of ROHR and durative combustion. The author presumes results may be caused by inner EGR. This hint comes from his recent inner EGR cooling theory on sub-chamber SI engine.