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Jul 11, 2012
Thermal Energy Storage Capacity of Sintered Australian Lunar Soil Simulants
Authors: Aaron Bonanno [email protected], Alistair Sproul [email protected], and Leonhard E. Bernold [email protected]Author Affiliations
Publication: Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
The maximal dependence on In-Situ lunar resources is essential for the establishing and sustaining a future lunar base. One key need of such an enterprise is a reliable source of energy to power the many needed equipment and devices. This paper presents an effort to study the effectiveness of lunar regolith as an ISRU medium to store thermal energy for use during the lunar night. The goal of the work was to compare the thermal properties of an Australian Lunar Simulant (ALS-1) with other materials and lunar regolith. For this, ALS-1 was sintered in an electric furnace to determine the Specific Heat Capacity (Cp) of the fused material. The resulting sample properties were evaluated with reference to thermal energy storage. The initial experimental results suggest that fusing the abundant fines of the basaltic lunar regolith creates a material that has an efficient capacity to store thermal energy. Factors that enhance its effectiveness are: a) vacuum (considered another ISRU), b) simplicity of installation and operation, and c) expandability of capacity.
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© 2012 American Society of Civil Engineers.
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Published online: Jul 11, 2012
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UG, School of Photovoltaic and Renewable Energy Engineering., University of New South Wales., Sydney, NSW 2032 Australia. E-mail: [email protected]
Associate Professor, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, NSW 2032 Australia. E-mail: [email protected]
Associate Professor, School of Civil and Environmental Engineering, University of New South Wales, NSW 2032 Australia. E-mail: [email protected]
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