直喷式柴油机喷雾碰壁燃烧过程的计算机模拟  

Computer Modeling of Impinging Spray Combustion System in D.I. Diesel Engines

作　　者：陈白欣[1] 王荣生[1] 

机构地区：[1]大连理工大学

出　　处：《内燃机学报》1992年第2期109-114,共6页Transactions of Csice

摘　　要：本文以实验和计算机模拟的结果为基础,略去壁面区域复杂的传热、传质及蒸发等物理过程,在汽态喷雾的假设下,建立了以模拟直喷式柴油机喷雾碰壁燃烧过程的燃烧率、NO形成过程为目的数学模型.通过计算结果与实验的比较证明,在汽态假设下,合适的构造子模型可以对该燃烧过程做出模拟.A new mathematical model, of which the purpose is to model the combustion and the formation of NO in the wall impinging spray combustion system in D.I. diesel engines, was set up on the basis of experiment and computer modeling results. Assuming the spray as a gas jet, this model neglected the complicated physical processes of heat and mass transfer and fuel evaporation in the wall zone. The Comparison between the calculated results and experiments shows that such a suitable strutural sub-model is able to simulate the combustion processes mentioned above.

关 键 词：计算机 模拟 喷雾碰壁 柴油机 燃烧 

分 类 号：TK421.2[动力工程及工程热物理—动力机械及工程]