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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Minnaert resonance ： ウィキペディア英語版 Minnaert resonance The Minnaert resonance is the acoustic resonance frequency of a single bubble in an infinite domain of water (neglecting the effects of surface tension and viscous attenuation). The resonant frequency is given by :$$ f = \cfrac\left(\cfrac\right)^ where $a$ is the radius of the bubble, $\backslash gamma$ is the polytropic coefficient, $p\_A$ is the ambient pressure, and $\backslash rho$ is the density of water. This formula can also be used to find the resonant frequency of a bubble cloud with $a$ as the radius of the cloud and $\backslash rho$ the difference between the density of water and the bulk density of the cloud. For a bubble in water at standard pressure $(p\_A=100~\; ,\; ~\; \backslash rho=1000~\; )$, this equation reduces to $$ f a \approx 3.26~ \rm m/s , where $f~$ is the resonant frequency of the bubble. == References == 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Minnaert resonance」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.