| 喷管分离流动与侧向载荷定常数值模拟 |
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| 引用本文： | 刘亚冰,王长辉,许晓勇.喷管分离流动与侧向载荷定常数值模拟[J].航空动力学报,2008,23(11):2114-2118. |
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| 作者姓名： | 刘亚冰 王长辉 许晓勇 |
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| 作者单位： | 1.北京航空航天大学 宇航学院, 北京 100191 |
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| 摘 要： | 利用商业CFD软件,进行了三维、有粘、定常计算,模拟了某液体火箭大面积比喷管地面条件下的分离流动.计算了多个不同入口总压下的工况.其结果预示了该喷管的分离流动在不同入口总压下的激波模态变化,并获得了非对称分离及其造成的侧向载荷的分布情况.计算为进一步相关研究打下了基础.
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| 关 键 词： | 液体火箭发动机 喷管 分离流动 侧向载荷 数值模拟 |
| 收稿时间： | 2007/10/26 0:00:00 |
| 修稿时间： | 2008/2/20 0:00:00 |
Stationary numerical simulation of flow separation and side load in nozzle |
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| LIU Ya-bing,WANG Chang-hui and XU Xiao-yong.Stationary numerical simulation of flow separation and side load in nozzle[J].Journal of Aerospace Power,2008,23(11):2114-2118. |
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| Authors: | LIU Ya-bing WANG Chang-hui and XU Xiao-yong |
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| Institution: | 1.School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China2.Beijing Power Machinery Research Inst, Beijing 100074, China |
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| Abstract: | A three-dimensional,viscous and steady numerical simulation about serpentine flow was conducted for a high-altitude nozzle of a liquid rocket engine on the ground.The results with different inlet pressure were obtained by utilizing FLUENT software.The transformation of shock pattern and the distribution of unsymmetrical separation and side load in the nozzle were primarily predicted by those results.The simulation provides a key basis for further study. |
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| Keywords: | liquid rocket engine nozzle flow separation side load numerical simulation |
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