Raytheon long life cryocoolers for future space missions
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Raytheon long life cryocoolers for future space missions

机译：Raytheon Liven Life Life冷冻机用于未来的空间任务

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Highlights?The Low Temperature Raytheon Stirling/Pulse Tube 2-stage Hybrid (LT-RSP2) cryocooler is designed for operation below 10K.?A production LT-RSP2has now been integrated with control electronics and an optical bench. Details of its performance are presented.?The Raytheon Advanced Miniature (RAM) cryocooler is a single stage pulse tube cryocooler designed for relatively low cost and rapid manufacturing.?Two production RAM cryocoolers have been built and tested.?An additional brassboard RAM expander which is optimized for lower temperature operation has been produced.AbstractOver the last several years, Raytheon has made significant advances on two long-life cryocoolers designed for efficient operation on space platforms. The first is the Low-Temperature Raytheon Stirling/Pulse Tube 2-stage (LT-RSP2) hybrid cryocooler, which is capable of providing simultaneous cooling at 55K and 10K nominal first and second stage temperatures. The LT-RSP2 design was finalized in mid-2009, with fabrication of the prototype unit taking place in late 2009 and early 2010 and execution of the production program in 2011–2015. During this period the LT-RSP2has undergone extensive characterization testing and has successfully been integrated with an optical bench. The second cryocooler is the Raytheon Advanced Miniature (RAM) cryocooler, a flight packaged single stage pulse tube cooler with an integrated surge volume and inertance tube. It has been designed for high frequency operation and has been fully optimized to make use of the Raytheon Advanced Regenerator, resulting in improved efficiency relative to previous Raytheon pulse tube coolers. In this paper, aspects of both the LT-RSP2 and RAM mechanical and thermodynamic designs will be presented as well as information regarding their capabilities and performance.]]>
机译：<！[cdata [ 亮点 ？ 低温raytheon斯特林/脉冲管2级混合动力车（LT-RSP2）低温冷却器用于操作在10k以下。 ？ 生产LT-RSP2HAS现已与控制电子设备和光学台面集成。提出了其性能的详细信息。 ？ 雷神高级微型（RAM）低温冷却器是一个单级脉冲管冷冻机，专为相对较低的成本和快速制造而设计。 ？ 两个生产RAM冷冻机已经构建和测试。 ？ 已经生产了额外的铜管RAM扩展器，该铜管RAM扩展器已经生产用于较低的温度操作。 抽象 在过去几年中，雷神对两个长寿冷却器进行了重大进展，该长寿低温器设计用于空间平台的有效运行。首先是低温雷神斯特林/脉冲管2级（LT-RSP2）混合冷冻机，其能够在55K和10K标称第一和第二级温度下同时冷却。 LT-RSP2设计于2009年中期最终确定，2009年底和2010年初在2010年初进行了原型单位，并在2011 - 2015年实施了生产计划。在此期间，LT-RSP2HAS经历了广泛的表征测试，并已成功与光学台集成。第二个冷冻机是雷神先进的微型（RAM）龙眼冷却器，飞行包装单级脉冲管冷却器，具有集成的浪涌体积和惯性管。它专为高频运行而设计，并已完全优化以利用雷神先进的再生器，导致相对于先前的雷神脉冲管冷却器的效率提高。在本文中，将介绍LT-RSP2和RAM机械和热力学设计的各个方面以及有关其能力和性能的信息。 ]]>

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