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Pantheon habitat made from regolith, with a focusing solar reflector
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences ( IF 5 ) Pub Date : 2020-11-23 , DOI: 10.1098/rsta.2020.0142 Nick Woolf 1 , Roger Angel 1
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences ( IF 5 ) Pub Date : 2020-11-23 , DOI: 10.1098/rsta.2020.0142 Nick Woolf 1 , Roger Angel 1
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We describe a polar Moon base habitat using direct solar energy for construction, food production and atmospheric revitalization. With a growing area as large as 2000 m2, it could provide for 40 or more people. The habitat is built like the ancient Roman Pantheon, a stone structure with a top circular oculus, bringing in focused sunlight that is spread out to crops below. The conical, corbelled structure is built from cast regolith blocks, held in compression despite the large internal atmospheric pressure by a regolith overlayer 20–30 m thick. It is sealed on the inside against leaks with thin plastic. A solar mirror concentrator used initially to cast the building blocks is later used to illuminate the habitat through a small pressure window at the oculus. Three years of robotic preparation of the building blocks does not seem excessive for a habitat which can be expected to last for millennia, as has the Treasury of Atreus made by similar dry-stone construction. One goal of returning to the Moon is to demonstrate the practicality of long-term human habitation off the Earth. The off-axis, paraboloidal reflecting mirror is rotated about the vertical polar axis in order to direct horizontal sunlight downward to a focus. In this way, the heavy materials needed from Earth to build and power the habitat are largely limited to the solar concentrator and regolith moving and moulding equipment. By illuminating with a reflector rather than with electricity, the solar collection area is 20 times smaller than would be needed for PV cells. This article is part of a discussion meeting issue ‘Astronomy from the Moon: the next decades’.
中文翻译:
由风化土制成的万神殿栖息地,带有聚焦的太阳能反射器
我们描述了使用直接太阳能进行建筑、粮食生产和大气振兴的极地月球基地栖息地。种植面积达2000平方米,可容纳40人以上。栖息地的建造方式类似于古罗马万神殿,这是一种带有顶部圆形眼孔的石头结构,将集中的阳光照射到下方的农作物上。圆锥形的牛腿结构由铸造风化层块构成,尽管内部大气压力很大,但由 20-30 m 厚的风化层覆盖层保持压缩。它的内部用薄塑料密封以防止泄漏。最初用于铸造积木的太阳镜聚光器后来用于通过眼部的小压力窗口照亮栖息地。对于一个预计可以持续数千年的栖息地来说,三年的建筑积木机器人准备似乎并不过分,就像用类似的干石结构建造的阿特柔斯宝库一样。重返月球的目标之一是证明人类长期居住在地球之外的实用性。离轴抛物面反射镜围绕垂直极轴旋转,以便将水平阳光向下引导至焦点。通过这种方式,从地球上建造栖息地并为其供电所需的重型材料在很大程度上仅限于太阳能聚光器和风化层移动和成型设备。通过用反射器而不是用电照明,太阳能收集面积比光伏电池所需的面积小 20 倍。
更新日期:2020-11-23
中文翻译:
由风化土制成的万神殿栖息地,带有聚焦的太阳能反射器
我们描述了使用直接太阳能进行建筑、粮食生产和大气振兴的极地月球基地栖息地。种植面积达2000平方米,可容纳40人以上。栖息地的建造方式类似于古罗马万神殿,这是一种带有顶部圆形眼孔的石头结构,将集中的阳光照射到下方的农作物上。圆锥形的牛腿结构由铸造风化层块构成,尽管内部大气压力很大,但由 20-30 m 厚的风化层覆盖层保持压缩。它的内部用薄塑料密封以防止泄漏。最初用于铸造积木的太阳镜聚光器后来用于通过眼部的小压力窗口照亮栖息地。对于一个预计可以持续数千年的栖息地来说,三年的建筑积木机器人准备似乎并不过分,就像用类似的干石结构建造的阿特柔斯宝库一样。重返月球的目标之一是证明人类长期居住在地球之外的实用性。离轴抛物面反射镜围绕垂直极轴旋转,以便将水平阳光向下引导至焦点。通过这种方式,从地球上建造栖息地并为其供电所需的重型材料在很大程度上仅限于太阳能聚光器和风化层移动和成型设备。通过用反射器而不是用电照明,太阳能收集面积比光伏电池所需的面积小 20 倍。