Search Results - "Isaka, Katsuo"

Simple estimation of induced electric fields in nervous system tissues for human exposure to non-uniform electric fields at power frequency by Tarao, Hiroo, Miyamoto, Hironobu, Korpinen, Leena, Hayashi, Noriyuki, Isaka, Katsuo

“…Most results regarding induced current in the human body related to electric field dosimetry have been calculated under uniform field conditions. We have found…”
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Childhood leukemia and magnetic fields in Japan: A case‐control study of childhood leukemia and residential power‐frequency magnetic fields in Japan by Kabuto, Michinori, Nitta, Hiroshi, Yamamoto, Seiichiro, Yamaguchi, Naohito, Akiba, Suminori, Honda, Yasushi, Hagihara, Jun, Isaka, Katsuo, Saito, Tomohiro, Ojima, Toshiyuki, Nakamura, Yosikazu, Mizoue, Tetsuya, Ito, Satoko, Eboshida, Akira, Yamazaki, Shin, Sokejima, Shigeru, Kurokawa, Yoshika, Kubo, Osami

“…Residential power‐frequency magnetic fields (MFs) were labeled as a possible human carcinogen by the International Agency for Research on Cancer panel. In…”
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Power-frequency magnetic fields and childhood brain tumors: a case-control study in Japan by Saito, Tomohiro, Nitta, Hiroshi, Kubo, Osami, Yamamoto, Seiichiro, Yamaguchi, Naohito, Akiba, Suminori, Honda, Yasushi, Hagihara, Jun, Isaka, Katsuo, Ojima, Toshiyuki, Nakamura, Yosikazu, Mizoue, Tetsuya, Ito, Satoko, Eboshida, Akira, Yamazaki, Shin, Sokejima, Shigeru, Kurokawa, Yoshika, Kabuto, Michinori

“…The strength of the association between brain tumors in children and residential power-frequency magnetic fields (MF) has varied in previous studies, which may…”
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Effect of spectrum analyzer's impulse bandwidth on the measurement of EM waves emitted from partial discharges in multipath-rich environment by Murayama, Tetsuya, Kawada, Masatake, Isaka, Katsuo

“…Superheterodyne spectrum analyzer (SA) has been widely used for receiving EM waves emitted from partial discharge (PD) because of its high sensitivity…”
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Heart current in an anatomically realistic human model due to contact with a low-frequency energized source by Tarao, Hiroo, Hayashi, Noriyuki, Isaka, Katsuo

“…Distributions of 60 Hz contact current around and inside the heart of the anatomically realistic human body are demonstrated under four scenarios: left hand to…”
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Effects of Electrode Systems on Numerical Estimation of Internal Human Body Impedance at Power Frequency by Hayashi, Noriyuki, Tarao, Hiroo, Isaka, Katsuo

“…Internal body impedances Ri of an anatomically realistic human model were numerically calculated at 60 Hz under various current scenarios and electrode sizes…”
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Numerical Characterization of Dosimetry, Human Body Resistance and Heart Current Resulting from Power-Frequency Touch Current for an Anatomically Realistic Human Model by Hayashi, Noriyuki, Tarao, Hiroo, Isaka, Katsuo

“…Characteristics of power‐frequency touch current inside an anatomically realistic human model of Japanese adult were numerically analyzed under various…”
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Development of recursive interpolated D/FFT for on-line and highly accurate frequency analysis by Kuraishi, Takashi, Kawada, Masatake, Isaka, Katsuo

“…Frequency analysis of digital signals based on discrete/fast Fourier transform (D/FFT) inevitably has some inherent drawbacks such as short‐and long‐range…”
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Visualization of electromagnetic waves emitted from partial discharge using the constrained interpolation profile (CIP) method by Kawada, Masatake, Isaka, Katsuo

“…The constrained interpolation profile method (CIP) is used in order to visualize the electromagnetic (EM) waves emitted from partial discharge (PD) for…”
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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 by Tarao, Hiroo, Hayashi, Noriyuki, Isaka, Katsuo

“…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…”
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Survey of leakage magnetic fields from various induction heating ranges by Tarao, Hiroo, Hayashi, Noriyuki, Isaka, Katsuo

“…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…”
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Electric fields induced inside numerical human model standing on ground plane with elevated arms in uniform electric field at power frequency by Tarao, Hiroo, Takei, Amane, Hayashi, Noriyuki, Isaka, Katsuo

“…In the ICNIRP guidelines on the protection of human exposure to low frequency electric and magnetic fields, the reference levels are given based on the maximum…”
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Analysis of induced current density in grounded and ungrounded prolate spheroid models in concurrent ELF electric and magnetic fields by Matsumoto, Takashi, Chiba, Atsuo, Hayashi, Noriyuki, Isaka, Katsuo

“…Analyzed in this paper is the induced current density in the homogeneous prolate spheroid model of a biological object exposed to concurrent 60‐Hz vertical…”
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Numerical evaluation of currents induced in a worker by ELF non-uniform electric fields in high voltage substations and comparison with experimental results by Tarao, Hiroo, Korpinen, Leena H., Kuisti, Harri A., Hayashi, Noriyuki, Elovaara, Jarmo A., Isaka, Katsuo

“…An ungrounded human, such as a substation worker, receives contact currents when touching a grounded object in electric fields. In this article, contact…”
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Time-Frequency Analysis of EM Waves Emitted from Consecutive PD Pulses Using the Constrained Interpolation Profile (CIP) Method and the In-Place Fast Haar Wavelet Transform by Kawada, M., Isaka, K.

“…Analysis of the electromagnetic (EM) waves emitted from partial discharge (PD) is useful from the viewpoint of non- contact diagnosis for power equipment. It's…”
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Analysis on Propagation of Wideband EM Waves Emitted from Partial Discharge Using the Constrained Interpolation Profile (CIP) Method by Kawada, M., Isaka, K.

“…Measurement of partial discharge (PD) has been used to assess the condition of insulation material used in electric power equipment. Analysis on the…”
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Visualization of propagation signals accompanied by contact using cross-correlation method based on in-place fast haar wavelet transform by Kawada, M., Yamada, K., Kaneko, Y., Isaka, K.

“…In this paper we present the results of applying the cross-correlation (CC) method based on the in-place fast Haar wavelet transform (IpFHWT) to visualize the…”
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Visualization of vibration phenomena on model turbine rotor using cross-correlation method based on in-place fast Haar wavelet transform by Kawada, M., Yamada, K., Kaneko, Y., Isaka, K.

“…In this paper we present the results of applying the cross-correlation (CC) method based on the in-place fast Haar wavelet transform (IpFHWT) to know the…”
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Discrimination of Vibration Phenomena on Model Turbine Rotor using In-Place Fast Haar Wavelet Transform by Kawada, M., Yamada, K., Kaneko, Y., Isaka, K.

“…In this paper we present the results of applying the in-place fast Haar wavelet transform to visualization of vibration phenomena on a model turbine rotor. It…”
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Measurements of leakage magnetic fields from induction heating range using different sized pans by Tarao, Hiroo, Hayashi, Noriyuki, Korpinen, Leena, Isaka, Katsuo

“…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…”
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