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桥丝式电火工品静电发火过程的数值模拟
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TJ450.2

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Numerical Simulation of Electrostatic Firing Sequence of Bridgewire EED
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    摘要:

    根据灼热桥丝式电火工品的电热起爆机理,考虑桥丝的轴向和径向散热以及药剂自身的分解放热,建立了灼热桥丝式电火工品静电发火的数理模型。用有限差分法对该模型方程进行求解,得出了桥丝式电火工品的三维温度场分布,并对结果进行了分析。

    Abstract:

    Based on the electrical thermal explosion theory of electro-explosive device (EED), and the considera-tions of the axial and radial heat diffusion of the bridgewire and thermal decomposition of the composition, an ideal mathematical model of electrostatic firing is developed. The model equations are computed by means of a finite-difference method. The three dimensions of temperature fields for EED are gained and the results are discussed.

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  • 在线发布日期: 2020-12-21
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