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Development of an Aerogel Sample Collector for Martian Dust Sample Return

机译:开发Martian粉尘样本返回的Airgel样本收集器

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Lately, a Mars Aero-flyby Sample Collection (MASC) mission has been proposed at Japan Aerospace Exploration Agency (JAXA). For the purpose of improving the feasibility of MASC, the development of a sampling system during flying in the Martian dusty atmosphere and the optimization of its system for sampling conditions are crucial. In this work, we have developed aerogel sample collector laboratory models using silica and carbon aerogels as well as a sample extraction and analysis system for particles smaller than 10 μm. The performance of these sample collector models has been investigated by carrying out arcjet heating and light-gas-gun experiments. In consequence, the superiority of the carbon aerogel against heating compared to silica aerogel has been validated. Also, estimated Martian dust particles were successfully captured by the sample collectors, and the particle extraction system has been demonstrated for 5 μm-class samples.
机译:最近,在日本航空航天勘探机构(JAXA)提出了MARS Aero-Flyby样品收集(MASC)任务。为提高MASC的可行性,在火灾尘埃大气中飞行期间的采样系统的开发和其采样条件的优化是至关重要的。在这项工作中,我们开发了使用二氧化硅和碳气孔的Airgel样品收集器实验室模型,以及小于10μm的颗粒的样品提取和分析系统。通过实施Arcjet加热和轻气枪实验,研究了这些样品收集器模型的性能。结果,已验证了与二氧化硅气凝胶相比加热加热的碳气凝胶的优越性。此外,通过样品收集器成功捕获了估计的火山粉尘颗粒,并且已经证明了5μm样品的颗粒提取系统。

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