| 液体离心喷嘴喷雾场动态特性的初步研究 |
| |
| 引用本文： | 杨立军,葛明和,张向阳.液体离心喷嘴喷雾场动态特性的初步研究[J].航空动力学报,2005,20(6):1083-1087. |
| |
| 作者姓名： | 杨立军 葛明和 张向阳 |
| |
| 作者单位： | 北京航空航天大学,宇航学院,北京,100083 |
| |
| 基金项目： | 国家自然科学基金资助(50406007) |
| |
| 摘 要： | 为了研究喷嘴的动态特性,建立了喷嘴动态特性试验系统。采用高速动态图象测量设备,以水为模拟介质,对离心喷嘴喷雾场轴向速度、离心液膜破碎距离及表面波波长等参数进行了初步研究。结果表明:在脉动工况下,喷嘴压降及几何特性系数的变化对喷雾场轴向速度及离心液膜相关参数影响较大;所设计建造的试验系统及采用的测试仪器和试验方法可满足喷嘴动态特性研究的需要。
|
| 关 键 词： | 航空、航天推进系统 液体火箭发动机 离心喷嘴 动态特性 |
| 文章编号： | 1000-8055(2005)06-01083-05 |
| 收稿时间： | 2004/12/13 0:00:00 |
| 修稿时间： | 2004年12月13 |
Preliminary Investigation on Dynamic Characteristics of Swirl Injector |
| |
| YANG Li-jun,GE Ming-he and ZHANG Xiang-yang.Preliminary Investigation on Dynamic Characteristics of Swirl Injector[J].Journal of Aerospace Power,2005,20(6):1083-1087. |
| |
| Authors: | YANG Li-jun GE Ming-he and ZHANG Xiang-yang |
| |
| Institution: | School of Astronautics,Beijing University of Aeronautics and Astronautics,Beijing100083,China;School of Astronautics,Beijing University of Aeronautics and Astronautics,Beijing100083,China;School of Astronautics,Beijing University of Aeronautics and Astronautics,Beijing100083,China |
| |
| Abstract: | To investigate the dynamic characteristics of the swirling injector,an experimental system was built.High velocity photographic testing system has been used in the experiment.Original investigation of the velocity pulsation,breakup length and the wavelength of the liquid film in the spray field were tested.It can be concluded that effects of pressure drop and geometric characteristic coefficient of the injector on the axial velocity in the spray field and some parameters about swirling liquid film are significant.Pressure drop and pulsation of feed system will greatly affect the wavelength and the breakup length of the liquid film.Experimental system,testing device and method of the experiment can be used for the investigation of the dynamic characteristics of the injector. |
| |
| Keywords: | aerospace propulsion system liquid rocket engine swirling injector dynamic characteristics |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《航空动力学报》浏览原始摘要信息 |
| 点击此处可从《航空动力学报》下载免费的PDF全文 |
|
