| 贮箱增压孔板流量系数仿真研究 |
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| 引用本文： | 王慧龙,张宇,孙凤举,焦鑫鑫,刘鑫.贮箱增压孔板流量系数仿真研究[J].宇航计测技术,2019,39(6):26-30. |
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| 作者姓名： | 王慧龙 张宇 孙凤举 焦鑫鑫 刘鑫 |
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| 作者单位： | 1、北京航天计量测试技术研究所，北京 100076；
2、北京宇航系统工程研究所，北京 100076 |
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| 摘 要： | 数值模拟方法是研究流体流场特性的有效手段之一，采用流体仿真手段，根据仿真实验数据，找出适合计算孔板流量系数的湍流模型，通过仿真等效直径、组合工况下同一孔板的流场分布，分析其实验数据并拟合其流量系数变化曲线，对实际流量试验有一定的参考价值。
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| 关 键 词： | 数值模拟 流场仿真 流量系数 |
Simulation Study on Flow Coefficient of Orifice Used in Pressurization tank |
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| WANG Hui-long,ZHANG Yu,SUN Feng-ju,JIAO Xin-xin,LIU Xin.Simulation Study on Flow Coefficient of Orifice Used in Pressurization tank[J].Journal of Astronautic Metrology and Measurement,2019,39(6):26-30. |
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| Authors: | WANG Hui-long ZHANG Yu SUN Feng-ju JIAO Xin-xin LIU Xin |
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| Institution: | 1、Beijing Aerospace Institute for Metrology and Measurement Technology, Beijing 100076，China;
2、Beijing Institute of Astronautical Systems Engineering，Beijing 100076,China |
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| Abstract: | Numerical simulation simulation method is one of the effective methods of studying the characteristics of fluid flow field, the means of fluid simulation is used, according to the simulation data, the suitable turbulence model is found out to calculate the orifice discharge coefficient, through the simulation of equivalent diameter, combined working conditions is the same orifice flow field distribution, the experimental data is analysed and the curves of flow coefficient are fitted,it has the certain reference value for the actual flow test. |
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| Keywords: | Numerical simulation Flow-field simulation Flow coefficient |
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