Heating and cooling space habitats isn’t easy – one engineering team is developing a lighter, more efficient solution

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Heating and cooling space habitats isn’t easy – one engineering team is developing a lighter, more efficient solution
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It’s hard to keep a spacecraft cool, but ongoing research on the International Space Station might yield a solution.

so we could get an idea of how the system performed in an environment similar to that of space.

In August 2021 we completed the flow boiling module and launched it to the International Space Station for . By July 2022 we’d completed the boiling experiments. In August 2023 the flow condensation module followed, and we’ll start working on the final condensation tests soon. are far more sensitive to gravity than the purely liquid systems used now, so it’s harder to design ones that work under reduced gravity.

The mechanism behind these systems has to do with the motion of liquid relative to the vapor, and what that motion looks like depends onBuoyancy is determined by gravity as well as the density difference between liquid and vapor. So any change in gravity affects the system’s buoyancy, and thus the movement of the vapor relative to the liquid.

In space, there are also different strengths of gravity that the systems might need to operate under. Space vehicles experience

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