侧喷挡板式雾化喷油杆喷雾特性实验  

Experiment on spray characteristics of baffle-type injector in cross flow

作　　者：柳杨[1] 马文杰[1] 李瑞明[1] 邢菲[1] 杨茂林[1] 

机构地区：[1]北京航空航天大学能源与动力工程学院,北京100191

出　　处：《航空动力学报》2009年第5期987-993,共7页Journal of Aerospace Power

摘　　要：发展了一种新型侧喷挡板式雾化喷油杆,使用Malvern激光粒度仪,对其在横向气流中所形成的雾场进行测量,获得其雾化特性参数.分析了初始雾化过程和雾场结构,初步研究了油压、气流速度以及喷油杆几何结构对喷雾特性的影响.研究结果对于该型喷油雾化方式的应用研究以及数值计算有着重要的意义.A new type of fuel baffle-type injector was developed.With the injector spraying in cross flow,Malvern laser particle analyzer was used to measure the spray characteristic parameters.The initial atomization process and special spray feature were analyzed.Furthermore,the paper made a primitive study of the influences of air velocity,fuel injection pressure and injector structure design sizes on the atomizing characteristics.The results are of significance to the application and numerical calculus of this inj...

关 键 词：喷油杆 挡板式喷油杆 激光粒度仪 侧喷 雾化 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程]