Catalytic bed slenderness ratio and ADN/methanol ratio for decomposition and combustion characteristics within ammonium dinitramide (ADN)-based green aerospace thruster

Jun Chen; Guoxiu Li; Tao Zhang; Yinglong Liu; Rui Yang; Yang Chen

doi:10.1016/j.cjche.2019.01.017

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Catalytic bed slenderness ratio and ADN/methanol ratio for decomposition and combustion characteristics within ammonium dinitramide (ADN)-based green aerospace thruster

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Catalytic bed slenderness ratio and ADN/methanol ratio for decomposition and combustion characteristics within ammonium dinitramide (ADN)-based green aerospace thruster
- Chinese Journal of Chemical Engineering Vol. 27, Issue 5, Pages: 1159-1165(2019)
- Affiliations：
  
  1. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University,Beijing,China,100044
  2. Beijing Institute of Control Engineering,Beijing,China,100190
  3. Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology,Beijing,China,100190
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.01.017
  CLC：
- Published：2019
- Accepted：
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Jun Chen, Guoxiu Li, Tao Zhang, Yinglong Liu, Rui Yang, Yang Chen. Catalytic bed slenderness ratio and ADN/methanol ratio for decomposition and combustion characteristics within ammonium dinitramide (ADN)-based green aerospace thruster[J]. Chinese Journal of Chemical Engineering, 2019, 27(5): 1159-1165.
DOI：

Jun Chen, Guoxiu Li, Tao Zhang, Yinglong Liu, Rui Yang, Yang Chen. Catalytic bed slenderness ratio and ADN/methanol ratio for decomposition and combustion characteristics within ammonium dinitramide (ADN)-based green aerospace thruster[J]. Chinese Journal of Chemical Engineering, 2019, 27(5): 1159-1165. DOI： 10.1016/j.cjche.2019.01.017.

摘要

Abstract

The decomposition and combustion characteristics of ammonium dinitramide (ADN) based non-toxic aerospace propellant are analytically studied to determine the effects of catalytic bed structure (slenderness ratio) and operation parameters (mass fraction ratio of ADN/CH

OH) on the general performance within the ADN-based thruster. In the present research

the non-equilibrium temperature model is utilized to describe the heat transfer characteristics between the fluid phase and solid phase in the fixed bed. We determined the fluid resistance characteristics in the catalytic bed by experiments involving the method of pressure-mass. We have done the simulation study based on the available results in the literature and found the complex physical and chemical processes within the ADN thruster. Furthermore

an optimized catalytic bed slenderness ratio was observed with a value of 1.75 and the mass fraction ratio of 5.73 significantly influenced the propellant performance. These results could serve as a reference to explore the combustion characteristics within the thruster and the preparation of future propellants.

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