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Calculation of Attenuated Space Charge Profile Obtained by Pulsed-electroacoustic Signal Passed through Polymer Insulator before Charge Injection

Calculation of Attenuated Space Charge Profile Obtained by Pulsed-electroacoustic Signal Passed through Polymer Insulator before Charge Injection

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2021/10/01

タイトル(英語): Calculation of Attenuated Space Charge Profile Obtained by Pulsed-electroacoustic Signal Passed through Polymer Insulator before Charge Injection

著者名: Ryotaro Ozaki (Graduate School of Science and Engineering, Ehime University), Kazunori Kadowaki (Graduate School of Science and Engineering, Ehime University)

著者名(英語): Ryotaro Ozaki (Graduate School of Science and Engineering, Ehime University), Kazunori Kadowaki (Graduate School of Science and Engineering, Ehime University)

キーワード: acoustic wave propagation,pulsed electroacoustic method,acoustic attenuation,viscoelastic model,polyethlyene

要約(英語): Acoustic attenuation of a pulsed electroacoustic (PEA) signal passed through a low- or a high-density polyethylene film is studied using the Kelvin-Voigt model for a viscoelastic material. The transfer functions of the low- and high-density polyethylene films in the PEA system are obtained based on the viscoelastic theory, which allow us to directly calculate acoustic attenuations in the polyethylene films. The calculated acoustic waveforms passed through the polyethylene films show good agreement with the measurements. By using this method, theoretical space charge profiles in the low- and high-density polyethylene films before a charge injection are obtained. This technique is useful for a calibration of the PEA system at the initial condition.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.141 No.10 (2021) 特集:9th International Symposium on Electrical Insulating Materials

本誌掲載ページ: 527-532 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/141/10/141_527/_article/-char/ja/

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