ヤマグチ　トシカズ   YAMAGUCHI TOSHIKAZU   山口　敏和    所属   メディアコミュニケーション学部 情報文化学科    職種   准教授
言語種別	英語
発行・発表の年月	2016/03
形態種別	論文
査読	査読あり
標題	Air-Breathing System Using Reed Valve for Pulse Detonation Microwave Rocket
執筆形態	共著
掲載誌名	Aerospace Technology Japan
掲載区分	国外
出版社・発行元	The Japan Society for Aeronautical and Space Sciences
巻・号・頁	14,pp.1-7
総ページ数	7
著者・共著者	Masafumi FUKUNARI, Toshikazu YAMAGUCHI, Kimiya KOMURASAKI, Yasuhisa ODA, Ryosuke IKEDA, Ken KAJIWARA, Koji TAKAHASHI, Keishi SAKAMOTO
概要	An air-breathing system using reed valves was developed for Microwave Rocket. No stopper plate was used to avoid interference between the reed valve tip and high-power microwave beams in the thruster tube. Titanium alloy was used for the reed petal because of its high strength. The petal's width and thickness were designed to be tapered to prevent the petal from yielding, and its fundamental frequency, opening area, and the maximum stress on the petal were computed using static analysis. Estimated fundamental frequency agreed well with the measurement, though the opening area and the maximum stress were underestimated because of the inertial force. The experiment was conducted using a high-power microwave generator (gyrotron) to evaluate the air-breathing performance. In the experiment, no plastic deformation was observed on the reed petal and the partial filling rate was deduced as 0.32-0.44 for two reed valve stages (16 reed valves).
DOI	10.2322/tastj.14.1
ISSN	1884-0485