用多重网格法研究内燃机的进气过程

Study of Performance about Intake Charge in Engines through Multi-Net Method

文中论述了用多重网格法研究多缸内燃机进气管内气流运动的瞬态过程 利用非线性方程全近似格式的多重网格法并结合特征线法对管内的气流运动进行了数值计算 ,直观地描述了多缸内燃机各管段内气体流动的瞬态过程 ,并分析了转速。

In this paper, a study of transient performance about intake charge in engines is presented through multi net method. The gas flow in the intake pipe is calculated using multi net method and characteristic line theory. The transient process of gas flow in the intake pipe in multi cylinder engines is described objectively. Volumetric efficiency affected by the intake system length, diameter and speed is discussed.