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Development of CAMUI Hybrid Rocket to Create a Market for Small Rocket Experiments

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Title: Development of CAMUI Hybrid Rocket to Create a Market for Small Rocket Experiments
Authors: Nagata, Harunori Browse this author →KAKEN DB
Ito, Mitsunori Browse this author
Maeda, Takenori Browse this author
Watanabe, Mikio Browse this author
Uematsu, Tsutomu Browse this author
Totani, Tsuyoshi Browse this author →KAKEN DB
Kudo, Isao Browse this author
Issue Date: Jul-2006
Publisher: Elsevier
Journal Title: Acta Astronautica
Volume: 59
Issue: 1-5
Start Page: 253
End Page: 258
Publisher DOI: 10.1016/j.actaastro.2006.02.031
Abstract: By introducing various innovative ideas, the difficult-to-develop small hybrid-type rocket is successfully developed. The main purpose is to drastically reduce the cost of rocket experiments and thus attract potential users such as metrological and microgravity researchers. A key idea is a new fuel grain design to accelerate the gasification rate of solid fuel. The new fuel grain design, designated as CAMUI as an abbreviation of “Cascaded Multistage Impinging-jet”, is that the gas flow repeatedly collides with the solid fuel surface to accelerate the heat transfer to the fuel. To install a regenerative cooling system using cryogenic liquid oxygen as coolant in a small launcher, the authors devised a valveless supply system (with no valves in the liquid oxygen flow line). Four serial successful launch verification tests by 10 kg vehicle equipped with a 50 kgf thrust CAMUI motor have shown the feasibility of the motor system. The meteorological observation model of 400 kgf class motor is under development and the development of microgravity experiment class of 1.5 to 2 tonf motor will follow subsequently. The authors plan to complete the development of the 400 kgf class motor for meteorological observation model by the end of FY2005.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 永田 晴紀

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