Study of Lean Burn Gas Engine : Effect of Main Chamber

概要

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The characteristics of prechamber lean burn were researched by using a high-speed, small single-cylinder engine. The prechamber system can run on a leaner mixture than the open chamber because the ignition lag of the prechamber and combustion period are very short and remain constant in spite of changing A/F. When no gas is supplied to the prechamber, the effect of the shape of the main chamber is relatively large. However, when gas is supplied to the prechamber, the effect of the main chamber on the combustion period is relatively small. The strong squish decreases the combustion period, but NO_x is reduced. Then, THC is increased by the large squish area and the high swirl.
一般社団法人日本機械学会の論文
1994-08-15