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长征五号成功完成重大地面试验 2016年首飞 - 站长搜索
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长征五号成功完成重大地面试验 2016年首飞

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2015-08-18 11:27:59 转载来源: 网络整理/侵权必删

记者从国家国防科技工业局获悉,8月17日下午16时35分,我国目前运载能力最大的长征五号运载火箭,在北京成功进行了芯二级动力系统第二次试车。此次试车是长征五号运载火箭工程重大地面试验的收官之作,为后续转入发射场合练和成功实现首飞奠定了坚实基础

记者从国家国防科技工业局获悉,8月17日下午16时35分,我国目前运载能力最大的长征五号运载火箭,在北京成功进行了芯二级动力系统第二次试车。此次试车是长征五号运载火箭工程重大地面试验的收官之作,为后续转入发射场合练和成功实现首飞奠定了坚实基础。

用于此次试验的长征五号运载火箭芯二级产品,直径5米,使用无毒无污染的液态氧和液态氢作为火箭发动机推进剂。点火后,火箭芯二级动力系统按照真实飞行时序,圆满完成了两次启动点火,考核验证了芯二级模块设计方案的正确性和工作协调性。

在天津厂区完成测试的长征五号芯二级动力系统试车箭。左侧是5米直径的二级液氢储箱,右侧是3.35米直径的二级液氧储箱。

长征五号运载火箭不仅是我国首型全新研制的新一代运载火箭,也是我国目前运载能力最大的运载火箭,能够将我国进入空间的能力提升2.5倍以上,可实现地球同步转移轨道最大14吨级的运载能力。工程研制的总体技术指标位居亚洲第一、世界前三,工程研制跨度、技术难度以及任务实施规模在我国运载火箭研制史上均属首次。

长征五号运载火箭成功突破我国5米大直径箭体结构设计、制造及试验技术难关,圆满完成我国最大规模助推器分离等一系列大型地面试验,大幅提升了我国运载火箭的总体技术水平;圆满完成120吨液氧煤油发动机、50吨液氢液氧发动机等的研制,填补了国内空白,达到国际先进技术水平,有力提升了我国航天液体火箭动力技术发展,为进一步完善我国运载火箭能力布局提供了有力保障。此外,长征五号运载火箭的研制,辐射带动了我国多种新材料成型、加工以及大型复杂结构件精密制造等一系列基础技术发展,为我国新型高强度、轻质化材料的深化应用奠定了基础。

长征五号运载火箭由航天科技集团公司中国运载火箭技术研究院抓总研制,计划于2016年择机进行首次飞行试验,2017年前后在海南发射场发射探月工程三期嫦娥五号探测器。

标签: 长征 五号 成功 完成 重大 地面 试验 2016 年首


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