Presentation 2008-06-20
Density Distributions of Low-Frequency Contact Currents in Human Body
Kenji HIRAO, Hiroo TARAO, Noriyuki HAYASHI, Katsuo ISAKA,
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Abstract(in English) In this paper, the basic characteristics of electric field and current density distributions in the human body resulting from 60Hz contact currents are demonstrated. First, the numerical method which is partly modified from SPFD method is proposed, and the validity of the improved method is confirmed by comparing with measurements with a simple model. Then, electric fields and current densities in the human body are calculated by three pathways of contact currents: left palm to both feet, right palm to both feet, and right palm to left palm. For contact current of 0.5mA (the reference level set by the ICNIRP), the maximum value of current density in spinal cord is five times greater than the basic restriction of 2mA/m^2. In addition, it is found from results that 33~40% of contact currents flow through the heart under three pathways.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) contact currents / current densities in human / electric fields / CNS tissues / heart
Paper # EMCJ2008-16
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Committee EMCJ
Conference Date 2008/6/13(1days)
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Registration To Electromagnetic Compatibility (EMCJ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Density Distributions of Low-Frequency Contact Currents in Human Body
Sub Title (in English)
Keyword(1) contact currents
Keyword(2) current densities in human
Keyword(3) electric fields
Keyword(4) CNS tissues
Keyword(5) heart
1st Author's Name Kenji HIRAO
1st Author's Affiliation Dept. of Electrical & Computer Eng., Takamatsu NCT()
2nd Author's Name Hiroo TARAO
2nd Author's Affiliation Dept. of Electrical & Computer Eng., Takamatsu NCT
3rd Author's Name Noriyuki HAYASHI
3rd Author's Affiliation Faculty of Engineering Sciences, Kyushu Univ.
4th Author's Name Katsuo ISAKA
4th Author's Affiliation Faculty of Eng., The Univ. of Tokushima
Date 2008-06-20
Paper # EMCJ2008-16
Volume (vol) vol.108
Number (no) 97
Page pp.pp.-
#Pages 6
Date of Issue