航天推进技术研究院主办
YUAN Lei,WANG Shen,LIU Tao,et al.Progress of optimization for bipropellant uniform propulsion system[J].Journal of Rocket Propulsion,2014,40(06):7-10.
双组元统一推进系统优化改进技术进展
- Title:
- Progress of optimization for bipropellant uniform propulsion system
- 分类号:
- V434-34
- 文献标志码:
- A
- 摘要:
- 不断提高推进剂在轨管理效率,是应用卫星对推进系统的基本要求,也是推进系统的重要发展方向。推进剂剩余量在轨高精度测量和并联贮箱均衡排放主动控制,是提高推进剂在轨管理效率的重要技术手段。针对我国SAST-5000卫星平台双组元统一推进系统,开展了气体注入压力激励方法的关键技术攻关,并取得重要进展。研究结果表明:改良型气体注入压力激励法的推进剂剩余量在轨测量精度达到-0.68%~0.66%,并联贮箱均衡排放控制措施将被动调节的不均衡度控制在优于1.13%,主动纠偏措施还可进一步提高并联贮箱排放推进剂的同步性。
- Abstract:
- Application satellites have a great demand on improving the efficiency of on-board management of propellant, which is also the demand of propulsion system development. The high-accuracy on-board gauging of the propellant remaining quantity and equalizing expulsion active control of parallel tanks are the important technological means for improving the on-board management efficiency of propellant. The propellant gauging technology using gas injecting method and the technology for equalizing expulsion of parallel propellant tanks were investigated for Chinese SAST-5000 satellite platform. The research result shows that the on-board gauging precision of gas injecting method is -0.68% to 0.66%, and the equalizing expulsion of parallel propellant tanks is 1.13%. The active correction measures can also improve the synchronization of propellant expulsion of parallel tanks.
参考文献/References:
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[6] 达道安, 张天平. 一种适合我国在轨卫星液体推进剂剩余量测量的技术方案[J]. 推进技术, 1997, 18(6): 98-102.
[7] 章玉华. 推进系统并联贮箱均衡排放性能及其控制措施[J]. 火箭推进, 2013 (3): 67-71.
相似文献/References:
[1]杨俊,何永英,连仁志,等.双组元落压推进系统应用现状及关键技术[J].火箭推进,2016,42(04):21.
YANG Jun,HE Yongying,LIAN Renzhi,et al.Application status and key technology of bipropellant blowdown propulsion systems[J].Journal of Rocket Propulsion,2016,42(06):21.
备注/Memo
收稿日期:2014-07-11;修回日期:2014-09-23 基金项目:中国航天科技集团公司支撑项目(2009JY02) 作者简介:袁磊(1977—),研究员,研究领域为空间推进系统设计