Technical Report イオン液体推進剤の研究動向
A review on research trend on energetic ionic liquid propellants.

伊里, 友一朗  ,  三宅, 淳巳  ,  Izato, Yuichiro  ,  Miyake, Atsumi

Description
本稿の目的は, エネルギーイオン液体推進剤(EILPs)に関する研究動向をレビューし, 我々の研究の位置づけを再確認することである. 世界的にEILPs に関する研究が進むにつれて, EILPsに対する要求物性も定まってきた. 世界のEILPs開発は2液推進系と1液推進系の2つの流れがある. 2液推進系開発においては, (発煙)硝酸や四酸化二窒素混合による自己着火(Hypergolic)組成の探索と評価が主な研究課題である. いくつかのHypergolic組成が既に報告されており, メカニズムの検討をなされている. 1液推進系開発は2液推進系に対して遅れていた. しかし, 最近はAF-M315E と呼ばれる1液推進系EILPsが報告され始めた. これら研究動向を本稿にまとめた.
The paper presents research trend on energetic ionic liquid propellants (EILPs) in the world. We reviewed the literatures and reviews on such fields. Recently, researchers has arrived at agreement on appropriate propertied of EILPs. There are two type of EILPs, monopropellants and bipropellants. For developing bipropellant, researches have explored the hypergolicity ionic liquid with nitric acid or N2O4. In fact, some types of ionic liquids have a hypergolicity and the mechanism have been investigated. Development of monopropellants has lagged behind that of bipropellants. However, the new promising EILPs for monopropellant, so called AF-315E, has been reported from U. S. researchers, recently. In this paper, we reported such trends on developing EILPs.
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