Abstract
Abstract The study of elements of rail electromagnetic accelerator (railgun), aimed at studying the mechanism of formation of the dense and free from impurities plasma jet with high kinetic energy is presented. The accelerator was tested with pulsed gas inlet, different shape and length of electrodes, as well as with an additional magnetic field created by external conductors with current. The method controlling of plasma jet parameters on test bench with the use of pressure sensor and infrared video camera was developed. The dependence of the pressure of deuterium plasma flow on distance to the accelerator was investigated. The kinetic energy of the jet was estimated.
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