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Measurement of distribution of broadband noise and sound pressures in sonochemical reactor
http://hdl.handle.net/2237/00028427
http://hdl.handle.net/2237/00028427fb6e8137-d3a2-46aa-a952-6957907c97fc
名前 / ファイル | ライセンス | アクション |
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Yasuda (4.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-08-06 | |||||
タイトル | ||||||
タイトル | Measurement of distribution of broadband noise and sound pressures in sonochemical reactor | |||||
言語 | en | |||||
著者 |
Yasuda, Keiji
× Yasuda, Keiji× Nguyen, Tam Thanh× Asakura, Yoshiyuki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Broadband noise | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sound pressure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sonochemical reactor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Reaction field | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Second harmonic frequency | |||||
抄録 | ||||||
内容記述 | Cross-sectional area distribution of broadband noise in a sonochemical reactor was measured to estimate reaction fields. A needle-type hydrophone scanned the sonochemical reactor in horizontal and vertical directions at one-millimeter interval. To show an absolute value of broadband noise, average of broadband sound pressure was defined. The distribution of sound pressures at the fundamental and second harmonic frequencies were also measured. In the case of driving frequency at 130 kHz, sonochemical reaction fields were observed in several ellipse shapes. The reaction fields in upper part of the reactor was high because cavitation bubbles moved upper part due to radiation force. The sound pressure distribution at the fundamental frequency showed existence of standing wave and reaction fields were weak at pressure antinode because cavitation bubbles were repelled by primary Bjerknes force. The sound pressure distribution at the second harmonic frequency indicated that the pattern of bubbles distribution resembled to that of reaction fields closely. In the case at 43 kHz, distributions of reaction fields and sound pressures were complex due to coupled vibration. The reaction fields were relatively weak in areas which had very high sound pressures at the fundamental frequency. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2020-05-01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.ultsonch.2017.12.051 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1350-4177 | |||||
書誌情報 |
en : Ultrasonics Sonochemistry 巻 43, p. 23-28, 発行日 2018-05 |
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著者版フラグ | ||||||
値 | author |