星河动力50吨级液氧/煤油火箭发动机首次全系统试车成功

3 月 1 日消息，据星河动力空间科技公众号消息，近日，由星河动力航天公司自主研发的“苍穹”50 吨级可重复使用液氧 / 煤油发动机全系统试车取得圆满成功。

据官方介绍，本次试车是“苍穹”发动机的首次全系统试车，目的是验证发动机起动关机时序、系统和结构方案可行性、各组合件工作协调性。试车过程中，发动机按预定程序起动，点火、起动和转级正常，各组件工作正常，燃烧稳定，喷管出口火焰明亮，主要参数与调整计算值一致，按程序关机，试后产品完整，试验取得圆满成功。

官方称，本次试车成功，标志着我国民营商业航天领域最大推力的液氧 / 煤油发动机正式进入工程研制阶段。

“苍穹”50 吨级可重复使用液氧 / 煤油发动机是民营航天自主研制最大推力的液氧 / 煤油发动机，也是国内首款采用针栓式喷注技术的大推力液体火箭发动机，具备深度变推能力，是 200-300 吨级液体火箭垂直回收的最佳选择。除针栓喷注技术外，“苍穹”发动机采用的多回流涡球锥形燃气发生器、同轴双吸涡轮泵、多功能一体化组合阀均属国内首创，国际领先。此次试车的成功，为“智神星一号”中型重复使用液体运载火箭后续研制工作提供有力支撑，也为星河动力航天公司固液并举的商业模式奠定了坚实的基础。

IT之家了解到，星河动力航天是国内第一家实现火箭连续入轨发射成功的民营公司，也是国内第一家进入 500km 太阳同步轨道、第一家实现一箭多星商业发射的民营公司。

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