[問題] 一個很簡單的熱傳問題...
請問..= =+
熱擴散與熱傳導的不同在哪裡!?...
可以從微觀的角度來解釋看看嗎...
熱傳導是擁有較高振動能(動能?)的分子傳遞到較低振動能分子的現象...
那熱擴散呢!?...
感謝~L
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整理一下:
熱擴散=>高濃度到低濃度(粒子移動)
只要費米能量不同,不管同材料,或不同材料接觸,或完美晶格皆會發生...
熱傳導=>高溫到低溫(能量移動)
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