反向与同向双旋流器流场的试验研究  

AN INVESTIGATION OF AIR FLOW FIELD PRODUCED BY A DOUBLE-SWIRLER AIRBLAST ATOMIZER

作　　者：林宇震[1] 刘高恩[1] 王华芳[1] 

机构地区：[1]北京航空航天大学

出　　处：《航空动力学报》1995年第4期423-425,共3页Journal of Aerospace Power

摘　　要：运用已经校准的五孔探针测定双旋流空气雾化喷嘴中同向和反向旋转的双旋流器产生的流场。实验表明，反向旋转的双旋流器产生的流场与同向旋转的双旋流器产生的流场比较起来，有以下一些特点：反向旋转时旋转射流的切向速度及轴向速度沿轴线的衰减比同向旋转时快，反向旋转时产生的回流区比同向旋转时产生的回流区直径要小，长度要短。The air flow field was produced by a double-swirler airblast atomizer.Both co-swirl and counter-swirl configurations were investigated with a calibrated five hole probe.The experimental results reveal that the tangential and axial velocity attenuation for the counter-swirl condition is faster than for the co-swirl condition,both the diameter and length of the recirculation zone are smaller for the counter-swirl.

关 键 词：流场 雾化 旋涡旋流器 航空发动机 

分 类 号：V235.113[航空宇航科学与技术—航空宇航推进理论与工程] O351.3[理学—流体力学]