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Paper Abstract and Keywords
Presentation 2015-09-04 11:20
Measurement method of high-intensity aerial ultrasonic waves and their characteristics
Youichi Ito (Nihon Univ.) US2015-57
Abstract (in Japanese) (See Japanese page) 
(in English) We developed an aerial ultrasonic sound source which generated a ultrasonic wave the higher than that of a conventional sound source. The aerial ultrasonic wave radiated by a striped-mode rectangular vibrating plate of the sound source is converged at a point by a reflector with specific shape. It is estimated that the converging ultrasonic wave with a very high intensity of about 23.5 kPa (181 dB) was produced at a supplied electric power of 150 W by the ultrasonic source driven at 20 kHz. This sound pressure is too higher to measure with a microphone. In this report, we investigated the characteristics of non-linear of high-intensity aerial ultrasonic wave generated by this sound source. In addition, it was tried to measure the acoustic energy radiated from the sound source directly. Furthermore, based on the results, it was estimated a very high levels of the sound pressure.
Keyword (in Japanese) (See Japanese page) 
(in English) High-intensity ultrasonic wave / Aerial ultrasonic sound wave / Ultrasonic sound source / point convergence / Stripe-mode vibration plate / Non-linear acoustics / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 207, US2015-57, pp. 61-64, Sept. 2015.
Paper # US2015-57 
Date of Issue 2015-08-27 (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)
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Conference Information
Committee US  
Conference Date 2015-09-03 - 2015-09-04 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To US 
Conference Code 2015-09-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement method of high-intensity aerial ultrasonic waves and their characteristics 
Sub Title (in English)  
Keyword(1) High-intensity ultrasonic wave  
Keyword(2) Aerial ultrasonic sound wave  
Keyword(3) Ultrasonic sound source  
Keyword(4) point convergence  
Keyword(5) Stripe-mode vibration plate  
Keyword(6) Non-linear acoustics  
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1st Author's Name Youichi Ito  
1st Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2015-09-04 11:20:00 
Presentation Time 30 minutes 
Registration for US 
Paper # US2015-57 
Volume (vol) vol.115 
Number (no) no.207 
Page pp.61-64 
#Pages 4 
Date of Issue 2015-08-27 (US) 

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