适应空间站任务的高可靠长征二号F运载火箭  

The High Reliability LM-2F Launch Vehicle for Space Station Mission

作　　者：荆木春 秦曈 宋晶 柳海龙 李文清 Jing Mu-chun;Qin Tong;Song Jing;Liu Hai-long;Li Wen-qing(China Academy of Launch Vehicle Technology,Beijing,100076;Beijing Institute of Astronautical Systems Engineering,Beijing,100076)

机构地区：[1]中国运载火箭技术研究院,北京100076 [2]北京宇航系统工程研究所,北京100076

出　　处：《导弹与航天运载技术》2022年第1期1-5,共5页Missiles and Space Vehicles

摘　　要：长征二号F运载火箭作为中国唯一一型载人火箭,在2021年6月17日成功将“神舟十二号”载人飞船送入预定轨道,标志着中国空间站建造及关键技术验证阶段的首次载人任务圆满成功。从2016年10月17日发射“神舟十一号”载人飞船到2021年发射“神舟十二号”载人飞船,近五年时间里,长征二号F运载火箭不断通过技术创新和设计改进,提高产品可靠性,其飞行可靠性指标也从原来的0.97上升至0.98。结合空间站建造阶段长征二号F火箭新的任务需求,从技术改进、研究方法以及流程优化等方面,介绍长征二号F运载火箭的技术创新和可靠性提升方法。As the China's only manned launch vehicle,the LM-2F has successfully sent the'Shenzhou 12'manned spacecraft into the predetermined orbit on June 17,2021,which marking the successful completion of the first manned mission in the construction and key technology test stage of China's Space Station Project(CSSP).From the launch of'Shenzhou 11'manned spacecraft on October 17,2016 to the'Shenzhou 12'in 2021,in the past five years,the LM-2F launch vehicle has continuously improved product reliability through technology innovation and design improvement,and its flight reliability index has also increased from 0.97 to 0.98.Combined with the new mission requirements of LM-2F launch vehicle in the construction stage of CSSP,the technology innovation and reliability improvement methods of LM-2F are introduced from the aspects of design improvement,research methods and process optimization.

关 键 词：空间站任务 高可靠 技术创新 设计改进 

分 类 号：V475.1[航空宇航科学与技术—飞行器设计]