| Presentation | 2000/1/26 Asymmetry of a Sound Field Radiated from a Transducer with a Turned Electrode Toru Tuziuti, Teruyuki Kozuka, Hideto Mitome, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | To clarify how the asymmetry of distribution of sound pressure amplitude relates to the size of turned electrode on an ultrasonic circular transducer of plane-type, measurement of the distribution with a hydrophone has been performed. It is shown that the distribution is asymmetrical and the peak on the distribution shifted from the transducer center toward the opposite side of the turned electrode in the radial direction. Decrease in amplitude appears clearly in the cases of large size of turned electrode and at a closer field to the transducer. This decrease is caused from the effect due to the increase in the radial length of turned electrode rather than the angle. Calculated sound pressure from Rayleigh's formula with distribution of velocity amplitude measured on the transducer surface shows the same tendencies as the experimental results for both decrease in amplitude of sound pressure amplitude and appearance of peak at the opposite side to the turned electrode. Then the present study is useful in describing asymmetrical characteristics of a sound field generated by a transducer with a turned electrode. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | ultrasound / turned electrode / sound pressure amplitude / velocity distribution / asymmetry |
| Paper # | US99-77,EA99-91 |
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| Conference Information | |
| Committee | US |
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| Conference Date | 2000/1/26(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Ultrasonics (US) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Asymmetry of a Sound Field Radiated from a Transducer with a Turned Electrode |
| Sub Title (in English) | |
| Keyword(1) | ultrasound |
| Keyword(2) | turned electrode |
| Keyword(3) | sound pressure amplitude |
| Keyword(4) | velocity distribution |
| Keyword(5) | asymmetry |
| 1st Author's Name | Toru Tuziuti |
| 1st Author's Affiliation | National Industrial Research Institute of Nagoya, AIST, MITI() |
| 2nd Author's Name | Teruyuki Kozuka |
| 2nd Author's Affiliation | National Industrial Research Institute of Nagoya, AIST, MITI |
| 3rd Author's Name | Hideto Mitome |
| 3rd Author's Affiliation | National Industrial Research Institute of Nagoya, AIST, MITI |
| Date | 2000/1/26 |
| Paper # | US99-77,EA99-91 |
| Volume (vol) | vol.99 |
| Number (no) | 587 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |