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2016 Fiscal Year Final Research Report

Study of Ignition Process on Hypergolic Fuel Using Detailed Chemical Reaction Model Constraction and High Time Resolution Non-contact Measurement

Research Project

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Project/Area Number 26420164
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Thermal engineering
Research InstitutionJapan Aerospace EXploration Agency

Principal Investigator

Daimon Yu  国立研究開発法人宇宙航空研究開発機構, 研究開発部門, 研究開発員 (90415901)

Project Period (FY) 2014-04-01 – 2017-03-31
Keywords自己着火特性 / 燃焼数値解析 / 詳細化学反応モデル / 可視化 / スラスタ / 液体ロケット
Outline of Final Research Achievements

A numerical analysis clarified ignition characteristics of the chemical propulsion rocket engine (thruster) used for attitude control and orbit insertion of a spacecraft. Applicants also conducted test data acquisition necessary for verification and constructed detailed chemical reaction model required for numerical analysis. Our detailed chemical reaction model was able to build higher prediction accuracy than previous research. Also in the verification test, there was new discoveries about ignition and chemical species distribution. By conducting numerical analysis for the verification test, the detailed chemical reaction model could be validated. In the numerical simulation for the flow field inside the thruster, the flame holding mechanism and the criteria of the two combustion modes were clarified.

Free Research Field

燃焼数値解析、宇宙機スラスタ、液体ロケットエンジン、自己着火性燃料

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Published: 2018-03-22  

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