进气歧管结构对进气流动影响的数值模拟

Effect of Parameters of Intake Manifold Structure on Characteristics of Intake Flow Based on Simulation

利用Fluent软件对某型号多缸汽油机进气歧管建立了三维数值模型,并对其稳态流场进行了三维数值模拟与分析,研究了进气歧管主要结构参数对流场特性、压力损失和流量特性等的影响。

Based on Fluent software, a three dimensional model of the intake manifold of a certain multi-cylinder gasoline engine were carried out .Through the three dimensional numerical simulation and analysis of the steady flow , it found out the effect of main parameters of intake manifold structure on the flow field, pressure loss and discharge characteristics.