Search Results - "Kumada, A."

Directly High-Voltage Measuring System Based on Pockels Effect by Kumada, A., Hidaka, K.

“…To measure high voltage up to ± 450 kV in the dc to GHz range, a new optical high-voltage measuring system using a Pockels crystal in a longitudinal modulation…”
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Probing the Band Alignment at the Au/Polymer Interface by Katase, D., Suzuki, H., Kobayashi, M., Kumada, A., Sato, M.

“…Charge injection from a metal into a dielectric polymer is one of the key factors responsible for the degradation of polymers. The charge injection barrier…”
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Computational study on hole conduction in normal alkanes: Anisotropy and effect of dynamic disorder by Sato, M., Kumada, A., Hidaka, K., Hirano, T., Sato, F.

“…Despite its importance, carrier conduction in electrical insulators is poorly understood. This work presents a computational study of hole conduction in single…”
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Determination of Band Alignment at Au/PTFE and Au/PP Interfaces by First-Principles Calculations and XPS by Yoshinaga, R., Suzuki, H., Okano, R., Kobayashi, M., Kumada, A., Sato, M.

“…Since charge injection from metals into insulating polymers leads to electrical degradation and failure of various electrical devices, it is essential to…”
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Computational study on Kerr constants of neutral and ionized gases by Sato, M., Kumada, A., Hidaka, K.

“…In order to quantitatively examine the measurement capability of Poisson's field using electro-optic Kerr-effect (EOKE), Kerr constants of neutral molecules…”
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Charge distribution measurement on a truncated cone spacer under DC voltage by Kumada, A., Okabe, S.

“…A system for measuring charge distribution on an insulating spacer is developed. An electrostatic probe is set close to the spacer, and it moves along its…”
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Temperature of hydrogen radio frequency plasma under dechlorination process of polychlorinated biphenyls by Inada, Y., Abe, K., Kumada, A., Hidaka, K., Amano, K., Itoh, K., Oono, T.

“…It has been reported that RF (radio frequency) hydrogen plasmas promote the dechlorination process of PCBs (polychlorinated biphenyls) under irradiation of MW…”
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Measurement Methods of Accumulated Electric Charges on Spacer in Gas Insulated Switchgear by Okabe, S., Kumada, A.

“…The phenomenon of accumulated charges on a solid insulator material surface is one of critical parameters at the insulation design stage for ac electric power…”
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SP creep properties of Gr.91 boiler pipings service-exposed in different USC power plants by Komazaki, S., Obata, K., Tomobe, M., Yaguchi, M., Kumada, A.

“…The small punch (SP) testing technique was applied to five heats of Gr.91 steel, which had been actually used for boiler pipings in different USC power plants…”
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Light emission phenomena in dechlorination process of polychlorinated biphenyls by irradiating microwave by Kumada, A., Morimoto, T., Hidaka, K., Amano, K., Itoh, K.

“…In recent years, an effective processing for PCBs (polychlorinated biphenyls) diluted in insulating oil has been developed, which can render PCBs harmless by…”
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Residual Charge Distribution of Surface Leader Discharge Under Positive Impulse Voltage by Junbo Deng, Haibao Mu, Guanjun Zhang, Matsuoka, S., Kumada, A., Hidaka, K.

“…The performance of high-voltage apparatus is seriously restricted by the surface discharge on dielectric materials. A surface charge density distribution…”
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Intradermal injection of Botulinum toxin type A alleviates infraorbital nerve constriction-induced thermal hyperalgesia in an operant assay by KUMADA, A., MATSUKA, Y., SPIGELMAN, I., MARUHAMA, K., YAMAMOTO, Y., NEUBERT, J. K., NOLAN, T. A., WATANABE, K., MAEKAWA, K., KAMIOKA, H., YAMASHIRO, T., KUBOKI, T., OGUMA, K.

“…Summary  Recent studies have shown that infraorbital nerve constriction (IoNC)‐induced mechanical allodynia has been attenuated by administration of highly…”
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Influences of probe geometry and experimental errors on spatial resolution of surface charge measurement with electrostatic probe by Kumada, A., Okabe, S., Hidaka, K.

“…When an electrostatic probe is used for surface charge measurement on an insulating plate with constant thickness or a long insulating pipe, the configuration…”
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Resolution and signal processing technique of surface charge density measurement with electrostatic probe by Kumada, A., Okabe, S., Hidaka, K.

“…When an electrostatic probe is used to measure the surface charge on an insulating plate of constant thickness, the measuring system is regarded a…”
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Measurement of surface charge on opposite sides of a planar insulator using an electrostatic probe by Kumada, A., Okabe, S.

“…A digital image processing technique using the Fourier transformation in the spatial domain and the Wiener filter has been developed. This method is applied to…”
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Band alignment at Pt/PTFE interface: XPS experiment and first-principles calculation by Yoshinaga, R., Suzuki, H., Okano, R., Kobayashi, M., Kumada, A., Sato, M.

“…Since charge injection from metal into dielectrics leads to electrical degradation and failure of various electrical and power devices, it is essential to…”
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First-Principle Based Modeling of Electron and Hole Transfer in Amorphous Polyethylene Terephthalate Oligomer by Sato, M., Kumada, A., Hidaka, K.

“…Recently, we have proposed a first-principles based multi-scale modeling method for studying carrier transport properties in polymers with flexible backbones,…”
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Inception voltage of positive streamer and its length on PMMA in air by Chiba, M., Kumada, A., Hidaka, K.

“…A positive surface discharge on a solid insulator in air consists of many branched streamers. The length of the streamers is controlled by the applied voltage…”
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Effect of Temperature on Electrical Treeing in Silicone Gel for Power Modules by Nakamura, S., Nakano, R., Sato, M., Kumada, A., Hidaka, K., Takano, S., Hayase, Y., Yamashiro, K., Takano, T.

“…Silicone gel is widely used to encapsulate power electronic modules. The weakness of the electrical insulation is surface discharges initiated at the…”
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Tree Propagation and Partial Discharge Phenomena of Nanocomposite Epoxy by Nakamura, T., Yokoi, T., Kumada, A., Hidaka, K., Hirai, H., Imai, T., Yoshimitsu, T.

“…Tree propagation and partial discharge phenomena in nano-filled epoxy under the application of 50-Hz sinusoidal wave are studied. Silica particles whose…”
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