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9 results on '"Nakata, Daisuke"'

1. Application of Detonation Waves to Rocket Engine Chamber

Author

Kasahara, Jiro, Kato, Yuichi, Ishihara, Kazuaki, Goto, Keisuke, Matsuoka, Ken, Matsuo, Akiko, Funaki, Ikkoh, Moriai, Hideki, Nakata, Daisuke, Higashino, Kazuyuki, Tanatsugu, Nobuhiro, Graham, Robert A., Founding editor, Ben-Dor, Gabi, Series editor, Lu, Frank K., Series editor, Thadhani, Naresh, Series editor, Davison, Lee, Honorary editor, Horie, Y., Honorary editor, Li, Jiun-Ming, editor, Teo, Chiang Juay, editor, Khoo, Boo Cheong, editor, Wang, Jian-Ping, editor, and Wang, Cheng, editor

Published
2018
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2. Flight Demonstration Experiment of Liquid Propellant Detonation Engine System Using Sounding Rocket S-520-34

Author

KASAHARA, Jiro, MATSUYAMA, Koichi, MATSUOKA, Ken, KAWASAKI, Akira, ITOUYAMA, Noboru, ISHIHARA, Kazuki, ITO, Shiro, NAKATA, Kotaro, SATO, Tomoki, MATSUO, Akiko, FUNAKI, Ikkoh, NAKATA, Daisuke, UCHIUMI, Masaharu, EGUCHI, Hikaru, HABU, Hiroto, ARAKAWA, Satoshi, MASUDA, Junichi, MAEHARA, Kenji, USUKI, Tomoaki, YAMADA, Kazuhiko, and NAKAO, Tatsuro

Subjects
Sounding Rocket Flight Experiment, Detonation, Rotating Detonation Engine, Pulse Detonation Engine
Abstract

第5回観測ロケットシンポジウム(2023年2月28日-3月1日. オンライン開催), 5th Sounding Rocket Symposium(February 28-March 1, 2023. Online Meeting), 著者人数: 21名, 資料番号: SA6000185021, レポート番号: Ⅲ-6

Published
2023

3. Flight Demonstration Experiment of Liquid Propellant Detonation Engine System Using Sounding Rocket S-520

Author

KASAHARA, Jiro, MATSUYAMA, Koichi, MATSUOKA, Ken, KAWASAKI, Akira, WATANABE, Hiroaki, ITOUYAMA, Noboru, GOTO, Keisuke, ISHIHARA, Kazuki, ITO, Shiro, NAKATA, Kotaro, SATO, Tomoki, MATSUO, Akiko, FUNAKI, Ikkoh, NAKATA, Daisuke, UCHIUMI, Masaharu, HABU, Hiroto, TAKEUCHI, Shinsuke, ARAKAWA, Satoshi, MASUDA, Junichi, MAEHARA, Kenji, YAMADA, Kazuhiko, and NAKAO, Tatsuro

Subjects
Sounding Rocket Flight Experiment, Detonation, Rotating Detonation Engine, Pulse Detonation Engine
Abstract

第4回観測ロケットシンポジウム（2022年3月14-15日. ハイブリッド開催（JAXA相模原キャンパス& オンライン）), 4th Sounding Rocket Symposium(March 14-15, 2022. Hybrid(in-person & online) Conference (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 22名, 資料番号: SA6000175011, レポート番号: Ⅱ-6

Published
2022

4. Experimental Study of the effect of Injector Orifice on Propulsive Performance of Rotating Detonation Engine

Author

GOTO, Keisuke, YOKOO, Ryuya, BUYAKOFU, Valentin, SAWDA, Satoru, NODA, Tomoyuki, JOSEPH, Victoria, KAWASAKI, Akira, MATSUOKA, Ken, KASAHARA, Jiro, MATSUO, Akiko, FUNAKI, Ikkoh, ARIMATSU, Koki, INAZUMI, Kei, NAKATA, Daisuke, UCHIUMI, Masaharu, and KAWASHIMA, Hideto

Subjects
Detonation, Injector, Rotating Detonation Engine
Abstract

2019年度衝撃波シンポジウム (2020年3月4日-6日. 神戸大学 海事科学研究科（深江キャンパス)）神戸市, 兵庫県, Symposium on Shock Waves in Japan, FY2019 (March 3-4, 2020. Kobe University), Kobe, Hyogo Japan, 2019年度衝撃波シンポジウムは、新型コロナウイルスの感染拡大防止のため開催中止, 著者人数: 16名, 資料番号: SA6000148035, レポート番号: 1C2-3[若]

Published
2020

5. 観測ロケットSS520を用いたデトネーションキックモーター軌道投入実証実験

Author

Kasahara, Jiro, Matsuoka, Ken, Kawasaki, Akira, Matsuyama, Koichi, Goto, Keisuke, Matsuo, Akiko, Funaki, Ikkoh, Maru, Yusuke, Habu, Hiroto, Takeuchi, Shinsuke, Yamada, Kazuhiko, Kitagawa, Koki, Tobe, Hirobumi, Arakawa, Satoshi, Iwasaki, Akihiro, Wada, Asato, Nakata, Daisuke, Uchiumi, Masaharu, Endo, Takuma, Ishii, Kazuhiro, Tokudome, Shinichiro, Nonaka, Satoshi, Kojima, Takayuki, Kawashima, Hideto, and Shouji, Takeshi

