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Historical-Offer3075 t1_j5prxx3 wrote

Reply to comment by Bruzote in Why does hot air cool? by AspGuy25

Yeah, if you blow hot air over metal that is much hotter than that air, you will cool the metal. If you blow hot air over metal that is colder than that air, you will heat up the metal. There's no getting around this, ha ha.

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jermdizzle t1_j5pvrnz wrote

Unless some form of phase change surface cooling (evaporation in this case) is in play.

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