| Presentation | 2017-01-26 Sonoluminescence and bubble dynamics in glycerol-water system Munenori Ban, Pak-Kon Choi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | To investigate the mechanism of sonoluminescence (SL) from viscous liquid, we measured the SL intensity, SL pulse width and the bubble dynamics in glycerol-water mixtures. The SL intensity increased and maximized at 80% glycerol at ultrasonic frequency of 50 kHz. Conversely, the SL intensity decreased with increasing glycerol concentration at 150 kHz. High-speed shadowgraphy of cavitation bubbles demonstrated that spherical oscillation due to viscous damping and the increase in the tiny bubble number are responsible for the result at 50 kHz. At 150 kHz viscous damping prohibited bubble compression, which resulted in the temperature decrease at bubble collapse. The SL pulse width showed broadening with increasing the glycerol concentration. The broadening may be associated with a viscous slowing of the bubble wall in the very last stage of the initial collapse. The multiple-peak pulse observed from NaCl solution of 80% glycerol at 28 kHz is arisen from the superposition of SL pulse from characteristic bubble cluster radiating Na emission. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | sonoluminescence / sonoluminescence pulse / bubble dynamics / glycerol-water system / high speed camera |
| Paper # | US2016-117 |
| Date of Issue | 2017-01-18 (US) |
| Conference Information | |
| Committee | EA / US |
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| Conference Date | 2017/1/25(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics |
| Chair | Mitsunori Mizumachi(Kyushu Inst. of Tech.) / Nobuyuki Endo(Kanagawa Univ.) |
| Vice Chair | Yoichi Haneda(Univ. of Electro-Comm.) / Suehiro Shimauchi(NTT) / Yoichi Itoh(Nihon Univ.) / Minoru Kurosawa(Tokyo Inst. of Tech.) |
| Secretary | Yoichi Haneda(KDDI R&D Labs.) / Suehiro Shimauchi(Akita Pref. Univ.) / Yoichi Itoh(Univ. of Electro-Comm.) / Minoru Kurosawa(Univ. of Toyama) |
| Assistant | Shigeto Takeoka(Shizuoka Inst. of Science and Tech.) / TREVINO Jorge(Tohoku Univ.) / Takeshi Morita(Univ. of Tokyo) |
| Paper Information | |
| Registration To | Technical Committee on Engineering Acoustics / Technical Committee on Ultrasonics |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sonoluminescence and bubble dynamics in glycerol-water system |
| Sub Title (in English) | |
| Keyword(1) | sonoluminescence |
| Keyword(2) | sonoluminescence pulse |
| Keyword(3) | bubble dynamics |
| Keyword(4) | glycerol-water system |
| Keyword(5) | high speed camera |
| 1st Author's Name | Munenori Ban |
| 1st Author's Affiliation | Meiji University(Meiji Univ.) |
| 2nd Author's Name | Pak-Kon Choi |
| 2nd Author's Affiliation | Meiji University(Meiji Univ.) |
| Date | 2017-01-26 |
| Paper # | US2016-117 |
| Volume (vol) | vol.116 |
| Number (no) | US-419 |
| Page | pp.pp.223-226(US), |
| #Pages | 4 |
| Date of Issue | 2017-01-18 (US) |