Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers

Abstract For a sustainable human presence on the Moon, it is critical to develop technologies that could utilise the locally available resources (a.k.a. in situ resource utilisation or ISRU) for habitat construction. As the surface soil is one of the most widely available resources at the Moon, we h...

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Autores principales:	Sungwoo Lim, James Bowen, Giulia Degli-Alessandrini, Mahesh Anand, Aidan Cowley, Vibha Levin Prabhu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4d99d37df73944b992b5d431dde150c1
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id	oai:doaj.org-article:4d99d37df73944b992b5d431dde150c1
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spelling	oai:doaj.org-article:4d99d37df73944b992b5d431dde150c12021-12-02T10:49:22ZInvestigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers10.1038/s41598-021-81691-w2045-2322https://doaj.org/article/4d99d37df73944b992b5d431dde150c12021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81691-whttps://doaj.org/toc/2045-2322Abstract For a sustainable human presence on the Moon, it is critical to develop technologies that could utilise the locally available resources (a.k.a. in situ resource utilisation or ISRU) for habitat construction. As the surface soil is one of the most widely available resources at the Moon, we have investigated the viability of microwave heating of a lunar soil simulant (JSC-1A). JSC-1A was thermally treated in a bespoke microwave apparatus using 2.45 GHz frequency, using five different microwave powers in the range of 250 W to 1000 W. The structural properties of the resulting products were analysed to determine whether their microstructures and mechanical strengths differ under different input powers; and whether input power plays a crucial role in triggering thermal runaway, for identifying the optimum power for developing a microwave-heating. Our key findings are: (i) the higher input powers (800 W and 1000 W) generate the highest yields and microstructures with the greatest mechanical strengths, at the shortest fabrication times, and (ii) thermal runaway improves the microwave heating efficiency despite the rapid increase in temperature, once it is triggered. Our findings are of key importance for developing a microwave-heating payload for future lunar ISRU demonstration missions, contributing towards 3D printing-based extra-terrestrial construction processes.Sungwoo LimJames BowenGiulia Degli-AlessandriniMahesh AnandAidan CowleyVibha Levin PrabhuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sungwoo Lim James Bowen Giulia Degli-Alessandrini Mahesh Anand Aidan Cowley Vibha Levin Prabhu Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
description	Abstract For a sustainable human presence on the Moon, it is critical to develop technologies that could utilise the locally available resources (a.k.a. in situ resource utilisation or ISRU) for habitat construction. As the surface soil is one of the most widely available resources at the Moon, we have investigated the viability of microwave heating of a lunar soil simulant (JSC-1A). JSC-1A was thermally treated in a bespoke microwave apparatus using 2.45 GHz frequency, using five different microwave powers in the range of 250 W to 1000 W. The structural properties of the resulting products were analysed to determine whether their microstructures and mechanical strengths differ under different input powers; and whether input power plays a crucial role in triggering thermal runaway, for identifying the optimum power for developing a microwave-heating. Our key findings are: (i) the higher input powers (800 W and 1000 W) generate the highest yields and microstructures with the greatest mechanical strengths, at the shortest fabrication times, and (ii) thermal runaway improves the microwave heating efficiency despite the rapid increase in temperature, once it is triggered. Our findings are of key importance for developing a microwave-heating payload for future lunar ISRU demonstration missions, contributing towards 3D printing-based extra-terrestrial construction processes.
format	article
author	Sungwoo Lim James Bowen Giulia Degli-Alessandrini Mahesh Anand Aidan Cowley Vibha Levin Prabhu
author_facet	Sungwoo Lim James Bowen Giulia Degli-Alessandrini Mahesh Anand Aidan Cowley Vibha Levin Prabhu
author_sort	Sungwoo Lim
title	Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
title_short	Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
title_full	Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
title_fullStr	Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
title_full_unstemmed	Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers
title_sort	investigating the microwave heating behaviour of lunar soil simulant jsc-1a at different input powers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4d99d37df73944b992b5d431dde150c1
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Investigating the microwave heating behaviour of lunar soil simulant JSC-1A at different input powers

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