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  1. 学会・会議発表論文
  2. 学会・会議発表論文

Evaluation of electron-emitting film for spacecraft charging mitigation (ELFs charm)

http://hdl.handle.net/10228/00007882
http://hdl.handle.net/10228/00007882
abc28b35-a864-4fca-807e-56cfd91f4645
名前 / ファイル ライセンス アクション
LaSEINE-2017_10.pdf LaSEINE-2017_10.pdf (1.6 MB)
アイテムタイプ 学術雑誌論文 = Journal Article(1)
公開日 2020-09-04
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
タイトル
タイトル Evaluation of electron-emitting film for spacecraft charging mitigation (ELFs charm)
言語 en
言語
言語 eng
著者 Tanaka, Atomu

× Tanaka, Atomu

WEKO 28222

en Tanaka, Atomu

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Mateo Velez, Jean-Charles

× Mateo Velez, Jean-Charles

WEKO 28223

en Mateo Velez, Jean-Charles

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Dadouch, Sarah

× Dadouch, Sarah

WEKO 28224

en Dadouch, Sarah

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Okumura, Teppei

× Okumura, Teppei

WEKO 28225

en Okumura, Teppei

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坂本, 憲児

× 坂本, 憲児

WEKO 24702
e-Rad_Researcher 10379290
Scopus著者ID 56073478800
九工大研究者情報 100000504

ja 坂本, 憲児

en Sakamoto, Kenji

ja-Kana サカモト, ケンジ


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岩田, 稔

× 岩田, 稔

WEKO 17575
e-Rad_Researcher 80396762
Scopus著者ID 15750751000
九工大研究者情報 176

en Iwata, Minoru

ja 岩田, 稔

ja-Kana イワタ, ミノル


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豊田, 和弘

× 豊田, 和弘

WEKO 17484
e-Rad_Researcher 10361411
Scopus著者ID 35281385500
九工大研究者情報 72

en Toyoda, Kazuhiro

ja 豊田, 和弘

ja-Kana トヨダ, カズヒロ


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趙, 孟佑

× 趙, 孟佑

WEKO 754
e-Rad_Researcher 60243333
Scopus著者ID 7401727758
九工大研究者情報 168

ja 趙, 孟佑

en Cho, Mengu


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抄録
内容記述タイプ Abstract
内容記述 To protect the satellite from the accidents due to spacecraft charging, Kyushu Institute of Technology (Kyutech) is developing a device called ELFs-Charm, which stands for ELectron-emitting Film for Spacecraft CHARging Mitigation. ELFs-Charm was mounted on HORYU-II, which was launched to a Polar Earth Orbit in May 2012. From the orbital data, the emitter’s soundness and working principles were confirmed. As a next step, we are considering the practical operation for mitigation of spacecraft charging. The present emission level was not enough to increase the satellite potential. Theoretically, if the emitter can emit more electrons than the incoming electrons, it can increase the satellite potential during the sub-storm. We focus our efforts on improving two parameters. One is the potential difference of the emitter surface. Another one is the threshold voltage of electron emission. A potential difference of the emitter surface depends on the insulator charging capacity due to the secondary electron emissions with each energy gap between the satellite potential and the primary electron energy. The threshold voltage depends on the shape of emitter. We can improve the ELFs-charm emission performance by measurement of these two parameters in ONERA Space Environment vacuum chamber and Kyutech Space Environment chamber. In this paper, we describe the two parameters of several samples and how the performance was improved.
備考
内容記述タイプ Other
内容記述 The 31st International Symposium on Space Technology and Science (31st ISTS), June 3-9, 2017, Matsuyama, Japan
書誌情報
発行日 2017-06
キーワード
主題Scheme Other
主題 ELF
キーワード
主題Scheme Other
主題 spacecraft charging
キーワード
主題Scheme Other
主題 ESD
キーワード
主題Scheme Other
主題 mitigation technology
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
査読の有無
値 no
連携ID
値 8409
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