Investigation on plasma enhanced decomposition of ammonium dinitramide (ADN) based propellant with optical diagnosis

Wang, Fangyi; Zhang, Shaohua; Yu, Xilong

doi:10.1016/j.sab.2022.106589

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…Importantly, the specic reaction paths of ADN can be greatly changed by modulating the catalysts, which in turn exerts a signicant inuence on the ignition process and energy density of the propellant. [43][44][45] Therefore, clarifying the decomposition mechanisms of ADN and recognizing the corresponding products is of great signicance for an ADN-based monopropellant to build reliable combustion models. In addition, the thermal decomposition characteristics can also offer valuable guidance for the catalytic decomposition and engine design.…”

Section: Thermal Decomposition Of Adnmentioning

confidence: 99%

Research progress on the catalytic and thermal decomposition of ammonium dinitramide (ADN)

Tian,

Xu,

Cong

et al. 2024

RSC Adv.

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Section: Thermal Decomposition Of Adnmentioning

confidence: 99%

Research progress on the catalytic and thermal decomposition of ammonium dinitramide (ADN)

Tian,

Xu,

Cong

et al. 2024

RSC Adv.

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Electrical ignition of ADN-based green liquid propellant in constant volume combustion chamber and continuous flow

Wu,

Li,

et al. 2024

Advances in Space Research

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Effect of Microwave Antenna Material and Diameter on the Ignition and Combustion Characteristics of ADN-Based Liquid Propellant Droplets

Li,

Hou,

2024

Energies

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Microwave-assisted ignition is an emerging high-performance ignition method with promising future applications in aerospace. In this work, based on a rectangular waveguide resonant cavity test bed, the effects of two parameters (material and diameter) of the microwave antenna on the ignition and combustion characteristics of ADN-based liquid propellant droplets were investigated using experimental methods. A high-speed camera was used to record the droplet combustion process in the combustion chamber, the effect of the microwave antenna on the propellant combustion response was analyzed based on the emission spectroscopy method, and finally, the loss of the microwave antenna was evaluated using a scanning electron microscope. The experimental results show that the droplet has the lowest critical ignition power (179 W) when the material of the microwave antenna is tungsten, but the ignition delay time is higher than that of copper. A finer diameter of microwave antenna is more favorable for plasma generation. At a microwave power of 260 W, the ignition delay time of the droplet with a microwave antenna diameter of 0.3 mm is 100 ms lower than that of 0.8 mm, which is about 37.5%. In addition, this study points out the mechanism of microwave discharge in the droplet combustion process. The metallic microwave antenna not only collects the electrons escaping from the gas discharge, but also generates a large amount of metallic vapor, which provides charged particles to the plasma. This study provides the possibility for the application of microwave-assisted liquid fuel ignition.

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Investigation on plasma enhanced decomposition of ammonium dinitramide (ADN) based propellant with optical diagnosis

Cited by 3 publications

References 14 publications

Research progress on the catalytic and thermal decomposition of ammonium dinitramide (ADN)

Research progress on the catalytic and thermal decomposition of ammonium dinitramide (ADN)

Electrical ignition of ADN-based green liquid propellant in constant volume combustion chamber and continuous flow

Effect of Microwave Antenna Material and Diameter on the Ignition and Combustion Characteristics of ADN-Based Liquid Propellant Droplets

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