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Mars Space Science

There's No Wind Chill On Mars 110

Posted by Soulskill
from the it's-not-the-cold,-it's-the-aridity dept.
sciencehabit writes: Even though daytime temperatures in the tropics of Mars can be about –20C, a summer afternoon there might feel about the same as an average winter day in southern England or Minneapolis. That's because there's virtually no wind chill on the Red Planet, according to a new study — the first to give an accurate sense of what it might feel like to spend a day walking about on our celestial neighbor. "I hadn't really thought about this before, but I'm not surprised," says Maurice Bluestein, a biomedical engineer and wind chill expert recently retired from Indiana University–Purdue University Indianapolis. The new findings, he says, "will be useful, as people planning to colonize Mars need to know what they're getting themselves into."
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There's No Wind Chill On Mars

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  • by Anonymous Coward on Wednesday June 11, 2014 @06:01AM (#47210503)

    Not too relevant for people, but if you're designing a solar collector to warm an underground settlement this is pretty important. You would still need some large mirrors to get enough energy to be useful. But the low atmospheric pressure would dramatically reduce the insulation requirements. Maybe just a couple of layers of reflective foil around the pipework and behind the collector to reduce radiation losses.

    Similarly, if you're planning a high pressure (from a mars perspective) greenhouse this has a real bearing on heat losses.

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