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中国首次在轨卫星“太空加油”试验取得圆满成功

2016-07-01 09:05:43   新华网

据新华社6月30日报道,国防科技大学6月30日发布消息,由国防科技大学自主设计研制、搭载长征七号运载火箭发射升空的“天源一号”卫星在轨加注实验载荷,成功完成微重力条件下流体管理与加注、高精度推进剂测量等9项在轨试验。北京航天飞行控制中心收到的遥测与数传数据表明,我国首次卫星在轨加注试验取得圆满成功。

“天源一号”是我国首个卫星在轨加注飞行试验系统,具有集成度高、自主性强、稳定性好等特点。6月25日晚,这一系统搭载长征七号运载火箭,在我国海南文昌航天发射场发射升空,准确进入预定轨道。随后几天,“天源一号”根据预定计划进行了卫星在轨加注核心关键技术试验与验证,获取了3种贮箱加注全过程的完整视频和相关试验数据,加注过程稳定,测量与控制精度高,实测结果满足设计指标要求,为我国掌握卫星在轨加注技术奠定了坚实基础。

据了解,卫星在轨加注类似飞机空中加油,通过直接传输的方式对卫星进行气、液补给,可大幅延长卫星在轨寿命,提高卫星机动能力。测算表明,如果给静止轨道上的卫星补给60公斤燃料,即可延长卫星寿命12个月。因此,卫星在轨加注一直是国际航天领域的研究热点,但由于技术复杂、实现难度大,目前仅有极少数国家开展过这项试验。

近年来,国防科技大学在国家相关科研计划支持下,联合多家优势单位,对“卫星在轨加注技术”进行深入系统研究,经过持续探索与攻关,在“微重力条件下流体迁移及稳定性分析”等理论研究方面取得重要突破,先后取得一系列关键技术,研制出30余台套地面原理样机,获得发明专利20余项,部分技术指标达到国际先进水平,为推进我国卫星在轨加注技术工程化、实用化迈出坚实一步。

责任编辑:张海潮 CM013
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