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TAGSAM: A gas-driven system for collecting samples from solar system bodies

机译:TAGSAM:一种气体驱动系统,用于从太阳能系统主体收集样品

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We have developed a rapid, minimally-contacting, method of collecting sample material from regolith-bearing surfaces of solar system bodies using gas flow to entrain particles and direct them toward collection cavities. Because it can be implemented in a brief, pogo-style interaction with a surface, it is termed the Touch-And-Go Sample Acquisition Mechanism (TAGSAM). With only a few-seconds of interaction needed to acquire sample, the method has major favorable ramifications on spacecraft design, eliminating any need for landing, anchoring, or sustained surface operations. The technique employs pressurized gas which is directed at a regolith surface by the TAGSAM ¿¿¿head.¿¿¿ This unit is designed to provide geometrical constraints that direct the release of gas into the regolith, that shape the flow path of the entrained particles, that achieve the capture of particles with release of gas back to the environment, and that contains the sample within the unit. The entire head is passively positioned to conform to the tilt of a natural surface with a universal joint, and can then be placed and released into the interior of a sample return capsule.
机译:我们已经开发出一种快速,最小接触的方法,该方法使用气流从太阳能系统主体的带有重石料的表面收集样本材料,并利用气流夹带颗粒并将它们引向收集腔。因为它可以与表面进行简短的Pogo式交互来实现,所以它被称为即触即用采样采集机制(TAGSAM)。只需几秒钟的交互就可以获取样本,该方法对航天器的设计具有重要的有利影响,从而无需进行着陆,锚定或持续的地面操作。该技术采用了由TAGSAM喷头将加压气体引导到重石块表面的方法。该装置设计用于提供几何约束,将气体释放到重石块中,从而形成夹带颗粒的流路。 ,可实现捕获颗粒并释放出气体回到环境,并且将样品包含在装置内。整个头部被动放置,以适应万向节自然表面的倾斜,然后可以放置并释放到样品返回胶囊的内部。

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