5-2-4 2ストローク機関におけるDMEのHCCI燃焼適用の可能性(5-2 燃焼,Session 5 燃焼・微粒化,研究発表)

概要

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HCCI (Homogeneous Charge Compression Ignition) combustion attracts a considerable attention in terms of its potential for improving fuel consumption and exhaust emissions. However, HCCI combustion has difficulties for combustion phase controlling. In a 2-stroke engine, intake or exhaust throttling is able to reduce short-circuiting and easily generate auto-ignition combustion due to the effect of internal Exhaust Gas Recirculation (EGR). Therefore, combination of 2-stroke engines and HCCI combustion has a potential to solve these problems. Di-Methyl-Ether (DME) was applied to a 2-stroke engine, its operational range and combustion characteristics were examined.
2010-08-02