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Paper Abstract and Keywords
Presentation 2018-04-24 16:15
A study of Fukushima nuclear power plant accidents by a viewpoint of PSA (Reconsideration)
Takeshi Matsuoka (Utsunomiya Univ.) SSS2018-6
Abstract (in Japanese) (See Japanese page) 
(in English) On 11th March, 2011, most sever nuclear power plant accidents in the history have been occurred at the Fukushima site due to the massive earthquake and subsequent large Tsunami. As the results of the loss
of all AC power or station blackout, the reactor cores have melted down in Unit 1 through Unit 3. In the present study, the core damage probabilities for Units 1 through 3 have been evaluated by event tree analyses under the condition of the loss of all AC power or station blackout. The core damage probability at72hours (3 days) after the Tsunami are obtained as 0.73(Unit 1), 0.25(Unit 1) and 0.13 (Unit 3). All three units damaged core after 7days. The discussions are made based on the analysis results and cosider the meaning of Fukushima power reactor accident.
Keyword (in Japanese) (See Japanese page) 
(in English) Fukushima nuclear power plant / PSA / Total loss of power / Reactor core damage probability / Human factors / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 13, SSS2018-6, pp. 23-26, April 2018.
Paper # SSS2018-6 
Date of Issue 2018-04-17 (SSS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 SSS  
Conference Date 2018-04-24 - 2018-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SSS 
Conference Code 2018-04-SSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study of Fukushima nuclear power plant accidents by a viewpoint of PSA (Reconsideration) 
Sub Title (in English)  
Keyword(1) Fukushima nuclear power plant  
Keyword(2) PSA  
Keyword(3) Total loss of power  
Keyword(4) Reactor core damage probability  
Keyword(5) Human factors  
1st Author's Name Takeshi Matsuoka  
1st Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
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Speaker Author-1 
Date Time 2018-04-24 16:15:00 
Presentation Time 35 minutes 
Registration for SSS 
Paper # SSS2018-6 
Volume (vol) vol.118 
Number (no) no.13 
Page pp.23-26 
Date of Issue 2018-04-17 (SSS) 

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