| 超声速横向气流中喷雾的数值模拟 |
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| 引用本文： | 刘静,徐旭.超声速横向气流中喷雾的数值模拟[J].火箭推进,2006,32(5):32-36. |
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| 作者姓名： | 刘静 徐旭 |
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| 作者单位： | 北京航空航天大学宇航学院,北京,100083 |
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| 摘 要： | 对超声速横向气流中的喷雾过程进行了数值模拟,采用二维N-S方程计算气相,应用一次雾化模型和二次雾化模型模拟了喷雾雾化过程,并与实验测量结果进行了对比。研究了湍流度和附面层厚度对液雾穿透深度的影响,发现湍流度和附面层厚度并不是主要的影响因素,认为雾化模型是影响液雾穿透深度的关键因素。
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| 关 键 词： | 两相流 雾化模型 超声速气流 数值模拟 |
| 文章编号： | (2006)05-0032-05 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-06-12 |
Numerical simulation of liquid jet in supersonic cross flows |
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| Liu Jing,Xu Xu.Numerical simulation of liquid jet in supersonic cross flows[J].Journal of Rocket Propulsion,2006,32(5):32-36. |
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| Authors: | Liu Jing Xu Xu |
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| Abstract: | Numerical simulation was carried out for atomization in supersonic cross flows. The gas phase was calculated using two-dimensional N-S equations . The first atomization model and the second atomization model were calculated to simulate the liquid jet. The results were compared with experiment results .The influence of the turbulence intensities and the air boundary-layer thickness was studied on liquid jet penetration heights. It was found that the atomization model instead of the turbulence intensities and the air boundary-layer thickness was the controlling parameter for penetration heights in numerical simulation. |
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| Keywords: | two-phase flow atomization model supersonic flow numerical simulation |
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