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Paper Abstract and Keywords
Presentation 2013-07-30 11:10
Measurement of Dynamic Surface Tension by Observing Oscillation of Microdroplets
Akihiro Honda, Takahito Sakai, Tomoki Ishiwata, Keiji Sakai (Univ. of Tokyo) US2013-36
Abstract (in Japanese) (See Japanese page) 
(in English) The dynamic surface tension, just after the new surface is made, affects various microscale phenomena such as the behavior of droplets made by an inkjet printer and the foaming of detergents. There is, however, no practical method to measure the surface tension in the time range shorter than 1 ms after the formation of a fresh surface. We developed a method to measure the dynamic surface tension by analyzing the oscillation of microdroplets launched from the inkjet system. In this study, we succeeded in exciting the oscillation of multiple microdroplets in a same phase, keeping their flight at almost the same velocity. From the oscillation frequency of each droplet, the temporal evolution of te surface tension is obtained with time resolution as high as 10 $mu$s.
Keyword (in Japanese) (See Japanese page) 
(in English) Microdroplets / Inkjet / Dynamic Surface Tension / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 167, US2013-36, pp. 77-80, July 2013.
Paper # US2013-36 
Date of Issue 2013-07-22 (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 US2013-36

Conference Information
Committee US  
Conference Date 2013-07-29 - 2013-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Chikushi Campus, Kyushu University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Material Proparty, General 
Paper Information
Registration To US 
Conference Code 2013-07-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement of Dynamic Surface Tension by Observing Oscillation of Microdroplets 
Sub Title (in English)  
Keyword(1) Microdroplets  
Keyword(2) Inkjet  
Keyword(3) Dynamic Surface Tension  
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1st Author's Name Akihiro Honda  
1st Author's Affiliation University of Tokyo (Univ. of Tokyo)
2nd Author's Name Takahito Sakai  
2nd Author's Affiliation University of Tokyo (Univ. of Tokyo)
3rd Author's Name Tomoki Ishiwata  
3rd Author's Affiliation University of Tokyo (Univ. of Tokyo)
4th Author's Name Keiji Sakai  
4th Author's Affiliation University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2013-07-30 11:10:00 
Presentation Time 20 minutes 
Registration for US 
Paper # US2013-36 
Volume (vol) vol.113 
Number (no) no.167 
Page pp.77-80 
#Pages 4 
Date of Issue 2013-07-22 (US) 

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