RESEARCH

熱音響エンジン・熱音響冷凍機(振動流を用いたエネルギー変換器)

熱音響エンジン・熱音響冷凍機

一般的なエンジン(例えば自動車のエンジン)はピストン,バルブ,タービンといった可動部品を適切に調整することで気体の圧縮,膨張を実現しています.一方,音波が自由空間中を伝ぱするとき,作動気体である空気の圧力は音波の周波数で振動します.我々の研究室ではこの音波による圧力変動(圧縮・膨張)を上記可動部による圧縮膨張の代わりに用いることで,エネルギー変換を実現する熱音響エンジン(熱→仕事)と熱音響冷凍機(仕事→熱)を研究しています.

熱音響エンジンの研究

工場からの排熱や他の熱機器からの排熱をエネルギー源として稼働するこうこうりつねつおんきょうえんじん

水の相変化を利用した低温度差駆動熱音響エンジン

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熱音響冷凍機に関する研究

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