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Capillary discharge plasmas have been widely used as electrothermal chemical (ETC) launch devices, fusion reactor pellet injectors and high heat flux sources for material studies. In the electro thermal chemical launcher, the mechanisms of the plasma-propellant interaction are critical, with many factors being of potential importance. In particular, the role of plasma radiation is disputed. We will...
A 2-D time-dependent magnetohydrodynamic model of an ablation-dominated capillary is developed. The capillary discharge test is carried out to verify the validity of the numerical model. Special attention is paid to the radial distribution of the capillary discharge plasma characteristics. In addition, the factors that influence the radial distribution are investigated. Then, the competition of the...
During the electrothermal chemical (ETC) ignition, radiation heat transfer plays an important role, which calls for a comprehensive understanding of the radiation characteristics of the plasma jet. Therefore in this work, an experimental investigation was conducted on the radiation characteristics. Three types of propellants with different emissivity were ignited by two different schemes, namely,...
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