A New Tracer Tube under High Chamber Pressure, High Rotating Speed and High Overload
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摘要:为满足武器系统的需求，针对传统曳光管在高膛压、高转速、高过载条件下出现曳光剂脱落、短光、断火等问题，设计了一种新型曳光管结构。基于其结构组成和工作原理，进行了总体结构、点传火序列、压药压力和药面形状等方面的设计。通过设计金属膨胀环、凸型台阶药面以及在点传火序列中设计过渡药，以解决存在的问题。验证试验结果表明：在高膛压440MPa、高转速92 018 r·min-1及高过载99 180g·s-1的条件下，该曳光管能满足发光强度不小于18 000cd和燃烧时间不小于3.5s的指标要求，实现了弹头飞行2 500m显示弹道轨迹的功能。
Abstract:In order to meet the requirement of weapon system, aimed at the problems of tracer composition fall out, shortened light and deflagration cut off of traditional tracer tube, a new structure of tracer tube was designed. Based on the structure and working principle, the overall structure, ignition sequence, charge pressure and charge surface shape were designed. By designing the metal expansion loop, convex step type charge surface and intermediate charge in the ignition sequence, the existed problems would be solved. Verification test results show that under the conditions of high chamber pressure of 440MPa, high rotating speed of 92 018r·min-1 and high overload of 99 180 g·s-1, the new tracer tube can meet the requirements of luminous intensity not less than 18 000cd and combustion time not less than 3.5s, and realizes the function of displaying trajectory of warhead flying 2 500m.
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