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J-GLOBAL ID：200901070517299231   Update date: Sep. 18, 2024

Uehara Hiroaki

ウエハラ ヒロアキ | Uehara Hiroaki
Affiliation and department：
Kanto Gakuin University College of Science and Engineering, Department of Electrical and Electronic Engineering

About Kanto Gakuin University College of Science and Engineering, Department of Electrical and Electronic Engineering


Job title： Professor
Homepage URL  (1)： http://ee.kanto-gakuin.ac.jp/lab01.html
Research field  (3)： Polymer materials ,  Electrical power engineering ,  Electric/electronic material engineering
Research keywords  (5)： Molecular Dynamics Simulation ,  Quantum chemical calculation ,  Dielectrics ,  Electrical insulating materials ,  High Voltage Engineering
Research theme for competitive and other funds  (11)：
  • 2024 - 2026 Clarification of thermal degradation of CV cable insulation
  • 2022 - 2025 Molecular design of new DC polymeric insulating material by current integration method, molecular dynamics, and quantum chemical calculation
  • 2020 - 2021 Elucidation of water tree suppression mechanism when surfactant is added using molecular dynamics
  • 2018 - 2021 Analysis of Water Tree Suppressing Effect of Surfactant by Quantum Chemical Calculation and Molecular Dynamics Simulation
  • 2015 - 2016 Research on the Initiation and Propagation of Water Trees (6)
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Papers (83)：
  • Tatsuki Okamoto, Hiroaki Uehara. Nanosecond Partial Discharge Current Waveforms with Polyethylene Naphthalate Films on IEC(b) Electrode. IEEJ Transactions on Electrical and Electronic Engineering. 2024. 19. 9. 1446-1454
  • Shinya Iwata, Ryota Kitani, Tomoka Tsuya, Hiroaki Uehara, Tatsuki Okamoto, Tatsuo Takada. Behavior of Water and Ions Within Polyethylene: Insights from Molecular Dynamics Simulations. 2024 IEEE 5th International Conference on Dielectrics (ICD). 2024. 1-4
  • Tomoka Tsuya, Shinya Iwata, Ryota Kitani, Hiroaki Uehara, Tatsuki Okamoto, Tatsuo Takada. Partial Discharge Waveform Analysis Using Dynamic Mode Decomposition. 2024 IEEE 5th International Conference on Dielectrics (ICD). 2024. 1-4
  • Tatsuki Okamoto, Hiroaki Uehara. Nanosecond Current Waveforms With Small Discharge Gaps Over Polyimide Films. IEEE Transactions on Dielectrics and Electrical Insulation. 2024. 31. 2. 861-868
  • Hiroaki Uehara, Shinya Iwata, Ryota Kitani, Tatsuki Okamoto, Tatsuo Takada. Charge Accumulation Dependence on Electric Field, Temperature, and Voltage Application Time in Polymeric Insulating Materials by Current-Integrated Charge Method. IEEE Transactions on Dielectrics and Electrical Insulation. 2024. 31. 2. 694-703
ｍore...
MISC (11)：
  • Takahisa Endo, Hiroaki Uehara. Frequency Characteristics of Complex Relative Permittivity and Radio Absorption Effect of Epoxy Resin Containing Scaly Graphite. Journal of Technological Researches, Society of Science and Engineering / Architecture and Environmental Design, Kanto Gakuin University. 2024. 67. 17-22
  • Hiroaki Uehara, Tatsuki Okamoto. Partial Discharge Peak Time Characteristics of Needle-Plane Electrode System Using Polyimide Samples. Bulletin of Institute of Science and Technology, Kanto Gakuin University. 2023. 51. 3-18
  • Hiroaki Uehara, Tatsuki Okamoto. Partial Discharge Characteristics in PET samples with Gap Length and Frequency Change Using Needle-Plane Electrode System. Bulletin of Institute of Science and Technology, Kanto Gakuin University. 2022. 50. 15-26
  • Hiroaki Uehara, Tatsuki Okamoto. Voltage and Frequency Dependencies of Partial Discharge in Four Electrode Geometries. Bulletin of Institute of Science and Technology, Kanto Gakuin University. 2021. 49. 19-32
  • Hiroaki Uehara, Tatsuki Okamoto. Modeling and Analysis of Partial Discharge Phenomena by Integral Equations. Bulletin of Institute of Science and Technology, Kanto Gakuin University. 2020. 48. 39-56
