Lifetime extension in Hall thrusters
Project/Area Number |
23686123
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Research Category |
Grant-in-Aid for Young Scientists (A)
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Allocation Type | Single-year Grants |
Research Field |
Aerospace engineering
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Research Institution | Kyushu University |
Principal Investigator |
NAOJI yamamoto 九州大学, 総合理工学研究科(研究院), 准教授 (40380711)
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Project Period (FY) |
2011-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥21,970,000 (Direct Cost: ¥16,900,000、Indirect Cost: ¥5,070,000)
Fiscal Year 2013: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2012: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2011: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
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Keywords | ホールスラスタ / 寿命評価 / キャビティリングダウン法 / 電気推進 / 光学測定 / 推進・エンジン / 航空宇宙工学 / 人工衛星 / プラズマ計測 / 寿命 / キャビティリングダウン分光法 / レーザートムソン散乱法 / インテリジェンス電源 |
Outline of Final Research Achievements |
Hall thrusters are a class of electric propulsion device in which a propellant gas is ionized and accelerated to produce thrust. They offer an attractive combination of high thrust efficiency (exceeding 50%) and specific impulse (~1,000-3,000 s). A key requirement for the practical use of Hall thrusters is the ability to operate for long durations (more than 10,000 hrs). For optimization of lifetime, What is needed, is a method of quantitatively measuring thruster erosion rates non-intrusively in real- or near real-time, for example by in situ measurement of the eroded wall material The primary life-limiter for Hall thrusters is acceleration channel wall erosion. Therefore, we have developed a CRDS erosion sensor and have made a study on the dependence of erosion rate on magnetic field configuration.
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Report
(4 results)
Research Products
(22 results)
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[Journal Article] Thomson Scattering Diagnostics in the Plasma of an Ion Thruster2012
Author(s)
Naoji YAMAMOTO, Yoshiaki HIRAOKA, Kensaku SUGITA, Tomoaki KURITA, Kentaro TOMITA, Kiichiro UCHINO, Hideki NAKASHIMA(Naoji Yamamoto)
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Journal Title
TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN
Volume: 10
Issue: ists28
Pages: Pb_79-Pb_83
DOI
NAID
ISSN
1884-0485
Related Report
Peer Reviewed
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