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| Presentation | 2022-05-19 10:00 Study of non-contact, non-destructive test using nonlinear airborne ultrasound -- Visualization of leaky waves from thin plate -- Fumiya Hamada, Kyosuke Shimizu, Ayumu Osumi, Youichi Ito (Nihon Univ.)  US2022-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As one of an efficient testing method for large metal structures is a combination of scanning airborne ultrasound source technique and nonlinear harmonic method. This method enables fast and accurate testing by a high-speed scanning wave source. On the other hand, when a scanning speed of a wave source is fast, a residual vibration of the Lamb wave propagating in the object affects a inspection result, thus reducing the visualization accuracy. As one of a possible method to solve this problem is to use microphone array. We have considered that this enable instantaneous acquisition of vibration information within the measurement area and realize the high-speed non-destructive testing method. In this report, for the purpose of realizing high-speed, non-contact and non-destructive testing using MEMS microphone array, we investigated on experimental and numerical analysis of leaky waves from the thin plate, including harmonic components. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | High-intensity aerial ultrasonic waves / Focus ultrasonic waves / Nonlinear ultrasound wave / Non-destructive testing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 36, US2022-1, pp. 1-5, May 2022. | |
| Paper # | US2022-1 | |
| Date of Issue | 2022-05-12 (US) | |
| ISSN | 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 | US2022-1 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2022-05-19 - 2022-05-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Nonlinear acoustics, Ultrasonics, etc. |
| Paper Information | |
| Registration To | US |
| Conference Code | 2022-05-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of non-contact, non-destructive test using nonlinear airborne ultrasound |
| Sub Title (in English) | Visualization of leaky waves from thin plate |
| Keyword(1) | High-intensity aerial ultrasonic waves |
| Keyword(2) | Focus ultrasonic waves |
| Keyword(3) | Nonlinear ultrasound wave |
| Keyword(4) | Non-destructive testing |
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| 1st Author's Name | Fumiya Hamada |
| 1st Author's Affiliation | Nihon University (Nihon Univ.) |
| 2nd Author's Name | Kyosuke Shimizu |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
| 3rd Author's Name | Ayumu Osumi |
| 3rd Author's Affiliation | Nihon University (Nihon Univ.) |
| 4th Author's Name | Youichi Ito |
| 4th Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-05-19 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2022-1 |
| Volume (vol) | vol.122 |
| Number (no) | no.36 |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2022-05-12 (US) |
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