Subjects
Sounding Rocket Flight Experiment, Detonation, Rotating Detonation Engine, Pulse Detonation Engine
Abstract

第2回観測ロケットシンポジウム（2019年8月5日-6日. 宇宙航空研究開発機構宇宙科学研究所（JAXA)(ISAS)）, 相模原市, 神奈川県, 2nd Sounding Rocket Symposium (August 5-6, 2019. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 26名, 資料番号: SA6000142023, レポート番号: Ⅶ-2

Published
2019

6. Development of Space Flight Detonation Engine Demonstrator Using Sounding Rocket S520-31 and Its Evolution

Author

Kasahara, Jiro, Matsuoka, Ken, Kawasaki, Akira, Goto, Keisuke, Yokoo, Ryuya, Buyakofu, Valentin, Matsuo, Akiko, Funaki, Ikkoh, Nakata, Daisuke, Uchiumi, Masaharu, Habu, Hiroto, Takeuchi, Shinsuke, Yamada, Kazuhiko, Kitagawa, Koki, Tobe, Hirobumi, Iwasaki, Akihiro, and Wada, Asato

Subjects
Sounding Rocket Flight Experiment, Detonation, Rotating Detonation Engine, Pulse Detonation Engine
Abstract

第2回観測ロケットシンポジウム（2019年8月5日-6日. 宇宙航空研究開発機構宇宙科学研究所（JAXA)(ISAS)）, 相模原市, 神奈川県, 2nd Sounding Rocket Symposium (August 5-6, 2019. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 17名, 設計製造協力: NETS, 山本機械設計, 資料番号: SA6000142024, レポート番号: Ⅷ-1

Published
2019

7. Experimental Study of Propulsive Performance of Rotating Detonation Engines in CH4/O2

Author

Goto, Keisuke, Yokoo, Ryuya, Kinm, Juhe, Sato, Tomoyuki, Kawasaki, Akira, Matsuoka, Ken, Kasahara, Jiro, Matsuo, Akiko, Funaki, Ikkoh, Yasuda, Kazuki, Yagihashi, Hiromitsu, Arimatsu, Koki, Nakata, Daisuke, Uchiumi, Masaharu, and Kawashima, Hideto

Subjects
Detonation, Rotating Detonation Engine
Abstract

平成30年度衝撃波シンポジウム (2019年3月5日-7日. 横浜国立大学経済・経営学部講義棟1号館 ）横浜市, 神奈川県, Symposium on Shock Waves in Japan, FY2018 (March 5-7, 2019. Yokohama National University), Yokohama, Kanagawa, 著者人数: 15名, 資料番号: SA6000134028, レポート番号: 1B3-5 [若]

Published
2019

8. Flight Experiment Research of Detonation Engines Using Sounding Rocket

Author

Kasahara, Jiro, Matsuoka, Ken, Kawasaki, Akira, Matsuo, Akiko, Funaki, Ikkoh, Nakata, Daisuke, Uchiumi, Masaharu, and Higashino, Kazuyuki

Subjects
Sounding Rocket Flight Experiment, Detonation, Rotating Detonation Engine, Pulse Detonation Engine
Abstract

第1回観測ロケットシンポジウム（2018年7月17日-18日. 宇宙航空研究開発機構宇宙科学研究所（JAXA)(ISAS)）, 相模原市, 神奈川県, 1st Sounding Rocket Symposium (July 17-18, 2018. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 資料番号: SA6000127017, レポート番号: V-3

Published
2018

9. Combustion Structure of a Cylindrical Rotating Detonation Engine with Liquid Ethanol and Nitrous Oxide.

Author

Sato, Tomoki, Nakata, Kotaro, Ishihara, Kazuki, Itouyama, Noboru, Matsuoka, Ken, Kasahara, Jiro, Kawasaki, Akira, Nakata, Daisuke, Eguchi, Hikaru, Uchiumi, Masaharu, Matsuo, Akiko, and Funaki, Ikkoh

Subjects
*NITROUS oxide, *COMBUSTION, *ETHANOL, *DETONATION waves, *ROCKET engines, *SPEED of sound, *ATMOSPHERIC pressure
Abstract

Liquid propellants are commonly used in rocket engines due to their high energy density. In this study, we focused on the use of liquid ethanol and liquid nitrous oxide as propellants in a cylindrical rotating detonation engine (RDE) for practical applications, and examined the effects of various conditions on the bipropellant RDE performance. We varied the vapor quality of nitrous oxide in a mixture of liquid and gaseous nitrous oxide due to the flash boiling. In addition, we varied the liquid ethanol temperature, the injector stiffness, and momentum angle of the propellant. We then analyzed the effects of these changes on the propagation mode of the RDE under atmospheric pressure conditions. The results showed that a rotating detonation wave was observed under the combination of high vapor quality of nitrous oxide, high injector stiffness, high liquid ethanol temperature, and high momentum angle. The propagation velocity was obtained as 73∼83 % of the Chapman-Jouguet velocity. Long-duration combustion tests were also conducted, and the internal combustion structure was confirmed from the erosion of the carbon-carbon (C/C) composite material. The detonation wave was considered to propagate near the bottom of the RDE with liquid propellants from the erosion heights of the C/C composite. The erosion height was confirmed to be consistent with the fill height calculated using the sound speed of the nitrous oxide. In addition, characteristic exhaust velocity efficiencies of more than 85 % were achieved in all combustion tests. [ABSTRACT FROM AUTHOR]

Published
2024
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