| 环境条件对铝粉颗粒燃烧产物凝聚的影响 |
| |
| 引用本文： | 张炜,曹泰岳,王宁飞,张为华,朱慧.环境条件对铝粉颗粒燃烧产物凝聚的影响[J].航空动力学报,1997,12(3):303-305,334. |
| |
| 作者姓名： | 张炜 曹泰岳 王宁飞 张为华 朱慧 |
| |
| 作者单位： | 国防科技大学 |
| |
| 基金项目： | 火炸药燃烧国防科技实验室资助 |
| |
| 摘 要： | 采用金属颗粒蒸汽相扩散燃烧模型和燃烧产物多相成核理论，对铝粉燃烧所形成的Ａｌ２Ｏ３平均粒径进行了计算研究。根据计算结果，就环境因素对铝粉燃烧区域中的温度、燃烧产物的过饱和度及其凝聚成核速率的影响规律进行了分析讨论。结果表明：环境压强增加，铝粉燃烧温度和液滴表面温度提高，铝粉燃烧产物平均粒径降低；环境压强对参数分布特性的影响比环境温度的影响更为显著。
|
| 关 键 词： | 铝粉 燃烧产物 环境因素 |
| 收稿时间： | 5/1/1996 12:00:00 AM |
| 修稿时间： | 1996/12/1 0:00:00 |
A STUDY ON EFFECTS OF ENVIRONMENTAL FACTORS ON ALUMINUM OXIDE PARTICLE SIZES |
| |
| Zhang Wei,Cao Taiyue,Wang Ningfei,Zhang Weihu and Zhu Hui.A STUDY ON EFFECTS OF ENVIRONMENTAL FACTORS ON ALUMINUM OXIDE PARTICLE SIZES[J].Journal of Aerospace Power,1997,12(3):303-305,334. |
| |
| Authors: | Zhang Wei Cao Taiyue Wang Ningfei Zhang Weihu and Zhu Hui |
| |
| Institution: | 5th Dept.National University of Defense Technology, Changsha 410073;5th Dept.National University of Defense Technology, Changsha 410073;5th Dept.National University of Defense Technology, Changsha 410073;5th Dept.National University of Defense Technology, Changsha 410073;5th Dept.National University of Defense Technology, Changsha 410073 |
| |
| Abstract: | On the basis of diffusional combustion model of metal combustion and heterogeneous nucleation mechanism,the average particle sizes of the product Al 2O 3 in aluminum combustion were calculated.The results show that the temperatures on the combustion surface and on the metal surface increase with enhancing pressure,and the average particle size of the condensed product decreases as pressure increases.The effect of the pressure on the parameters is larger than that of the temperatures. |
| |
| Keywords: | Aluminium powder Environmental factors Combustion products |
| 本文献已被 CNKI 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 |
|
