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Thermodynamics
How does evaporation generate cooling? Swamp coolers edition
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[QUOTE="russ_watters, post: 6858372, member: 142"] For liquids and solids temperature is not proportional to kinetic energy. The water loses potential energy and it's converted to kinetic energy in the vapor. Yes. It's a hydrogen bond: [URL]https://en.wikipedia.org/wiki/Hydrogen_bond#Hydrogen_bonds_in_small_molecules[/URL] No. This energy is not released as electricity. No. Steam engines use generators. They do not convert steam thermal energy directly into electricity. This is unlikely. There are only 4 fundamental forces and only two of them act outside the nucleus of the atom. Although I suppose electromagnetism can "hide" in other places. Spring potential energy is ultimately electromagnetic for example. It doesn't go anywhere. It's being stored. That's the point. Some do, some don't, and no, that's not directly related to potential energy. No, gravity is its own force. There's no mystery here for scientists/engineers. You just don't quite have it yet. In transfer or conversion it wouldn't be potential energy. The whole point of potential energy is that it is stationary. It's due to the position of the object in a force field. [/QUOTE]
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How does evaporation generate cooling? Swamp coolers edition
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