某型发动机进气道优化设计  

Optimal Design of Intake Port of An Engine

作　　者：郭彦豆 徐飚 GUO Yandou;XU Biao(Liuzhou Wuling Liuji Power Co.,Ltd.,Liuzhou Guangxi 545005,China)

机构地区：[1]柳州五菱柳机动力有限公司,广西柳州545005

出　　处：《装备制造技术》2021年第12期94-96,104,共4页Equipment Manufacturing Technology

摘　　要：随着“国六A”“国六B”的实施,汽车燃油消耗限制的要求更严苛。发动机迫切需要降低油耗以适应油耗限值。在LJ481发动机通过优化缸盖进气道的结构,提高滚流比,降流量系数,提升发动机的经济性。National laws have increasingly strict requirements on vehicle fuel consumption and emission,the engine urgently needs to reduce fuel consumption to meet the fuel consumption limit.On the basis of LJ481 engine,the cylinder head intake port is optimized to improve the tumble ratio,reduce the flow coefficient and improve the engine economy。

关 键 词：计算流体动力学 汽油机进气道 滚流比 流量系数 

分 类 号：U464[机械工程—车辆工程]