Droplet Electric Ignition Characteristics of New HAN-based Liquid Propellant EMP-01

被引：0
|
作者：
Liu C. [1 ]
Yao T.-L. [2 ]
Xue X.-C. [1 ]
Yu Y.-G. [1 ]
Zhang X.-W. [1 ]
机构：
[1] School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing
[2] Shanghai Institute of Space Propulsion, Shanghai
来源：
Hanneng Cailiao/Chinese Journal of Energetic Materials | 2023年 / 31卷 / 09期
关键词：
combustion; electrical ignition characteristics; HAN-based propellant; liquid propellant;
D O I：
10.11943/CJEM2023103
中图分类号：
学科分类号：
摘要：
In order to explore the droplet ignition characteristics of a new type of hydroxylamine nitrate（HAN）-based liquid propellant EMP-01，a droplet electric ignition experimental platform was built by placing the droplet in a hemispherical groove and inserting the electrode. The electrical ignition characteristics of EMP-01 droplets under the conditions of droplet diameter of 6.5 mm，electrode spacing of 0.5 mm and voltage loading rate of 86.31 V·s-1 were studied，and the ignition delay time under this condition was determined. At the same time，the variation law of droplet ignition delay time and combustion process was also studied within 34.20-246.37 V·s-1 under the condition of constant droplet diameter and electrode spacing. The results show that the droplet separation of EMP-01 undergoes three stages：heating，thermal decomposition and combustion，and there is a periodic expansion and contraction process in the thermal decomposition stage. When the voltage loading rate is 34.20 V·s-1，the EMP-01 droplet cannot be successfully ignited；When the voltage loading rate is 49.49-246.37 V·s-1，the ignition delay time decreases gradually with the increase of voltage loading rate，but with the increase of voltage loading rate，the decrease rate of ignition delay time gradually slows down. © 2023 Institute of Chemical Materials, China Academy of Engineering Physics. All rights reserved.
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页码：895 / 902
页数：7
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