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社评“艾慕思脚踏天地官网”-知识课堂

长征十二号近艾慕思脚踏天地官网期首飞 首次亮相第十五届中国航展

来源: 南方都市报
2024-11-18 02:54:28

最佳回答

“艾慕思脚踏天地官网”长征十二号近艾慕思脚踏天地官网期首飞 首次亮相第十五届中国航展

  中新艾慕思脚踏天地官网网上海11月17日电(郑莹艾慕思脚踏天地官网莹 李同)第十五届中国国际航空航天博览会(中国航展)17日闭幕。航展期间,两款“上海造”运载火箭亮相。其中一款是近期将首飞的长征十二号运载火箭,这也是其首次亮相中国航展。

11月12日至17日,长征六号丙运载火箭(模型)亮相第十五届中国航展。(中国航天科技集团上海航天技术研究院供图)

  长征六号丙:“新质火箭”做到“大”“重”“简”

  2024年5月7日,长征六号丙运载火箭在太原卫星发射中心成功首飞。说到这款面向商业发射市场的新一代液体运载火箭,不得不提它的三大特点:“结构简”——单芯级两级构型,“承载重”——500公里太阳同步轨道运载能力约2.4吨,“适配大”——可适配最大规格为4.2米的卫星整流罩。该箭一子级直径为3.35米,二子级直径为2.9米,全箭总长约43米,全箭起飞重量约215吨。

  作为“新质艾慕思脚踏天地官网火箭”,长征六号丙可适配多种任务要求,为后续滚动组批生产、快速履约奠定基础,进一步提高火箭的任务适应性和市场竞争力。

11月12日至17日,长征十二号运载火箭(模型)亮相第十五届中国航展。(中国航天科技集团上海航天技术研究院供图)

  长征十二号:中国首型3.8米直径运载火箭

  计划在近期开展首飞任务的长征十二号运载火箭,是中国首型3.8米直径单芯级液体运载火箭,采用两级构型。

  值得一提的是,该箭首创的3.8米箭体直径设计,综合了中国新一代主力液氧煤油发动机YF-100系列的改进研制情况,以及中国铁路运输能力最大包络边界约束情况,使其可铁路运输至全国各个发射场,称得上“不畏山海均可抵达”。(完)

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