航天推进技术研究院主办
[1]陈 佳,顾铖璋,林仁邦,等.主结构与贮箱共承力航天器推进平台设计[J].火箭推进,2020,46(04):67-73.
CHEN Jia,GU Chengzhang,LIN Renbang,et al.Design of spacecraft propulsion platform with main structure and tank bearing together[J].Journal of Rocket Propulsion,2020,46(04):67-73.
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CHEN Jia,GU Chengzhang,LIN Renbang,et al.Design of spacecraft propulsion platform with main structure and tank bearing together[J].Journal of Rocket Propulsion,2020,46(04):67-73.
主结构与贮箱共承力航天器推进平台设计
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
46
期数:
2020年04期
页码:
67-73
栏目:
研究与设计
出版日期:
2020-08-18
- Title:
- Design of spacecraft propulsion platform with main structure and tank bearing together
- 文章编号:
- 1672-9374(2020)04-0067-07
- Keywords:
- bearing together; propulsion platform; tank; variable stiffness; optimal design
- 分类号:
- V19
- 文献标志码:
- A
- 摘要:
- 航天器推进平台轻量化设计是提升航天器任务效率和优化系统性能的重要突破口。目前,通用推进平台的贮箱极少参与推进平台承载,推进平台需要通过辅助承力构件将贮箱载荷传递至主结构,降低了推进平台的承载效率。为此提出了一种主结构与贮箱共承力的推进平台构型,新研表面张力贮箱通过嵌入安装的方式安装在承力筒侧壁,并通过对承力筒主结构开展变刚度设计,实现对贮箱承载量级的合理控制。以某卫星型号的研制需求为例,基于Nastran软件对其推进平台的结构设计参数进行了优化设计,并开展仿真分析和试验验证。研究结果表明,主结构与贮箱共承力推进平台力学性能与通用推进平台相当,但推进平台干重占比可降至13.6%,可有效提升推进平台的整体效率。研究结果可作为大型航天器推进平台设计参考。
- Abstract:
- The lightweight design of the spacecraft propulsion platform is crucial to improve the spacecraft mission efficiency and optimize the system performance.At present, the tank of the typical propulsion platform rarely participates in the load bearing, so an auxiliary bearing structure is used to transfer the tank load to the main structure, which reduces the bearing efficiency of the propulsion platform.For the lightweight design requirement of spacecraft, a propulsion platform with main structure and fuel tank bearing together is presented.The new developed surface tension tank is installed on the sidewall of the bearing cylinder by embedded installation, and the load level of the tank is controlled reasonably through the variable stiffness design of the bearing cylinder.Basis on the example of a satellite development, structural design parameters of the propulsion platform was optimized based on Nastran software, and simulation analysis and experimental verification were carried out.The research results show that the mechanical properties of propulsion platform with main structure and fuel tank bearing together is equivalent to that of a general propulsion platform, but the dry weight proportion of propulsion platform can be reduced to 13.6%, which can improve the system efficiency remarkably.The research results can be a reference for the propulsion platform design of large spacecraft.
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备注/Memo
收稿日期:2019-11-09; 修回日期:2020-02-17
基金项目:国防科技创新项目(163-161)
作者简介:陈佳(1986—),男,硕士,高级工程师,研究领域为航天器结构设计与仿真技术
更新日期/Last Update:
2020-07-30