| Presentation | 2019-01-22 [Poster Presentation] Acoustic radiation pressure and power of focusing ultrasound on boundary Masaya Shimomura, Hideyuki Nomura, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | When sonic waves are radiated from underwater to the water-air boundary, the water surface shape is determined by the balance between the acoustic radiation pressure and the surface tension. Using this theory, we can measure radiation pressure distribution, sound pressure distribution and ultrasonic power from the water surface displacement. In this study, we estimated radiation pressure and ultrasonic power from water surface displacement measured by focused ultrasonic transducer. In general, it is known that the radiation pressure and the ultrasonic power are proportional to the square of the sound pressure, but the experimental results show that the radiation pressure and the ultrasonic power tend to be proportional to approximately the cube of the sound pressure. This suggests that the water surface displacement may not be determined merely by balancing the radiation pressure and the surface tension. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Acoustic radiation pressure / Ultrasonic power / Focus ultrasonic |
| Paper # | US2018-94 |
| Date of Issue | 2019-01-15 (US) |
| Conference Information | |
| Committee | EA / US |
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| Conference Date | 2019/1/22(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, Ultrasonics, and Related Topics |
| Chair | Suehiro Shimauchi(Kanazawa Inst. of Tech.) / Shinichi Takeuchi(Toin Univ. of Yokohama) |
| Vice Chair | Kenichi Furuya(Oita Univ.) / Kanji Watanabe(Akita Pref. Univ.) / Minoru Kurosawa(Tokyo Inst. of Tech.) / Jun Kondo(Shizuoka Univ.) |
| Secretary | Kenichi Furuya(Shizuoka Inst. of Science and Tech.) / Kanji Watanabe(NHK) / Minoru Kurosawa(Univ. of Tokyo) / Jun Kondo(Kanagawa Univ.) |
| Assistant | Keisuke Imoto(Ritsumeikan Univ.) / Daisuke Morikawa(Toyama Pref Univ.) / Daisuke Koyama(Doshisha Univ.) |
| 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) | [Poster Presentation] Acoustic radiation pressure and power of focusing ultrasound on boundary |
| Sub Title (in English) | |
| Keyword(1) | Acoustic radiation pressure |
| Keyword(2) | Ultrasonic power |
| Keyword(3) | Focus ultrasonic |
| Keyword(4) | |
| 1st Author's Name | Masaya Shimomura |
| 1st Author's Affiliation | The University of Electro-Communications(UEC) |
| 2nd Author's Name | Hideyuki Nomura |
| 2nd Author's Affiliation | The University of Electro-Communications(UEC) |
| Date | 2019-01-22 |
| Paper # | US2018-94 |
| Volume (vol) | vol.118 |
| Number (no) | US-409 |
| Page | pp.pp.77-82(US), |
| #Pages | 6 |
| Date of Issue | 2019-01-15 (US) |