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Physical Properties of Icy Materials

Pitcher, Craig and Gao, Yang (2018) Physical Properties of Icy Materials In: Outer Solar System: Prospective Energy and Material Resources. Springer International Publishing, pp. 15-29. ISBN 978-3-319-73844-4

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There is evidence that water-ice exists on a number of bodies in the solar system. As ice deposits may contain biomarkers that indicate the presence of life, or can be used as a consumable resource for future missions, confirming these observations with in-situ measurements is of great interest. Missions aiming to do this must consider how the presence of water-ice in regolith affects both the regolith’s properties and the performance of the instruments that interact with it. The properties of icy lunar and Martian regolith simulants in preparation for currently planned missions are examined in this chapter. These results can be used in future instrumentation testing and missions designed to explore other icy bodies in the solar system. The testing of icy lunar regolith simulants is summarised, before focusing on experiments demonstrating the change in properties of frozen NU-LHT-2M, a simulant of the highlands regolith found at the lunar poles, as water is added. Further tests showed a critical point of 5 ± 1% water mass content where the penetration resistance significantly increases. The addition of water to Martian regolith simulants was also examined, with the presence of salts resulting in the formation of cemented crusts under simulated Martian conditions. Additional tests with the ExoMars PSDDS demonstrated how increased internal cohesion caused by the water resulted in the failure of the instrument.

Item Type: Book Section
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Editors :
Badescu, Viorel
Zacny, Kris
Date : 27 May 2018
DOI : 10.1007/978-3-319-73845-1_2
Copyright Disclaimer : © 2018 Springer International Publishing AG, part of Springer Nature
Related URLs :
Depositing User : Clive Harris
Date Deposited : 18 Apr 2018 10:33
Last Modified : 06 Sep 2019 11:22

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