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Paper Abstract and Keywords
Presentation 2009-12-18 09:05
Induced Current Density/Electric Field in Human Body for ELF Electric and Magnetic Field Exposures at Reference Level/MPE
Yukinori Takano, Akimasa Hirata, Osamu Fujiwara (Nagoya Inst. of Tech.) EMCJ2009-85
Abstract (in Japanese) (See Japanese page) 
(in English) Extremely-low-frequency (ELF) electric and magnetic field exposure may cause direct effect such as nerve stimulation and excitation. Therefore, basic restriction is regulated in terms of induced current density in the ICNIRP guidelines while for in-situ electric field in the IEEE Standard. External electric or magnetic field which does not produce induced current density or electric field exceeding the above basic restriction is used as a reference level in the ICNIRP guidelines and as MPE (Maximum Permissible Exposure) in the IEEE standard. The relationship between the guidelines basic restriction/reference level for ELF electric and magnetic field has been investigated using European anatomic models, but limited for that prescribed in the IEEE standard. In the present study, we calculated the induced quantities in anatomic Japanese male and female models developed at NICT (National Institute of Information and Communications Technology) in order to investigate induced current density and electric field exposed to ELF electronic and magnetic fields at reference level/MPE,. A quasi static finite-difference time-domain (FDTD) method was applied to analyze this problem. As a result, spatial-averaged induced current density was found to be more sensitive to averaging algorithms than that for in-situ electric field. For electric and magnetic field exposure at the ICNIRP reference level, the maximum values of the induced current density for two different tissue averaging algorithm were smaller than the basic restriction. For exposure at the MPE in the IEEE standard, the maximum electric fields in the brain were larger than the basic restriction in the brain while smaller fro the spinal cord and heart.
Keyword (in Japanese) (See Japanese page) 
(in English) ELF / ICNIRP Guideline / IEEE Standard / Basic restriction / Reference level / MPE / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 350, EMCJ2009-85, pp. 1-5, Dec. 2009.
Paper # EMCJ2009-85 
Date of Issue 2009-12-11 (EMCJ) 
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 EMCJ IEE-EMC  
Conference Date 2009-12-18 - 2009-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) NIFS 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2009-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Induced Current Density/Electric Field in Human Body for ELF Electric and Magnetic Field Exposures at Reference Level/MPE 
Sub Title (in English)  
Keyword(1) ELF  
Keyword(2) ICNIRP Guideline  
Keyword(3) IEEE Standard  
Keyword(4) Basic restriction  
Keyword(5) Reference level  
Keyword(6) MPE  
Keyword(7)  
Keyword(8)  
1st Author's Name Yukinori Takano  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
2nd Author's Name Akimasa Hirata  
2nd Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
3rd Author's Name Osamu Fujiwara  
3rd Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
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Speaker Author-1 
Date Time 2009-12-18 09:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2009-85 
Volume (vol) vol.109 
Number (no) no.350 
Page pp.1-5 
#Pages 5 
Date of Issue 2009-12-11 (EMCJ) 

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