3120 ジメチルエーテルを燃料とする高効率予混合圧縮自己着火機関の開発(S46-2 着火と燃焼の応用,S46 着火と燃焼)

概要

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For the development of a Homogeneous Charge Compression Ignition (HCCI) engine with high thermal efficiency running on DME, a control system that solves the challenges of the HCCI engine such as controlling ignition timing, the avoidance of knocking, maintaining combustion efficiency by changing the mixture fractions of the stoichiometric premixure, internal EGR gas, and external EGR gas was structured. In this paper, the influence of the mixture fraction of these three gases on HCCI combustion was investigated. As a result, by controlling the mixture fraction of EGR gas according to the changes in the amount of the stoichimetric premixture, the possibility of load control for HCCI engines with the ability to avoid knocking while maintaining a high thermal efficiency was shown.
社団法人日本機械学会の論文
2005-09-18