Mpemba Effect Influenced By Micro-Level Variables
The Mpemba effect, where hot water can freeze faster than cold water, is explained by micro-level changes in ice formation conditions, convection, liquid volume, contact area, and thermal conductivity.
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Sources · 7 independent
CNR Voice of China
“正是因为泵发，对流，液体量以及接触面积导热等多种微小变量的共同干扰，热水才在某些特定测试中实现反超。”
CNR Voice of China
“从微观层面改变冰坛的成渗条件，影响成渗过程。再比如，如果把杯子直接放在结霜的冷斗室里，热杯底会融化周围的冰霜，让液体与冷源接触的更严重，导致局部热效率时而增高。正是因为泵发，对流，液体量以及接触面积导热等多种微小变量的共同干扰，热水才在某些特定测试中实现反超。”
CNR Voice of China
“正是因为泵发，对流，液体量以及接触面积导热等多种微小变量的共同干扰，热水才在某些特定测试中实现反超。换一个杯子或改变一下冰箱风向，这个现象就可能不复存在了。”
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