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Paper Abstract and Keywords
Presentation 2020-01-17 09:25
Availability verification of circumferential strain measurement method of a general ring-shaped structure by simulation experiments
Shota Kitamura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.) OFT2019-53
Abstract (in Japanese) (See Japanese page) 
(in English) A method was proposed for measuring the circumferential strain produced in general ring-shaped structures by fitting the model to the Brillouin gain spectrum (BGS) observed distributedly in an optical fiber installed at the circumference of the ring-shaped structures, and the availability of the method was confirmed through numerical simulations. In this report, experiments are described, in which the strains produced in elliptical and square-shaped rings under concentrated and uniformly distributed loads, were measured from the BGS observed simulatively. In this simulation experiments, instead of the BGS under the spatial strain produced in these ring structures, the BGS under the temporal strain producing the BGS shape same as that by the spatial strain was observed at each strain measurement points. The experimental results showed that the circumferential strain can be measured with the relative error of approximately 1% to the range of the strain produced at the circumferences without depending on cross-sectional shapes of general ring-shaped structures and distributions of the load applied to them.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical fiber sensor / Brillouin gain spectrum / model fitting / general ring-shaped structure / circumferential strain / simulation experiment / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 368, OFT2019-53, pp. 35-38, Jan. 2020.
Paper # OFT2019-53 
Date of Issue 2020-01-09 (OFT) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 OFT  
Conference Date 2020-01-16 - 2020-01-17 
Place (in Japanese) (See Japanese page) 
Place (in English) NINS Okazaki Conference Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2020-01-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Availability verification of circumferential strain measurement method of a general ring-shaped structure by simulation experiments 
Sub Title (in English)  
Keyword(1) Optical fiber sensor  
Keyword(2) Brillouin gain spectrum  
Keyword(3) model fitting  
Keyword(4) general ring-shaped structure  
Keyword(5) circumferential strain  
Keyword(6) simulation experiment  
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Keyword(8)  
1st Author's Name Shota Kitamura  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Shusuke Narieda  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Hiroshi Naruse  
3rd Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2020-01-17 09:25:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2019-53 
Volume (vol) vol.119 
Number (no) no.368 
Page pp.35-38 
#Pages
Date of Issue 2020-01-09 (OFT) 


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