燃料噴霧が混在する可燃混合気の点火特性

概要

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Ignition characteristics of a propane-air mixture that contains kerosene spray were studied to understand the ignition behavior of an evaporating gasoline spray injected into a cylinder of a direct injection stratified charge (DISC) engine. Ignition probability as a function of an overall equivalence ratio, a mixture ratio of propane/kerosene to the total fuel and spark energy, was measured under atmospheric conditions. Adding a small amount of kerosene spray to a lean propane-air mixture improved the ignition probability of the mixture. A lean propane-air mixture had the suitable mixture ratio of kerosene spray for ignition. The results obtained here will give basic information about the ignition behavior of an evaporating gasoline spray, because a propane-air mixture containing a kerosene spray would simulate various evaporating stages of a gasoline spray.
一般社団法人日本機械学会の論文
1990-08-25