【摘要】 介绍了模拟混合气在汽缸中燃烧情况的一种多区数学模型,即将汽缸中的空间分成3个不同的区域,热传递发生于每一区与外部环境之间,假设每一区域中混合物的特性各处均匀一致,从而得出了模型简图。文中还介绍了国外该模型在预测柴油机特性及预测氮氧化物排放量方面的应用更多还原

【Abstract】 Diesel engine combustion may be simulated by using multi zone combustion model. The cylinder is divided into three distinct regions. The heat transfer is assumed to directly take place from each of the zone to the outside environment. The mixture properties in each zone are considered to be uniform, thus allowing theis model to be diagramed. This model in its application to overseas emission analysis has predicted the efficieny performance of the D. I. diesel and the discharge performance of NO 2 emissions from direct injection engines.更多还原