YAMASHITA Takahiko

ヤマシタタカヒコ | YAMASHITA Takahiko

Affiliation and department：
Job title： Director/ Specially Appointed Professor

Research field (1)： Electrical power engineering

Research keywords (4)： Discharge Phenomena , Electrical Insulation , High Voltage Engineering , Electric Power and High Voltage Engineering

Research theme for competitive and other funds (14)：

2019 - 2023 Development of a dynamic discharge model on wet contaminated insulators taking the discharge propagation into account
2016 - 2019 Current dependence of discharge phase and emission spectra on wet polluted surfaces
2012 - 2015 Influence of electrolyte on the characteristics of the emission spectram from the local discharge on the electrolytic surfaces
2008 - 2011 Effect of Electrolyte on the Current Distribution and Electrode-fall of Local Discharge on Electrolytic Solution
2010 - 固体/気体複合絶縁系の破壊特性に関する研究

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Papers (46)：

Tomohiro Furusato, Mitsuru Sasaki, Yoshinobu Matsuda, Takahiko Yamashita. Underwater shock wave induced by pulsed discharge on water. Journal of Physics D: Applied Physics. 2022. 55. 11. 115203-115203
T. Furusato, Y. Inada, M. Sasaki, Y. Matsuda, T. Yamashita. Shock-wave Propagation in Supercritical CO2 Induced by Nanosecond-pulsed Arc Plasma. Journal of Physics D: Applied Physics. 2020. 53. 40. 40LT01-40LT01
Tomohiro Furusato, Kazushi Oura, Yoshinobu Matsuda, Mitsuru Sasaki, Yuki Inada, Takahiko Yamashita. Validation of the Local Thermodynamic Equilibrium at a Local Current Concentration Area of Positive Pulsed Surface Discharge Plasma on Water. Japanese Journal of Applied Physics. 2020. 59. SH. SHHA07-1-SHHA07-6
Y. Matsuda, N. Matsuo, K. Sakamoto, M. Shinohara, T. Furusato, T. Yamashita. Reduction and Uniformization of the Resistivity of Ga-doped ZnO by Combining Short-gap Magnetron Sputtering and Buffer Layer. Japanese Journal of Applied Physics. 2019. 58. SE. SEED04-1-SEED04-5
T. Furusato, Y. Yamamoto, T. Sakamoto, K. Oura, Y. Matsuda, T. Yamashita. Simulation of Voltage/current Waveforms and Contact Area of Pulsed Surface Discharge on Water. IEEE Transactions on Dielectrics and Electrical Insulation. 2019. 26. 2. 439-446

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MISC (155)：

Shu Yasumoto, Toshimitsu Ogue, Tatsuki Igawa, Yoshinobu Matsuda, Takahiko Yamashita. Improvement of data acquisition system in energy distribution function measurement using retarding field energy analyzer. Proceedings of 38th Symposium on Plasma Processing (SPP-38) /The 33rd Symposium on Plasma Science for Materials (SPSM33). 2021
鍋島雄飛, 是枝弘行, 古里友宏, 山下敬彦. 汚損湿潤面における放電の陰極降下と二次電子放出係数による放電維持機構の検討. 電気学会研究会資料(DEI-21-014). 2021
岩永拓実, 是枝弘行, 古里友宏, 山下敬彦, 秋吉一輝, 田上剣汰, 池田竜志. 環境影響要因を加味したオゾン濃度を用いたモータコイルエンドの劣化診断法の開発に関する基礎研究. 電気学会究会資料(DEI-21-015). 2021
鍋島雄飛, 古里友宏, 是枝弘行, 山下敬彦. 電解質水溶液面における放電の陰極降下と二次電子放出係数. 静電気学会全国大会講演資料. 2020
Y. Mastuda, M. Ishiba, A. Kina, T. Furusato, T. Yamashita. Measurement of Energy Distribution Function of Charged Particles Incident on Substrate in Magnetron Sputtering by Retarding Field Energy Analyzer. Proceedings of The 36th Symposium on Plasma Processing (SPP36)/The 31th Symposium on Plasma Science for Materials (SPSM31). 2020

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Patents (2)：

Books (3)：

Lectures and oral presentations (275)：

Improvement of data acquisition system in energy distribution function measurement using retarding field energy analyzer
(38th Symposium on Plasma Processing (SPP-38) /The 33rd Symposium on Plasma Science for Materials (SPSM33) 2021)
汚損湿潤面における放電の陰極降下と二次電子放出係数による放電維持機構の検討
(電気学会誘電・絶縁材料/放電・プラズマ・パルスパワー/高電圧合同研究会 2021)
環境影響要因を加味したオゾン濃度を用いたモータコイルエンドの劣化診断法の開発に関する基礎研究
(電気学会誘電・絶縁材料/放電・プラズマ・パルスパワー/高電圧合同研究会 2021)
電解質水溶液面における放電の陰極降下と二次電子放出係数
(静電気学会全国大会 2020)
超臨界二酸化炭素中ナノ秒パルスアーク放電プラズマによる衝撃波生成過程の観測
(電気学会誘電・絶縁材料/放電・プラズマ・パルスパワー/高電圧合同研究会 2020)

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Education (3)：

1982 - 1985 Kyushu University Graduate School of Engineering Sciences Department of Energy Conversion Engineering
1980 - 1982 Kyushu University Graduate School of Engineering Department of Electrical Engineering
1976 - 1980 Kyushu University Faculty of Engineering Department of Electrical Engineering

Professional career (3)：

Work history (10)：

2021/10 - 現在 Nagasaki University Professor Emeritus
2021/09 - 現在 The Open University of Japan Nagasaki Study Center Director / Specially Appointed Professor
2012/04 - 2021/08 Nagasaki University Graduate School of Engineering Professor
2011/04 - 2017/09 Nagasaki University Vice President
2011/10 - 2014/09 Nagasaki University Center for Industry, University and Government Cooperation Director

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Committee career (78)：

2024/06 - 現在 Institute of Electrical Engineers Japan Member
2023/08 - 現在電気協同研究会「架空送電用ポリマーがいし技術専門委員会」委員長
2003/04 - 現在電気学会論文委員会(A3グループ)委員
2023/08 - 2026/06 一般社団法人電気協同研究会「架空送電用ポリマーがいしの現状と今後の展望」委員会
2022/06 - 2024/05 The Institue of Electrical Engineers Japan President, Kyushu Branch

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Awards (3)：

Association Membership(s) (3)：

IEEE , THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN , THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN

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