国際標準規格のための新しい太陽陽子フルーエンスモデルの提案

Material type: 規格・テクニカルリポート類

Author: 風間, 洋一ほか

Publisher: 宇宙航空研究開発機構

Publication date: 2006-11-01

Material Format: Digital

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Note (General)：: 出版タイプ： NASolar energetic protons degrade performance and reliability of spacecraft systems, such as single-event effects, total dose effects of electr...

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Material Type: 規格・テクニカルリポート類
Title: 国際標準規格のための新しい太陽陽子フルーエンスモデルの提案
Author/Editor: 風間, 洋一
五家, 建夫
Kazama, Yoichi
Goka, Tateo
Author Heading: Kazama, Yoichi
Goka, Tateo
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2006-11-01
Publication Date (W3CDTF): 2006
Alternative Title: A new solar-proton fluence model for ISO specification
Periodical title: 宇宙航空研究開発機構特別資料: 平成18年度　宇宙航空研究開発機構　総合技術研究本部　宇宙科学研究本部　研究成果報告書 = JAXA Special Publication: Report on Research Achievements for FY2006 Institute of Space and Astronautical Science, Institute of Aerospace Technology, Japan Aerospace Exploration Agency
No. or year of volume/issue: JAXA-SP-06-006
Volume: JAXA-SP-06-006
Pages: 129-132
ISSN (Periodical Title): ISSN : 1349-113X
Subject Heading: 太陽陽子
性能劣化
フルーエンス
宇宙機電子機器
宇宙機環境
航空宇宙環境
太陽電池設計
寿命
太陽放射
solar proton
performance degradation
fluence
spacecraft electronic equipment
spacecraft environment
aerospace environment
solar cell design
life
solar radiation
Target Audience: 一般
Note (General): 出版タイプ： NA
Solar energetic protons degrade performance and reliability of spacecraft systems, such as single-event effects, total dose effects of electronic components, and especially displacement damage of solar cell. On designing a solar cell panel, a low-energetic solar proton fluence model is needed to estimate radiation damage over mission life. Nowadays solar panel area of spacecraft is increasing as spacecraft mission life becomes longer (15-18 years). Thus an accurate solar proton model is strongly required for the cost-minimum design from the aerospace industry. The solar proton flux model, JPL-91 proposed by Feynman et al., is currently used widely for solar cell designing. However, it is known that the JPL-91 model predicts higher fluence of protons than values actually experienced in space, especially after seven years on orbit. In addition, the model is based on several assumptions on solar proton events, and also needs Monte-Carlo simulations for calculating fluence. In this study, we propose a new solar-proton model especially focused on solar cell designing. The newly-proposed model is an empirical model, which is constructed directly upon proton flux measurement data taken by instruments onboard spacecraft. This method has no assumptions or no dependence on solar-proton event selection both of which are needed in JPL-91. Our model shows lower fluence in longer missions compared to JPL-91. This model has been proposed to ISO (International Organization for Standardization) and has been discussed as a new standard solar-proton model.
資料番号: AA0049500028
レポート番号: JAXA-SP-06-006
Periodical Title (NCID): AA11984031
https://ci.nii.ac.jp/ncid/AA11984031
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