Abstract Lava tubes are subterranean tunnels that form as a result of lava flows and appear to extend for long distances beneath the surface of a planet. They are a naturally occurring feature of the Moon. For decades these cave systems have piqued the interest of researchers, not just for their geological complexity, but also for their potential as a habitation site when humans return to the Moon. The internal environment of a lunar lava tube promises to be a benign alternative to the harsh lunar surface; it can provide natural protection from radiation, micrometeoroids, and extreme temperature fluctuations. This paper furthers the study of lunar lava tubes by presenting the possibility of pressurizing them with breathable air. Using a 2D ANSYS simulation model, a range of lava tube sizes are subjected to varied magnitudes of internal pressurization. It is ultimately concluded that it is possible to pressurize a small lava tube while maintaining its structural integrity.

    Highlights Lunar Lava Tube model based on data has been modeled for unpressurized and pressurized situations. Stability of lava tube structure is ascertained for various roof thicknesses. Conclusions are drawn regarding potential for such lava tubes as pressurized habitats.


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    Titel :

    Pressurized lunar lava tubes for habitation


    Beteiligte:

    Erschienen in:

    Acta Astronautica ; 204 ; 157-174


    Erscheinungsdatum :

    2022-12-11


    Format / Umfang :

    18 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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