小惑星探査機はやぶさと電気推進機

Material type: 文書・図像類

Author: 清水, 幸夫ほか

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)：: The Electron Cyclotron Resonance (ECR) microwave discharge Ion Engine System (IES) onboard Hayabusa has been operated in deep space. IES consists of f...

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Material Type: 文書・図像類
Title: 小惑星探査機はやぶさと電気推進機
Author/Editor: 清水, 幸夫
Shimizu, Yukio
Author Heading: 清水, 幸夫
Shimizu, Yukio
Publication, Distribution, etc.: 宇宙航空研究開発機構
Publication Date: 2006-11-01
Publication Date (W3CDTF): 2006-11-01
Alternative Title: Ion Engine System (IES) onboard HAYABUSA explorer for asteroid sample return mission
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: 7-13
ISSN (Periodical Title): ISSN : 1349-113X
Text Language Code: jpn
Subject Heading: 日本の宇宙計画
小惑星
はやぶさ
サンプルリターンミッション
宇宙機推進
イオンエンジン
マイクロ波放電
宇宙探査
イトカワ
Japanese space program
asteroid
Hayabusa
sample return mission
spacecraft propulsion
ion engine
microwave discharge
space exploration
Itokawa
Target Audience: 一般
Note (General): The Electron Cyclotron Resonance (ECR) microwave discharge Ion Engine System (IES) onboard Hayabusa has been operated in deep space. IES consists of four pair of ion thrusters and neutralizers on a rectangle shaped gimbals plate. Each engine has an exhaust nozzle of 10 cm in diameter and three grids made of Carbon-Carbon composite material. Weight of 66.2 kg Xenon propellant was loaded in a titanium alloy tank of 51 liter in volume before the launch of Hayabusa in April 2003. ECR microwave discharge generates Xenon plasma, and electric static field of 1,500 volts accelerates Xenon ions to over 30 km/sec exhaust velocity. Each engine generates thrust of 8 mN, specific impulse of 3,200 seconds, and consumes 350 watts of electric power. During the three-year flight operation, IES generated a delta-V of 1,400 m/s while consuming 22 kg Xenon propellant. The total operation time of IES is 25,900 hours. IES successfully propelled Hayabusa to the asteroid Itokawa on September 2005. During the three-month period, in-site activities such as scientific observation of Itokawa and collection of asteroid sample materials were carried out. Now Hayabusa is cruising on the Itokawa orbit waiting for the time of departure. IES is ready to propel Hayabusa back home to the Earth. IES will be operated again in early next year and Hayabusa will arrive to the Earth in middle of 2010.
資料番号: AA0049500002
レポート番号: JAXA-SP-06-006
Access Restrictions: 限定公開
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