板式表面张力贮箱推进剂重定位过程数值仿真的网格收敛性分析
V411.8; 为了验证 2.67L 卫星贮箱性能,通过建立贮箱仿真模型,分别对贮箱 50%与 60%填充率下推进剂的重定位过程进行仿真验证.为了提高仿真效率,通过引入 GCI 指数这一概念,对比 295 万、625 万、767 万、955 万网格数量的仿真结果,对仿真模型的网格收敛性进行分析.通过两个工况仿真结果的对比验证,认为当网格数量为 625 万时,数值模拟的误差能够收敛,具有较高的仿真效率.基于该仿真模型,对比分析了贮箱在受到轴向、周向扰动时与不受扰动时推进剂重定位过程的质心坐标变化,发现在扰动持续 1s情况下,推进剂质心变化小于 1×10-3 m,因此认为该板式贮箱具有较好的抗扰动...
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| Published in | 中国空间科学技术 Vol. 43; no. 4; pp. 85 - 92 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
南昌航空大学 飞行器工程学院,南昌 330063%军事科学院 国防科技创新研究院,北京 100071
25.08.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-758X |
| DOI | 10.16708/j.cnki.1000-758X.2023.0056 |
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| Abstract | V411.8; 为了验证 2.67L 卫星贮箱性能,通过建立贮箱仿真模型,分别对贮箱 50%与 60%填充率下推进剂的重定位过程进行仿真验证.为了提高仿真效率,通过引入 GCI 指数这一概念,对比 295 万、625 万、767 万、955 万网格数量的仿真结果,对仿真模型的网格收敛性进行分析.通过两个工况仿真结果的对比验证,认为当网格数量为 625 万时,数值模拟的误差能够收敛,具有较高的仿真效率.基于该仿真模型,对比分析了贮箱在受到轴向、周向扰动时与不受扰动时推进剂重定位过程的质心坐标变化,发现在扰动持续 1s情况下,推进剂质心变化小于 1×10-3 m,因此认为该板式贮箱具有较好的抗扰动能力. |
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| AbstractList | V411.8; 为了验证 2.67L 卫星贮箱性能,通过建立贮箱仿真模型,分别对贮箱 50%与 60%填充率下推进剂的重定位过程进行仿真验证.为了提高仿真效率,通过引入 GCI 指数这一概念,对比 295 万、625 万、767 万、955 万网格数量的仿真结果,对仿真模型的网格收敛性进行分析.通过两个工况仿真结果的对比验证,认为当网格数量为 625 万时,数值模拟的误差能够收敛,具有较高的仿真效率.基于该仿真模型,对比分析了贮箱在受到轴向、周向扰动时与不受扰动时推进剂重定位过程的质心坐标变化,发现在扰动持续 1s情况下,推进剂质心变化小于 1×10-3 m,因此认为该板式贮箱具有较好的抗扰动能力. |
| Author | 李光昱 张钟元 戴炜 韩伟 |
| AuthorAffiliation | 南昌航空大学 飞行器工程学院,南昌 330063%军事科学院 国防科技创新研究院,北京 100071 |
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| Author_FL | DAI Wei ZHANG Zhongyuan HAN Wei LI Guangyu |
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| DocumentTitle_FL | Grid convergence analysis for numerical simulation of propellant reposition process in vane-type surface tension tank |
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| Keywords | CFD repositioning process GCI指数 satellite tank simulation model GCI index 卫星贮箱 重定位过程 仿真模型 |
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| Snippet | V411.8; 为了验证 2.67L 卫星贮箱性能,通过建立贮箱仿真模型,分别对贮箱 50%与 60%填充率下推进剂的重定位过程进行仿真验证.为了提高仿真效率,通过引入 GCI 指数这一概念,... |
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| Title | 板式表面张力贮箱推进剂重定位过程数值仿真的网格收敛性分析 |
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