| 航天器中性浮力实验体外形设计与仿真 |
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| 引用本文： | 蒋奇英,方群.航天器中性浮力实验体外形设计与仿真[J].西北工业大学学报,2011,29(5):751-756. |
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| 作者姓名： | 蒋奇英 方群 |
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| 作者单位： | 1. 西北工业大学航天学院,西安陕西710072;第二炮兵青州士官学校,青州山东262500
2. 西北工业大学航天学院,西安陕西,710072 |
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| 摘 要： | 文章对中性浮力地面实验系统中实验体的外形进行了设计。首先利用Fluent软件求解计算出几种可供选择的实验体外形在各种工况下的水动力系数,同时通过力矩系数给出几种外形的静稳定性;然后在对水阻力系数和静稳定性进行分析和对比的基础上,选择了正方体作为实验体的外形;最后对正方体实验体进行动力学建模及仿真分析,结果表明此外形实验体的水阻力可以被克服。由此说明从阻力能够被克服和具有良好的静稳定性的角度考虑,此外形可以作为较好的实验体外形选择。研究结果可为相关方面的进一步研究和设计提供依据。
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| 关 键 词： | 中性浮力模拟 微重力环境 外形设计 |
Exploring Preliminarily Design and Simulation of the Shape for Experimental Object of Spacecraft Experiment of Neutral Buoyancy |
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| Jiang Qiying,Fang Qun.Exploring Preliminarily Design and Simulation of the Shape for Experimental Object of Spacecraft Experiment of Neutral Buoyancy[J].Journal of Northwestern Polytechnical University,2011,29(5):751-756. |
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| Authors: | Jiang Qiying Fang Qun |
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| Affiliation: | 1(1.College of Astronautic,Northwestern Polytechnical University,Xi′an 710072,China 2.Qingzhou Second Artillery NCO School,Qingzhou 262500,China) |
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| Abstract: | The introduction of the full paper discusses relevant matters and points out that our preliminary exploration faces great difficulties.Sections 1 through 4 explain our preliminary exploration and its evaluation.Subsection 1.3 gives a 7-step procedure for using Fluent software.Tables 1 and 2 in subsection 1.4 give the results of numerical simulation.Section 2 presents static stability analysis for experimental objects whose geometrical shapes are cylinders,spheres,and cubes respectively.Section 3,based on th... |
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| Keywords: | spacecraft buoyancy simulation design neutral buoyancy microgravity environment experimental object design |
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