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4月27日19时07分,天舟一号货运飞船与天宫二号空间实验室成功完成首次推进剂在轨补加试验,标志天舟一号飞行任务取得圆满成功。突破和掌握推进剂在轨补加技术,填补了我国航天领域的空白,实现了空间推进领域的一次重大技术跨越,为我国空间站组装建造和长期运营扫清了能源供给上的障碍,使我国成为世界上第三个独立掌握这一关键技术的国家。
4月22日12时23分,天舟一号与天宫二号完成交会对接后,天舟一号关闭交会对接设备,进行对接通道复压和检漏,以及设置组合体运行状态,并由天宫二号控制组合体转入天宫二号在后、天舟一号在前的飞行姿态,做好推进剂补加试验相关准备工作。
此次推进剂在轨补加持续约5天,先后进行了补加管路检漏、天宫二号贮箱气体回收、推进剂输送、推进剂吹除等关键步骤。在地面操作人员精确控制下,整个在轨补加过程由天舟一号与天宫二号共同配合完成,其中,天舟一号负责贮箱增压、补加管路检漏,并向天宫二号输送推进剂;天宫二号负责贮箱气体回收,并接收货运飞船输送推进剂。
按计划,天舟一号将在6月中下旬开展第二次推进剂在轨补加试验,进一步巩固取得的技术成果。
此次天舟一号飞行任务,是载人航天工程空间实验室飞行任务的收官之战,对于空间站工程后续任务顺利实施具有极为重要的意义,取得圆满成功标志着我国载人航天工程第二步胜利完成,也正式宣告中国航天迈进“空间站时代”。
责任编辑:李皓 CN002
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