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解惑“巴西女人和ZoZ0的性”-译文小记

液体动力多项“首巴西女人和ZoZ0的性次”推举“长十二”飞天

来源: 油圈网
2024-12-01 18:04:28

最佳回答

“巴西女人和ZoZ0的性”液体动力多项“首巴西女人和ZoZ0的性次”推举“长十二”飞天

  中新巴西女人和ZoZ0的性社西安12月1日电 (记巴西女人和ZoZ0的性者 张一辰)北京时间11月30日晚,长征十二号运载火箭在海南商业航天发射场首飞成功,中国航天科技集团六院(下称:航天科技六院)为本次发射用火箭提供了全部动力,包含一级、二级共6台发动机,辅助动力系统16台推力器及相关配套产品。

  本次发射任务,实现了中国火箭发动机单模块内推力最大构型首飞、130吨级泵后摆补燃循环液氧煤油发动机首飞、二级双机并联液氧煤油发动机两次启动状态首飞、液氧煤油发动机推进剂——煤基航天煤油在长征系列运载火箭的首次使用等多项“首次”。

  据介绍,多台发动机协同工作给研制工作提出了许多新要求,面对发动机并联空间紧凑、四台分机间距离小等挑战,航天科技六院研制团队在虚拟环境下进行发动机并联,通过改进工艺装备、优化装配流程提前将问题规避。

  航天科技六院表示,该院研制的130吨级泵后摆补燃循环液氧煤油发动机首飞,是本次发射任务的关键环节。2024年4月,该发动机四机并联点火试验完成,其并联总推力超500吨,是中国液体动力发展史上推力最大、系统最为复杂的一次发动机点火试验。

  本次发射任务中,不仅长征十二号运载火箭的首飞令人瞩目,中国首个商业发射场的首秀也备受关注,在其建设过程中,由航天科技六院研制的加注供气系统和喷水降噪系统为首发任务成功提供了保障。(完)

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