http://marspedia.org/api.php?action=feedcontributions&user=212.143.93.29&feedformat=atomMarspedia - User contributions [en]2024-03-28T20:43:30ZUser contributionsMediaWiki 1.34.2http://marspedia.org/index.php?title=Experimental_setup&diff=7292Experimental setup2012-07-23T19:50:18Z<p>212.143.93.29: /* assumptions */</p>
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<div>The existing knowledge about [[Mars]] is a valuable basis for planning the first [[settlement]], but during the development of the Marspedia project some open issues arise, that require an '''Experimental Setup'''.<br />
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The needed knowledge can be obtained by simulating [[environmental conditions|Martian conditions]] in a terrestrial lab, where the experimental setup is placed. Only certain parameters have to be simulated, mostly [[atmosphere|air pressure]] and temperature. This page collects descriptions of those experiments required to find the needed knowledge.<br />
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==greenhouse heating==<br />
The amount of [[energy]] to heat a Martian [[greenhouse]], that is lit by direct or indirect [[sunlight]], is unknown. It depends on the temperature difference between the Martian [[atmosphere]] and the temperature inside the greenhouse. It depends even more on the shape and the insulation methods and materials. An example layering of [[insulation]] must be developed. Influences of different greenhouse sizes must be taken into account. The whole concept must be [[radiation]] proof, protecting the construction and the plants inside.<br />
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===goals of the experiment===<br />
*A viable shape of the greenhouse, capable to hold the air pressure.<br />
*A viable layering of insulation.<br />
*The required amount of energy per m<sup>2</sup>.<br />
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==soil production==<br />
[[Soil]] can be made from powdered [[regolith]], enriched with artificial fertilizer and moistured with [[water]]. A small amount of terrestrial soil implants [[microbes]] and [[insects]]. Seeds of [[pioneer plants]] are used to start greening. It is unclear, how long it takes to make mold this way, allowing to grow food plants. <br />
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===assumptions===<br />
*The temperature is constantly at 20°C.<br />
*The air pressure is terrestrial sea level.<br />
*The production of soil starts with 1 kg of natural soil and is carried out in a sequence of soil generations, multiplying the amount of usable soil.<br />
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===goals of the experiment===<br />
*The best mixture for each generation.<br />
*The best amount of moisture.<br />
*The best pioneer plants.<br />
*The time until 1000 kg of new soil is ready for food production.<br />
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==wind turbine==<br />
The low [[atmosphere|atmospheric]] pressure on Mars has an effect on the work of a [[wind turbine]]. This can be simulated on Earth in a low pressure wind tunnel. The best shape of the rotor wings for thin air is needed. The stability for heavy [[dust storms]] must be considered. Additionaly we need an [[Needed explorations#Wind|exploration on the Martian surface]] to find out about the strength and frequency of winds.<br />
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===assumptions===<br />
The known [[atmosphere|air pressure]] and wind speed values of the [[environmental conditions|Martian environment]] are used for the experiment.<br />
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===goals of the experiment===<br />
*best shape of the rotor wings<br />
*strength of the material and viable size<br />
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==water out of the atmosphere==<br />
The Martian [[atmosphere]] contains a small percentage of water. With liquefaction technology the production of water should be able all over the planet's surface.<br />
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===assumptions===<br />
The known [[atmosphere|air pressure]], temperature and moisture values of the [[environmental conditions|Martian environment]] are used for the experiment.<br />
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===goals of the experiment===<br />
A comparison of different technical approaches with respect to<br />
*energy consumption<br />
*maintainability<br />
*initial investigation<br />
*required space<br />
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==See also==<br />
*[[Needed explorations]]<br />
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[[Category: Technology]]</div>212.143.93.29