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中国装药量最大固体火箭发动机全尺寸试车成功

2016-05-09 10:23:06   观察者网

据航天科技集团网站5月4日消息,近日,由中国航天科技集团公司四院研制的国内迄今装药量最大的直径2米分段式固体火箭助推发动机全尺寸工程样机地面热试车圆满成功。


直径2米分段式固体火箭助推发动机

本次试验进一步验证了大型分段式固体发动机的设计方案及多项关键技术,标志着我国大型分段式固体火箭发动机关键技术获得重大突破,对推动我国新一代固体捆绑运载火箭固体助推技术的发展和工程应用奠定了坚实基础。这也是继去年长征十一号运载火箭首飞成功后,四院在推动固体火箭发动机向航天运载领域拓展进程中的又一里程碑事件。

通过固体助推器与液体芯级发动机相匹配,可以实现运载火箭动力系统技术性与经济性的完美结合,国外的大型运载火箭大都把固体动力作为主要助推动力,而我国在此领域尚属空白。为适应世界航天发展的新趋势,进一步拓展航天固体动力技术的应用领域与空间,四院本着“动力先行”的原则,密切关注国外固体助推发动机技术应用及发展情况,紧密跟踪技术动态,在积极组织项目论证的同时,同步开展相关技术研究工作,先后取得了多项重大成果和技术进步。

发展运载火箭固体助推动力一直是航天四院人的梦想。近年来四院先后取得了多项重大成果和技术进步:2009年3月,120吨大推力整体式固体火箭发动机关键技术考核地面热试车在国内率先取得成功;2010年4月,1米分段式对接技术验证发动机地面热试车取得成功;2012年7月,2米分段式固体助推技术验证发动机在国内成功完成首次试车;2015年9月,四院提供四级主发动机的我国首枚固体运载火箭CZ-11号首飞成功。

直径2米分段式发动机是运载火箭固体助推动力的代表性产品。经过多年努力,四院设计人员先后成功解决了诸多技术难题,形成了一套完整的分段式固体发动机设计与分析方法,攻克了大型分段式发动机多项关键技术,刷新了我国固体发动机研制史上的多项纪录。

责任编辑:张海潮 CM013
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