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  1. F200 未来材料・システム研究所
  2. F200a 雑誌掲載論文
  3. 学術雑誌

Experimental study of internal flow structures in cylindrical rotating detonation engines

http://hdl.handle.net/2237/0002001627
http://hdl.handle.net/2237/0002001627
4bead47f-6c77-4fd8-9ed0-a09e04cb2b09
名前 / ファイル ライセンス アクション
Yokoo_et_al_revised_paper.pdf Yokoo_et_al_revised_paper.pdf (680 KB)
Item type itemtype_ver1(1)
公開日 2021-11-16
タイトル
タイトル Experimental study of internal flow structures in cylindrical rotating detonation engines
言語 en
著者 Yokoo, Ryuya

× Yokoo, Ryuya

en Yokoo, Ryuya

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Goto, Keisuke

× Goto, Keisuke

en Goto, Keisuke

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Kasahara, Jiro

× Kasahara, Jiro

en Kasahara, Jiro

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Athmanathan, Venkat

× Athmanathan, Venkat

en Athmanathan, Venkat

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Braun, James

× Braun, James

en Braun, James

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Paniagua, Guillermo

× Paniagua, Guillermo

en Paniagua, Guillermo

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Meyer, Terrence R.

× Meyer, Terrence R.

en Meyer, Terrence R.

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Kawasaki, Akira

× Kawasaki, Akira

en Kawasaki, Akira

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Matsuoka, Ken

× Matsuoka, Ken

en Matsuoka, Ken

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Matsuo, Akiko

× Matsuo, Akiko

en Matsuo, Akiko

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Funaki, Ikkoh

× Funaki, Ikkoh

en Funaki, Ikkoh

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Detonation
キーワード
主題Scheme Other
主題 Cylindrical rotating detonation engine
キーワード
主題Scheme Other
主題 Hollow rotating detonation engine
キーワード
主題Scheme Other
主題 Flow structure
キーワード
主題Scheme Other
主題 Optically accessible combustor
内容記述
内容記述 The internal flow structures of detonation wave were experimentally analyzed in an optically accessible hollow rotating detonation combustor with multiple chamber lengths. The cylindrical RDC has a glass chamber wall, 20 mm in diameter, which allowed us to capture the combustion self-luminescence. A chamber 70 mm in length was first tested using C2H4single bondO2 and H2–O2 as propellants. Images with a strong self-luminescence region near the bottom were obtained, confirming the small extent of the region where most of the heat release occurs as found in our previous research. Based on the visualization experiments, we tested RDCs with shorter chamber walls of 40 and 20 mm. The detonation wave was also observed in the shorter chambers, and its velocity was not affected by the difference in chamber length. Thrust performance was also maintained compared to the longer chamber, and the short cylindrical RDC had the same specific impulse tendency as the cylindrical (hollow) or annular 70-mm chamber RDC. Finally, we calculated the pressure distributions of various chamber lengths, and found they were also consistent with the measured pressure at the bottom and exit. We concluded that the short-chamber cylindrical RDC with equal length and diameter maintained thrust performance similar to the longer annular RDC, further expanding the potential of compact RDCs.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 Available online 17 August 2020
言語 en
内容記述タイプ Other
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.proci.2020.08.001
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 15407489
書誌情報 en : Proceedings of the Combustion Institute

巻 38, 号 3, p. 3759-3768, 発行日 2021
ファイル公開日
日付 2022-08-17
日付タイプ Available
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