Comparison of Plasma and Conventional Ignition Performance of Propellants

XUE Ao wei;XIAO Zheng gang;YING San jiu;XU Fu ming

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    Published By: Journal Of Ballistics

    CN 32-1343/TJ

Journal Of Ballistics ›› 2009, Vol. 21 ›› Issue (3) : 61-64.

Comparison of Plasma and Conventional Ignition Performance of Propellants

  • XUE Ao wei, XIAO Zheng gang, YING San jiu, XU Fu ming
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Abstract

To study the differences between plasma and conventional ignition of propellants, the pressure time curves during interrupted burning process of different propellants such as triethyeneglycol dinitrate (TEGN), single base and nitramine propellants ignited by plasma ignitier and conventional igniter (black powder and 2/1 camphor deterred single base propellants) were measured by pressure sensor in interrupted burning setup. Ignition energy during plasma and conventional ignition process were calculated respectively. Influence of three kinds of ignition means on ignition delay of different propellants was discussed based on experimental results. The results show that the spatial distribution of plasma parameters (temperature, density, pressure and velocity) is attenuated from plasma generator exit along the axial and radial locations. In contrast with the conventional ignition such as black powder and 2/1 camphor deterred nitrocellulose igniters, plasma ignition can decrease the ignition delay time of propellants with less energy.

Key words

propellants / plasma / ignition

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XUE Ao wei, XIAO Zheng gang, YING San jiu, XU Fu ming. Comparison of Plasma and Conventional Ignition Performance of Propellants. Journal Of Ballistics. 2009, 21(3): 61-64

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