Effects of Ammonia and Metal Ions on Stability of ADN-Based Green Propellant System

被引：0

作者：

Ma Z.-Y. ^{[1
,2
]}

Zhu S.-M. ^{[1
]}

Cong W.-M. ^{[2
]}

Wang X.-D. ^{[2
]}

Wang W.-T. ^{[2
]}

Zhang W.-S. ^{[2
]}

机构：

[1] College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian

[2] CAS Key Laboratory of Science on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2021年 / 42卷 / 11期

关键词：

Ammonium dinitramide; Freezing point; Green propellant; Metal ion; Stability;

D O I：

10.13675/j.cnki.tjjs.200023

中图分类号：

学科分类号：

摘要：

In order to study the effects of ammonia and metal ions on the freezing point and stability of ADN-based propellants at room temperature, aviation fuel freezing point test method described in GB/T 2430-2008 was used to explore the effects of ammonia on freezing point of ADN-water system, and microthermal accelerated aging method described in NATO standard STANAG 4582 was used to measure effects of ammonia and transition metal ions on storage stability of ADN-water system at room temperature. The results show that ammonia effectively reduces the freezing point of the ADN-water system and improves its storage stability at room temperature. The introduction of trace Fe3+ and Cr3+ (≤15mg/kg) makes the stability of ADN-based green propellants slightly improved, while the introduction of 30mg/kg Fe3+, Cr3+ and trace Cu2+ all slightly reduces the stability of ADN propellants, while its room temperature stability is still within the standard of safe storage. The above results indicate that for the ADN-based propellant system, ammonia is an excellent additive, which can effectively improve its application temperature range and stability, and in the process of its production, transfer and filling, the introduction of metal ions should be avoided. © 2021, Editorial Department of Journal of Propulsion Technology. All right reserved.

引用

页码：2610 / 2616

页数：6

共 17 条

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