HAN基电控凝胶推进剂的流变及点火燃烧特性

李春天; 王之栋; 李濂; 王志文; 张千翼; 刘海庆; 方普懿行; 沈瑞琪; 张伟

doi:10.12382/bgxb.2024.0609

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HAN基电控凝胶推进剂的流变及点火燃烧特性

更新时间：2025-09-05

- HAN基电控凝胶推进剂的流变及点火燃烧特性
- Study of Rheological Properties and Factors Influencing the Ignition and Combustion Characteristics of HAN-based Electrically Controlled Gel Propellant
- 兵工学报 2025年46卷第7期页码：240609
- 作者机构：
  
  1. 南京理工大学化学与化工学院, 江苏南京 210094
  2. 南京理工大学空间推进技术研究所, 江苏南京 210094
  3. 微纳含能器件工业和信息化部重点实验室, 江苏南京 210094
- 作者简介：
  
  *wzhang@njust.edu.cn
- 基金信息：
  
  国家自然科学基金面上项目(12074187)
- DOI：10.12382/bgxb.2024.0609
  中图分类号：
- 收稿：2024-07-22，
  
  网络出版：2025-08-12，
  
  纸质出版：2025-07-31
- 稿件说明：
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李春天, 王之栋, 李濂, 等. HAN基电控凝胶推进剂的流变及点火燃烧特性[J]. 兵工学报, 2025,46(7):240609.

Chuntian LI, Zhidong WANG, Lian LI, et al. Study of Rheological Properties and Factors Influencing the Ignition and Combustion Characteristics of HAN-based Electrically Controlled Gel Propellant[J]. Acta Armamentarii, 2025, 46(7): 240609.
李春天, 王之栋, 李濂, 等. HAN基电控凝胶推进剂的流变及点火燃烧特性[J]. 兵工学报, 2025,46(7):240609. DOI： 10.12382/bgxb.2024.0609.

Chuntian LI, Zhidong WANG, Lian LI, et al. Study of Rheological Properties and Factors Influencing the Ignition and Combustion Characteristics of HAN-based Electrically Controlled Gel Propellant[J]. Acta Armamentarii, 2025, 46(7): 240609. DOI： 10.12382/bgxb.2024.0609.

摘要

Abstract

Gel propellant has the advantages of controllable combustion

easy to storage and good safety

which has potential application prospects in space micro-propulsion technology.Thus

in order to effectively improve the pipeline transportation efficiency of gel propellant and study the factors affecting its ignition and combustion characteristics

the rheological properties and the ignition and combustion characteristics of hydroxylamine nitrate (HAN)-based electronically controlled gel propellant are experimentally studied by using a rotary rheometer and an electro-chemical combustion diagnostic system.The results show that the viscosity of gel propellant can be dramatically declined by increasing the shear force and rising the temperature.When the gel propellant is subjected to a significant shear force

its loss modulus is more dominant than the storage modulus under external shear

and it begins to change from a solid to a fluid.The viscosity of gel propellant will increase rapidly when the external shear action disappears

which highlights the solid properties.In this experiment

the most suitable electrode material for HAN-based electrically controlled gel propellant is Mo electrode

which has the lowest ignition delaytime of 0.3s and the fastest volumetric burning rate of 0.21mL/s at 250V (25℃).On the other hand

the temperature has a significant effect on the ignition delay of gel propellant.The ignition delaytime of gel propellant decreases from 5.3s to 1.5s with the rise on temperature at 175V.But the temperature has no obvious effect on the volumetric burning rate.Combining with R-type thermocouple

the flame temperature distribution of gel propellant measured based on the thermocouple temperature measurement technology is in the range of 1200-1400K.

关键词

Keywords

references

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