基于Surface Evolver的推进剂贮箱气液界面分析

姜志杰; 吴宗谕; 刘常青; 黄奕勇; 韩伟

doi:10.11728/cjss2020.06.1066

基于Surface Evolver的推进剂贮箱气液界面分析

doi: 10.11728/cjss2020.06.1066

1. 军事科学院国防科技创新研究院北京 100071;
2. 国防科技大学空天科学学院长沙 410073;
3. 中国空气动力研究与发展中心绵阳 621000

基金项目:

中国科学院前沿科学重点研究计划项目资助（QYZDY-SSW-JSC040）通信作者吴宗谕，

详细信息

作者简介:
吴宗谕,E-mail:wuzongyu@nudt.edu.cn

中图分类号: V524
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- 被引次数: 0
出版历程
- 收稿日期: 2020-09-27
- 修回日期: 2020-10-12
- 刊出日期: 2020-11-15

Liquid-gas Interface Analysis of Propellant Tank Based on Surface Evolver

1 National Innovation Institute of Defense Technology, Chinese Academy of Military Science, Beijing 100071;
2 College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073;
3 China Aerodynamics Research and Development Center, Mianyang 621000)

摘要

摘要: 推进剂贮箱是航天器系统的重要部件，用于实现推进剂的管理与输运.在空间微重力条件下，贮箱内部液面呈弯曲状，掌握其液面分布特性是保证贮箱正常工作的前提.针对球形推进剂贮箱，采用Surface Evolver软件对其内部气液自由界面分布特性展开研究，分析充液比、接触角、Bond数等参数对贮箱液面的影响，得到液面分布随各参数的变化规律.研究结果表明，球形贮箱液面曲率随充液比的增大而增大，随接触角或Bond数的增大而减小.研究结果有助于实现推进剂贮箱液面快速分析，为贮箱及推进剂管理装置设计提供参考.
- 推进剂贮箱 /
- 气液界面 /
- 微重力 /
- Surface Evolver
Abstract: Propellant tank is an important part of spacecraft system, which is used for the management and transportation of propellant. Under the microgravity condition, the liquid-gas interface inside the propellant tank is curved. The investigation of the liquid-gas interface distribution characteristics is the premise to ensure the normal operation of the propellant tank. In this paper, Surface Evolver, an open-source surface evolution analysis software, is used to study the distribution characteristics of liquid-gas interface in spherical propellant tanks. The influences of filling ratio, contact angle, Bond number and other parameters on the liquid-gas interface are analyzed emphatically, and the variation law of the liquid-gas interface distribution in the propellant tank with each parameter is obtained. The results show that the shape of the liquid-gas interface of the spherical tank is more curved with the increase of the liquid filling ratio, and more flat with the increase of the contact angle or Bond number. Rapid analysis of the liquid-gas interface of the propellant tank is realized, which can provide guidance for the design of the propellant tank and the propellant management device.
- Propellant tank /
- Free surface /
- Microgravity /
- Surface Evolver

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参考文献(22)

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