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Performance of Mixture-Ratio-Controlled Hybrid Rockets under Uncertainties in Fuel Regression
http://hdl.handle.net/10228/00007936
http://hdl.handle.net/10228/0000793606338987-8f6b-4422-a4cf-302e8fad76a6
名前 / ファイル | ライセンス | アクション |
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10359635.pdf (1.5 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2020-10-21 | |||||||||||
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 | Performance of Mixture-Ratio-Controlled Hybrid Rockets under Uncertainties in Fuel Regression | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
小澤, 晃平
× 小澤, 晃平
WEKO
23864
× Shimada, Toru |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | This paper evaluates various sources of oxidizer to fuel mass ratio (O/F) shifts in hybrid rockets and paths (physical phenomena) through which these O/F shifts affect flight performance. Moreover, the performance increase of O/F control in hybrid rockets is evaluated. Vertical launches of O/F uncontrolled and O/F controlled of hybrid sounding rockets were simulated under two uncertainty models of fuel regression behavior based on experimental data: a) systematic errors with a constant deviation within ±3σ±3σ and 2) random errors subject to a probability distribution. These simulations included all sources of O/F shifts that originated in the fuel regression behavior and all paths through which the O/F shifts affect flight performance. Residual propellant mass and decreases in specific impulse are found to be the dominant causes of performance loss under both uncertainty models. For both cases 1 and 2, the O/F-controlled hybrid rockets maintained the performance expected under nominal fuel regression behavior, whereas the O/F-uncontrolled hybrid rockets had a lower performance by upwards of 6.69 and 4.06% in ΔVΔV for cases 1 and 2, respectively. For case 2, 3008 flight simulations revealed that the worst case of the O/F-controlled hybrid rocket had a 4.06 to 4.49% larger ΔVΔV and 10.5 to 13.3% higher apogee than that of the O/F-uncontrolled hybrid rocket, and that the O/F-uncontrolled hybrid rocket had a 6.61 times larger standard deviation in ΔVΔV. These results mean that the elimination O/F shift in hybrid rockets significantly improves performance, as well as the accuracy and reliability of performance predictions. | |||||||||||
書誌情報 |
Journal of Propulsion and Power 巻 37, 号 1, 発行日 2020-10-13 |
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出版社 | ||||||||||||
出版者 | American Institute of Aeronautics and Astronautics | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.2514/1.B37970 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1533-3876 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2020 by The Authors. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/100001001_ja.html | ||||||||||||
論文ID(連携) | ||||||||||||
10359635 | ||||||||||||
連携ID | ||||||||||||
8464 | ||||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者所属 | ||||||||||||
Kyushu Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Japan Aerospace Exploration Agency |