第二音波とは - わかりやすく解説 Weblio辞書

第二音波

出典: フリー百科事典『ウィキペディア（Wikipedia）』 (2020/07/03 09:18 UTC 版)

第二音波とは、熱伝導が拡散によってではなく波のような動きによって起こる量子力学的な現象のこと。熱が通常の音波における圧力にとって代わる。これにより非常に高い熱伝導性を示す。熱の波動が空気中の音の伝播に似ているため、第二音波と呼ばれる

引用

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