Water flow diagnostics for predicting bi-propellant thruster performance

Chihiro Inoue, Koji Nozaki, Go Fujii, Yu Daimon

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

We demonstrate an environmentally friendly and easily handling cold flow diagnostics to determine the value of exhaust velocity c in bi-propellant thrusters, practically useful prior to the hot firing tests. We employ only water as the simulant liquid, and directly measure the local ratios of mixture and flow rate using a conventional patternator with an absorbance spectrometer. The density ratio mismatching to the real propellants of MON/MMH is able to be reasonably compensated. Combining with the chemical equilibrium analysis, we calculate c at wide range of injection mixture ratio under several injector configurations. The validity of the framework is quantitatively evidenced by comparing with corresponding hot firing tests. This fact deduces that the mixing states of MON/MMH at firing condition is reproducible by water flow diagnostics under the appropriate conversion technique. We also investigate the c trend resulting from injection conditions by flow visualizations.

本文言語英語
ホスト出版物のタイトル53rd AIAA/SAE/ASEE Joint Propulsion Conference, 2017
出版社American Institute of Aeronautics and Astronautics Inc, AIAA
ISBN(印刷版)9781624105111
DOI
出版ステータス出版済み - 2017
外部発表はい
イベント53rd AIAA/SAE/ASEE Joint Propulsion Conference, 2017 - Atlanta, グルジア
継続期間: 7 10 20177 12 2017

出版物シリーズ

名前53rd AIAA/SAE/ASEE Joint Propulsion Conference, 2017

その他

その他53rd AIAA/SAE/ASEE Joint Propulsion Conference, 2017
国/地域グルジア
CityAtlanta
Period7/10/177/12/17

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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