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Old 11-02-2005   #9 (permalink)
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Re: nowhere of water droplets?

Quote:
Originally Posted by steelengineer
I think your question was whether there would be the same movement of water droplets, well, since there is no gravity, convection would not take place. however there would be motion of particles due to kinetic energy transfer through momentum. so in the end the entire volume of air would have the same humidity, the same water/dry air ratio. as to the size of the water droplet, however, that is a question to ask.
Convection is nothing to do with gravity. As long as there is air to be transfered heat, convection takes place. Gravity pulls the air. If there is no gravity, there is no air and the convection also never happens. the density of air is lower in zero g, which interns to oversize the water doplet volume and the overall relative humidity ratio within the droplet boundary maintains.


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