積極的COTSを導入した超小型推進系の開発とS-310-36号機による宇宙実証

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  • Development of Propulsion System for Microsatellite Based on Effective COTS, and Its Demonstration in S-310-36 Sounding Rocket Experiment
  • セッキョクテキ COTS オ ドウニュウシタ チョウコガタ スイシンケイ ノ カイハツ ト S 310 36ゴウキ ニ ヨル ウチュウ ジッショウ

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The University of Tokyo, Kobe University and Vienna University of Technology conducted a set of experiments including large membrane “Furoshiki Satellite” extension and active phased array antenna operation in January 2006, by using ISAS/JAXA sounding rocket S-310-36, one of their purposes was to demonstrate a cold gasjet propulsion system for microsatellites which makes use of effective COTS. A series of verification tests concerning the propulsion were conducted on ground before the launch, and it resulted in confirmation of 70 seconds of specific impulse at 250mN of thrust with little leakage for 4 months and good resistance to vibration and shock environment of the launcher. Although specific impulse of the propulsion in orbit was not determined, the propulsion system worked very well and we acquired pressure history of its tank, and established the basis of moderate-priced propulsion system for microsatellites and are ready to salute the coming era of microsatellites equipped with propulsion.

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