Design, implementation, and performance of the primary reflector for SALTUS

IF 1.7 3区工程技术 Q2 ENGINEERING, AEROSPACE

Journal of Astronomical Telescopes Instruments and Systems Pub Date : 2024-09-01 DOI:10.1117/1.jatis.10.4.042306

Jonathan W. Arenberg, Leon K. Harding, Bob Chang, Steve Kuehn, Dave Oberg, Michaela N. Villarreal, Arthur L. Palisoc, Christopher K. Walker, Daewook Kim, Zach Lung, Dave Lung

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Abstract

The Single Aperture Large Telescope for Universe Studies (SALTUS) is a mission concept for a far-infrared observatory developed under the recent Astrophysics Probe Explorer opportunity from the National Aeronautics and Space Administration. The enabling element of the program is a 14-m diameter inflatable primary mirror, M1. Due to its importance to SALTUS and potentially other space observatories, we focus entirely on M1. We present a historical overview of inflatable systems, illustrating that M1 is the logical next step in the evolution of such systems. The process of design and manufacture is addressed. We examine how M1 performs in its environment in terms of the operating temperature, interaction with the solar wind, and shape change due to non-penetrating particles. We investigate the longevity of the inflatant in detail, show that it meets mission lifetime requirements with ample margin, and discuss the development and testing to realize the flight M1.

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SALTUS 主反射器的设计、实施和性能

宇宙研究用单孔径大型望远镜（SALTUS）是根据美国国家航空航天局最近提供的天体物理学探测器探索机会而开发的远红外天文台任务概念。该计划的有利因素是一个直径为 14 米的充气式主镜 M1。由于其对 SALTUS 以及潜在的其他空间观测站的重要性，我们将重点完全放在 M1 上。我们介绍了充气式系统的历史概况，说明 M1 是此类系统发展过程中合乎逻辑的下一步。我们讨论了设计和制造过程。我们研究了 M1 在工作温度、与太阳风的相互作用以及非穿透性粒子导致的形状变化等方面的环境性能。我们详细研究了充气装置的寿命，表明它能满足任务的寿命要求，并讨论了实现 M1 飞行的开发和测试过程。

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来源期刊

Journal of Astronomical Telescopes Instruments and Systems Engineering-Mechanical Engineering

CiteScore

4.40

自引率

13.00%

发文量

119

期刊介绍： The Journal of Astronomical Telescopes, Instruments, and Systems publishes peer-reviewed papers reporting on original research in the development, testing, and application of telescopes, instrumentation, techniques, and systems for ground- and space-based astronomy.