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| Presentation | 2017-05-22 15:50 Experimental Investigation on High Intensity Ultrasound Source System using Cylindrical Acoustic Waveguide and Concave Type Transducer for Calibration of Hydrophone Shigeru Igarashi (Polytechnic Univ.), Takeshi Morishita (TOIN Univ. of Yokohama), Takeyoshi Uchida (AIST), Shinichi Takeuchi (TOIN Univ. of Yokohama)  US2017-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the high intensity ultrasound equipment has increased in both medical and industrial filed. Therefore, we have proposed high intensity ultrasound source system by using a cylindrical acoustic waveguide and a concave transducer. It is aimed at the development of ultrasound source which is able to transmit high intensity ultrasound waves for absolute calibrations for receiving sensitivity of hydrophones. Furthermore, we constructed the experimental ultrasound source system using the concave transducer and the cylindrical acoustic waveguide which was fabricated by considering material selection and cutting methods of closed cell type sponge. The spatial distributions of acoustic pressure on central axis and lateral axis for our fabricated ultrasound source were measured, it was found that the acoustic pressure distributions were similar between measured results and simulated results using axisymmetric three-dimensional acoustic filed simulation by finite element method, in particular, measured and simulated -6 dB main beam width was matched within 15%. In this paper, acoustic pressure of 670 kPa was confirmed at position 10 mm from transmitting aperture on the central axis. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Acoustic waveguide / Ultrasound source / Hydrohpne / Sensitivity calibration / Transducer / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 41, US2017-19, pp. 27-32, May 2017. | |
| Paper # | US2017-19 | |
| Date of Issue | 2017-05-15 (US) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | US2017-19 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2017-05-22 - 2017-05-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-05-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Investigation on High Intensity Ultrasound Source System using Cylindrical Acoustic Waveguide and Concave Type Transducer for Calibration of Hydrophone |
| Sub Title (in English) | |
| Keyword(1) | Acoustic waveguide |
| Keyword(2) | Ultrasound source |
| Keyword(3) | Hydrohpne |
| Keyword(4) | Sensitivity calibration |
| Keyword(5) | Transducer |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shigeru Igarashi |
| 1st Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 2nd Author's Name | Takeshi Morishita |
| 2nd Author's Affiliation | TOIN University of Yokohama (TOIN Univ. of Yokohama) |
| 3rd Author's Name | Takeyoshi Uchida |
| 3rd Author's Affiliation | Advanced Industrial Science and Technology (AIST) |
| 4th Author's Name | Shinichi Takeuchi |
| 4th Author's Affiliation | TOIN University of Yokohama (TOIN Univ. of Yokohama) |
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| Speaker | Author-1 |
| Date Time | 2017-05-22 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2017-19 |
| Volume (vol) | vol.117 |
| Number (no) | no.41 |
| Page | pp.27-32 |
| #Pages | 6 |
| Date of Issue | 2017-05-15 (US) |
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