

An Experimental Method for Evaluating the Effectiveness of the Flame Inhibitor
Abstract
In order to test the effect of flame inhibitor on the secondary flame of propellant gas accurately and conveniently, and study the effect of flame inhibitor on the muzzle flame, an experimental method for evaluating the effectiveness of the flame inhibitor is designed with applying the flame simulator, high speed video camera and Pro Plus Image software. The duration time of flame, maximum flame area, total area of flame and q value of five kinds of charges containing flame inhibitor (TEGDN propellant with 0 wt% KNO3, 0.3 wt% KNO3, 1 wt% KNO3 in formulation or added bag with 1 wt% KNO3, 4 wt% KNO3) were studied through the designed method. It is showed that the TEGDN propellant contains 1wt% KNO3 in formulation had the best test result. The experimental results are consistent with the actual results of the interior ballistic firing, which shows that the method is feasible.
DOI
10.12783/ballistics2019/33071
10.12783/ballistics2019/33071
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