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Paper Abstract and Keywords
Presentation 2012-05-28 13:55
The Study of Measurement for a Very Slow Flow Using Phase Difference Method
Tomonori Ihara, Hiroshige Kikura, Yasushi Takeda (Tokyo Tech), Eiji Ochi, Kazuhiro Minami (JNFL) US2012-9
Abstract (in Japanese) (See Japanese page) 
(in English) UVP(Ultrasound Velocity Profile monitor) is applied at many experimental and industrial fields to investigate the fluid dynamics because of its non-destructive property. Although there are many conventional methods for estimating velocity, .they have difficulty of measuring the flow lower than 1mm/s. Recently, the phase difference method was proposed. This technique detects the phase of the ultrasonic carrier frequency directly from the echo signal, and determines its difference between successive echo receptions. In this report, we have developed a system to measure a very low velocity flow utilizing phase difference method. Then, we evaluate the lower velocity threshold and feasibility to the flow.
Keyword (in Japanese) (See Japanese page) 
(in English) Very Slow Flow / Ultrasonic Doppler Method / Phase Difference Method / Accuracy Verification / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 68, US2012-9, pp. 7-11, May 2012.
Paper # US2012-9 
Date of Issue 2012-05-21 (US) 
ISSN Print edition: ISSN 0913-5685    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 US  
Conference Date 2012-05-28 - 2012-05-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To US 
Conference Code 2012-05-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The Study of Measurement for a Very Slow Flow Using Phase Difference Method 
Sub Title (in English)  
Keyword(1) Very Slow Flow  
Keyword(2) Ultrasonic Doppler Method  
Keyword(3) Phase Difference Method  
Keyword(4) Accuracy Verification  
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1st Author's Name Tomonori Ihara  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Hiroshige Kikura  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Yasushi Takeda  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
4th Author's Name Eiji Ochi  
4th Author's Affiliation Japan Nuclear Fuel Limited (JNFL)
5th Author's Name Kazuhiro Minami  
5th Author's Affiliation Japan Nuclear Fuel Limited (JNFL)
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Speaker Author-1 
Date Time 2012-05-28 13:55:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2012-9 
Volume (vol) vol.112 
Number (no) no.68 
Page pp.7-11 
#Pages
Date of Issue 2012-05-21 (US) 


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