Let's say, I have half bucket of boiling water and I have added equal amount of freeze cold water to it. I want to have equilibrium temperature reached as quick as possible. Can I speed up the convection manually? Does manually mixing different levels of water work?
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This seems awfully close to http://physics.stackexchange.com/questions/5265/cooling-a-cup-of-coffee-with-help-of-a-spoon – Kyle Kanos Feb 09 '15 at 16:58
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Mix it, with a spoon or something. That's the fastest. – NeutronStar Feb 09 '15 at 17:29
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This answer might be relevant to you. – Hector Feb 09 '15 at 17:35
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Unless I'm missing something here, you can speed up reaching the equilibrium temperature simply by stirring the water mixture.
Better still, pour in the cold water from a height so it produces turbulent currents as the hot and cold water mix.
John Rennie
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