Zobrazeno 1 - 10 of 100 pro vyhledávání: '"Katsuo Isaka"'
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Estimation of short-circuit current induced by ELF uniform electric fields in grounded humans with different body shapes based on a semi-ellipsoidal model
Autor: Noriyuki Hayashi, Hiroo Tarao, Katsuo Isaka
Publikováno v: Biomedical Physics & Engineering Express. 6:055012
It has been reported that when a grounded human is exposed to an electric field at power frequency, a short-circuit current flowing from the feet to the ground is proportional to the square of his or her height. The current, however, should also vary
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90497c893bc187d0b438565960eb4618
https://doi.org/10.1088/2057-1976/aba636
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4
Survey of leakage magnetic fields from various induction heating ranges
Autor: Hiroo Tarao, Katsuo Isaka, Noriyuki Hayashi
Publikováno v: 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL).
Recently, use of an induction heating (IH) range, which heats using Joule heat based on eddy currents in a pan, has been increasing not only for household but commercial. Some of its users have concerns about the possible health effects of leakage ma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eabfe1e2d4b7b4d507b24119f2c721a0
https://doi.org/10.1109/piers-fall.2017.8293378
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5
Measurements of leakage magnetic fields from induction heating range using different sized pans
Autor: Hiroo Tarao, Leena Korpinen, Katsuo Isaka, Noriyuki Hayashi
Publikováno v: 2016 Progress in Electromagnetic Research Symposium (PIERS).
Recently, induction heating (IH) ranges, which heats using Joule heat based on eddy currents in a pan, have been increasing not only for household use but commercial use. Some of users have concerns about the possible health effects of magnetic field
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63fae62f910e122c6ce831bf37328792
https://doi.org/10.1109/piers.2016.7735160
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6
Simple estimation of induced electric fields in nervous system tissues for human exposure to non-uniform electric fields at power frequency
Autor: Hiroo Tarao, Hironobu Miyamoto, Leena Korpinen, Noriyuki Hayashi, Katsuo Isaka
Most results regarding induced current in the human body related to electric field dosimetry have been calculated under uniform field conditions. We have found in previous work that a contact current is a more suitable way to evaluate induced electri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f32e31a0661f8dd7d637a88666dec50b
https://trepo.tuni.fi/handle/10024/125825
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7
Effects of tissue conductivity and electrode area on internal electric fields in a numerical human model for ELF contact current exposures
Autor: Harri Kuisti, Hiroo Tarao, Noriyuki Hayashi, Katsuo Isaka, Leena Korpinen
Publikováno v: Physics in Medicine and Biology. 57:2981-2996
Contact currents flow through the human body when a conducting object with different potential is touched. There are limited reports on numerical dosimetry for contact current exposure compared with electromagnetic field exposures. In this study, usi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca2487601a9b7af4c49a489eb149403c
https://doi.org/10.1088/0031-9155/57/10/2981
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8
Effect of spectrum analyzer's impulse bandwidth on the measurement of EM waves emitted from partial discharges in multipath-rich environment
Autor: Katsuo Isaka, Tetsuya Murayama, Masatake Kawada
Publikováno v: IEEJ Transactions on Electrical and Electronic Engineering. 6:193-199
Superheterodyne spectrum analyzer (SA) has been widely used for receiving EM waves emitted from partial discharge (PD) because of its high sensitivity. Generally, resolution bandwidth is shown as a measurement parameter because the pulse response dep
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80d13814d70e16f44458c86fbbdf2c95
https://doi.org/10.1002/tee.20644
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9
Numerical Calculation of Internal Human Body Resistances at Power Frequency, and Comparison of them with Experimental Ones
Autor: Hiroo Tarao, Noriyuki Hayashi, Isao Hamamoto, Katsuo Isaka
Publikováno v: IEEJ Transactions on Fundamentals and Materials. 131:178-184
A numerical method, which is newly developed here, is used in order to calculate internal body resistances in a voxelized biological model. By using this method, the internal resistances of an anatomical human model were calculated for the two curren
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ff86a9c684a698ae2f1c95821d5f8b6
https://doi.org/10.1541/ieejfms.131.178
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10
Numerical Characterization of Dosimetry, Human Body Resistance and Heart Current Resulting from Power-Frequency Touch Current for an Anatomically Realistic Human Model
Autor: Noriyuki Hayashi, Katsuo Isaka, Hiroo Tarao
Publikováno v: IEEJ Transactions on Electrical and Electronic Engineering. 4:523-533
Characteristics of power-frequency touch current inside an anatomically realistic human model of Japanese adult were numerically analyzed under various scenarios of current paths using a modified scalar potential finite difference (SPFD) method. Then
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb76cfd4305ce8b38ad003e539734b15
https://doi.org/10.1002/tee.20439
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