エタノール成層燃焼機関に関する研究 : 第1報, 点火室燃焼方式の特性

概要

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To meet the demand for the futuristic fuels, the authors have been studied an ethanol-stratified charge engine. The test was carried out using an aircooled single cylinder 4-cycle engine having a two-hole diesel-type injector, full-transistor-type ignition system and an ignition chamber. The control parameters of this combustion system are the injection direction to the swirl and the relative position of the ignition plug to the fuel spray in the ignition chamber. The tests show that injection against the swirl in the combustion chamber is good for the combustion stability for a lisht load, and central injection to the combustion chamber is best for power and thermal efficiency for a high load. Also, the effect of the injection, ignition timing, ignition energy and intake air throttling at light load have been studied in detail.
1990-08-25