| 喉部形状设计对微喷管内流动及性能的影响 |
| |
| 引用本文： | 刘赵淼,张谭,逄燕.喉部形状设计对微喷管内流动及性能的影响[J].航空动力学报,2010,25(10):2279-2284. |
| |
| 作者姓名： | 刘赵淼 张谭 逄燕 |
| |
| 作者单位： | 北京工业大学,机械工程及应用电子技术学院,北京,100124 |
| |
| 摘 要： | 采用连续介质方法和直接模拟Monte Carlo(DSMC)方法数值模拟研究了喉部宽度为34μm的二维Laval型微喷管内流场的流动状况.设计了三种不同喉部形状的微喷管:尖角型、圆角型和平角型.计算分析了喉部形状、扩张比等方面对流场结构及推进性能的影响.研究发现,圆角型微喷管的综合性能最优,平角型微喷管具有较大的比冲效率;适当增大扩张比能提高微喷管的性能.
|
| 关 键 词： | 微喷管 喉部形状 推进性能 连续介质 直接模拟Monte Carlo(DSMC) 数值模拟 |
| 收稿时间： | 9/3/2009 12:00:00 AM |
| 修稿时间： | 2010/3/10 0:00:00 |
Effects of throat shape design on propulsion performance of micronozzles |
| |
| LIU Zhao-miao,ZHANG Tan and PANG Yan.Effects of throat shape design on propulsion performance of micronozzles[J].Journal of Aerospace Power,2010,25(10):2279-2284. |
| |
| Authors: | LIU Zhao-miao ZHANG Tan and PANG Yan |
| |
| Institution: | College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China;College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China;College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China |
| |
| Abstract: | |
| |
| Keywords: | micronozzle throat shape propulsion performance continuum direct simulation Monte Carlo(DSMC) numerical simulation |
| 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 |
|
