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更先进!长征八号、长征九号最新研发进展披露

2017-06-09 09:40:07   中国军网

原标题:更先进!长征八号长征九号最新研发进展披露

超大推力重复使用成本低廉,我国正研发更先进的运载火箭

火箭是人类进入太空的最主要方式。为了探索和利用更深远的宇宙,我国正研发更先进的火箭运输系统。8日,在京举行的全球航天探索大会上,中国火箭专家们宣布了中国重型火箭、低成本火箭和可重复使用运载器的最新研发进展。

瞄准深空探测,重型火箭低轨运力可达140吨

当前,世界航天强国纷纷启动重型运载火箭研制计划,欧洲、日本、印度竞相推进新型大运载火箭研究论证。与此同时,中国航天人也加紧研制自己的重型运载火箭。

国际宇航科学院院士、中国航天科技集团一院科技委主任鲁宇表示,我国现有长征系列运载火箭运载能力仍需继续提升。“目前,中国的重型火箭正进行先期关键技术攻关、方案深化论证研究,计划于2028年至2030年首飞,近地轨道运载能力可达140吨。”鲁宇说。

据国家航天局副局长吴艳华介绍,我国重型运载火箭拟命名长征九号。

专家表示,重型火箭先期关键技术攻关、方案深化论证的主要内容为“一总三大”:一总即重型火箭的总体技术和方案优化;三大即10米级大直径箭体结构的设计、制造和试验,480吨大推力的液氧煤油发动机,220吨大推力的氢氧发动机。

中国航天科技集团公司六院科技委主任谭永华告诉记者,480吨液氧煤油发动机已经完成了首次发生器-涡轮泵联试,试验达到了预期目的。

鲁宇介绍,重型火箭的运载能力将在现有的长征五号大型运载火箭基础上大幅提升,主要瞄准深空探测,月球转移轨道运载能力可达50吨,可满足未来建立月球基地、载人登月等方面的需求,并为我国火星探测和其他深空探测提供强大的运载平台。

2016年11月3日20时43分,我国最大推力新一代运载火箭长征五号在中国文昌航天发射场点火升空。记者冯凯旋摄(资料图)

研发成本低,长征八号弥补轨道发射能力“空档”

随着人类太空探索能力的不断成熟,“如何进入太空”的问题已逐渐转为“如何低成本进入太空”。

据国际宇航科学院(IAA)研究,太空发电站、载人深空探测、小行星采矿以及卫星发射等需求到2045年将达10万吨级运载量。未来20年内太空旅游预计将发展成为数十亿美元的产业。

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