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首页> 外文会议>Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments >Developing a Standard Method to Test Rheology of Regolith Simulants
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Developing a Standard Method to Test Rheology of Regolith Simulants

机译：开发测试风化层模拟物流变性的标准方法

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High mineralogical fidelity regolith simulants are used to characterize the surface material on dusty, rocky bodies such as the Moon, Mars, and asteroids. By better understanding their physical properties, including how these dry powders flow, also known as their rheology, we can gain a better understanding into the behavior of the regolith, which can be used to develop more efficient spacecraft and regolith collection devices. We developed a standard method for obtaining flow rates for a variety of regolith simulants; this method gives a standard metric for which we can compare all of our simulants. Studying rheology of mineralogically realistic regolith simulants may assist mission operations, logistics, and hardware development for future missions such as JAXA's MMX which will visit a small rocky body, collect regolith samples, and return them to Earth for analysis. The proposed method may also be used on similar granular materials to better understand their properties for civil engineering and pharmaceutical applications. In addition, understanding the flow rate of a material can be combined with the other geotechnical properties to form a complete picture of the material's behavior.
机译：高矿物学保真度的表土模拟物用于描述月球、火星和小行星等多尘岩石体的表面材料。通过更好地了解其物理性质，包括这些干粉末如何流动，也称为流变学，我们可以更好地了解风化层的行为，这可以用于开发更高效的航天器和风化层收集设备。我们开发了一种标准方法，用于获取各种表土模拟物的流速；该方法给出了一个标准度量，我们可以比较所有模拟物。研究矿物学上逼真的风化层模拟物的流变学，可能有助于任务操作、后勤和未来任务的硬件开发，例如JAXA的MMX，它将访问一个小岩石体，收集风化层样品，并将其返回地球进行分析。所提出的方法也可用于类似的颗粒材料，以便更好地了解其在土木工程和制药应用中的特性。此外，了解材料的流速可以与其他岩土特性相结合，形成材料行为的完整画面。

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