全球最大推力、首型全固体捆绑式运载火箭成功首飞  

Successful flight of the first-type solid strap-on launchvehicle with the largest thrust in the world

作　　者：丁淼 白彦军 晁侃 DING Miao;BAI Yanjun;CHAO Kan(Xi'an Institute of Aerospace Solid Propulsion Technology,Xi'an 710025,China)

机构地区：[1]西安航天动力技术研究所,西安710025

出　　处：《固体火箭技术》2024年第1期1-3,共3页Journal of Solid Rocket Technology

摘　　要：2024年1月11日,全球起飞推力最大的固体运载火箭、中国乃至世界首型全固体捆绑(固体芯级+固体助推动力)运载火箭(表1)——“引力一号”在山东海阳附近海域顺利升空,成功将云遥一号第18~20号卫星送入预定轨道(图1)。此次“引力以一号”火箭首飞成功,全面检验并考核了捆绑式运载火箭构型下固体发动机的强适应、高可靠和易用性,对进一步扩充我国中低轨卫星多样化、规模化发射能力和拓展我国运载火箭型谱、推动空间科学发展具有重大意义,标志着固体动力在宇航和商业航天运载领域的应用拓展取得了新的突破。In recent years,China's solid launch vehicle technology has achieved remarkable progress.On January 11,2024,the first-type solid strap-on“Yinli-1”launch vehicle with the largest thrust in the world successfully finished its first flight.Some key technologies such as thrust synchronization control of large-scale solid rocket motor(SRM),reliable load-bearing of composite cases under large axial tensile loads,and thermal protection design of SRM nozzle were comprehensively tested and verified.Successful flight of“Yinli-1”launch vehicle show strong adaptation and high reliability of SRM,further expanding the type series of launch vehicle and promoting development of space science.

关 键 词：预定轨道 空间科学 发射能力 固体发动机 运载火箭 商业航天 最大推力 首飞 

分 类 号：V435[航空宇航科学与技术—航空宇航推进理论与工程]