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Books (6)：
  • IEEJ Technical Report, No.1542, "Application of quantum chemical calculations in the field of electrical and electronic insulation materials"
    IEEJ (The Institute of Electrical Engineers of Japan) 2023
  • Dielectric Breakdown / Deterioration Mechanism of Polymer Materials and Countermeasures
    Technical Information Institute Co., Ltd. 2021
  • IEEJ Technical Report, No.1491, "Standardization of Calibration and Advanced Measurements of Space Charge Distribution at High Temperature Using the Pulsed Electro-acoustic Method"
    IEEJ (The Institute of Electrical Engineers of Japan) 2020
  • Electrical and Electronic Functional Materials (Revised 3rd Edition)
    Ohmsha 2014 ISBN:9784274215940
  • IEEJ Technical Report, No.1243, "Asset Management for Electric Power Equipment Based on Insulation Diagnosis"
    IEEJ (The Institute of Electrical Engineers of Japan) 2012
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Lectures and oral presentations  (296)：
  • A Study on Breakdown Strength Measurement of XLPE Sheet Sliced from XLPE Cable
    (The 2024 Annual Conference of Fundamentals and Materials Society IEE of Japan 2024)
  • Characteristics of Nanosecond Current Waveforms in Needle-Plane Electrode Systems with Various Polymeric Materials
    (The 2024 Annual Conference of Fundamentals and Materials Society IEE of Japan 2024)
  • Partial Discharge Current Pulse Width Characteristics of Six Types of Insulators in IEC(b)-Plane Electrode System
    (The 2024 Annual Conference of Fundamentals and Materials Society IEE of Japan 2024)
  • Complex Relative Permittivity Measurement of Epoxy Resin Containing Scaly Graphite in GHz Bands
    (2024)
  • Partial Discharge Current Characteristics in Needle-Plane Electrode Systems on PEN Samples
    (2024)
ｍore...
Education (3)：
  • 1997 - 2000 Meiji University Graduate School of Science and Technology Doctor of Engineering (Electrical Engineering)
  • 1995 - 1997 Meiji University Graduate School of Science and Techology Master of Engineering (Electrical Engineering)
  • 1991 - 1995 Meiji University School of Science and Technology Bachelor of Engineering (Electrical Engineering)
Professional career (2)：
  • Doctor of Engineering (Meiji University)
  • Master of Engineering (Meiji University)
Work history (9)：
  • 2022/04 - 現在 Kanto Gakuin University Graduate School of Engineering Chairperson of Division, Division of Electrical Engineering
  • 2013/04 - 現在 Kanto Gakuin University College of Science and Engineering Professor
  • 2018/04 - 2022/03 Kanto Gakuin University College of Science and Engineering Chairperson of Department, Department of Electrical and Electronic Engineering
  • 2016/10 - 2017/09 Tokyo City University Faculty of Engineering Department of Mechanical Systems Engineering Adjunct Instructor
  • 2014/04 - 2015/03 University of Connecticut Institute of Materials Science Visiting Reserach Scholar
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Committee career (81)：
  • 2024/04 - 現在 電気学会 令和6・7年度学会活動推進員〔東京支部〕 推進員(学校)
  • 2006/05 - 現在 電気学会東京支部神奈川支所 支所委員
  • 2005/10 - 現在 IEC TC112国内委員会 委員
  • 2024/06 - 2027/05 IEEJ CPS
  • 2023/06 - 2024/06 IEEJ IEEJ
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Awards (1)：
  • 2002/03 - IEEJ Outstanding Paper Presentation Award 3-Dimensional Tree Simulation Considering a Barrier Interface
Association Membership(s) (4)：
IEEE (Institute of Electrical and Electronics Engineers) ,  IESJ (The Institute of Electrostatics Japan) ,  IEIEJ (The Institute of Electrical Installation Engineers of Japan) ,  IEEJ (The Institute of Electrical Engineers of Japan)
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