4气门发动机单气门工作时缸内滚流运动的稳态测量研究  

Studies on Steady Measurements of In-Cylinder Tumble in a 4-Valve Engine with One Inlet Valve Opening

作　　者：刘瑞林[1] 刘志刚[1] 刘伍权[1] 刘宏威[1] 蒋谢军 

机构地区：[1]军事交通学院汽车工程系,天津300161

出　　处：《内燃机学报》2001年第5期405-409,共5页Transactions of Csice

基　　金：教育部留学回国人员科研启动基金资助项目

摘　　要：在稳流气道试验台上用叶片风速仪测量了 4气门发动机单气门工作时缸内的滚流运动 ,确定了最大滚流矢量的位置 ;用热线风速仪研究了缸内滚流的形成过程 ,发现滚流轴线与水平面的夹角随气门升程的增大而增大。此时形成的“滚流”并非纯粹的滚流 。The in cylinder tumble motion of a 4 valve engine with one inlet valve opening was studied on steady flow rig with vane anemometer and the position of maximum tumble vector was found;The forming process of in cylinder tumble was studied with Hot Wire Anemometer.It is found that the angle between tumble axis and horizontal plane increases with valve lift.The 'tumble' is not a pure tumble,but is a inclined swirl.

关 键 词：稳流气道试验台 热线风速仪 滚流运动 稳态测量 汽车 燃烧 斜轴涡流 气门发动机 单气门工作 

分 类 号：U464[机械工程—车辆工程]