控制方程是一维非定常气体动力学偏微分方程组，用隐式中心差分结合特征线法解算。

The numerical solution of the governing equations, pertaining to one-dimensional unsteady gas dynamics, utilizes an implicit finite-difference scheme combined with the method of characteristics.

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利用由雪耙模型导出的Z箍缩聚爆时间表达式，并结合“强光一号”Z箍缩实验结果，修正了由一维等熵气体动力学得到的喷嘴气流线质量表达式。

Combining the data of gas puff Z pinch experiments on Qiangguang I generator, the expression of the line mass is obtained using the implosion time expression which is deduced from snow-plow model.

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本文将这一复杂的物理化学和气体动力学过程简化为二维前向台阶分离区的准定常烧蚀问题来处理。

The problem of complicated physicochemical and aerodynamic process is simplified to one of two-dimensional forward-facing step of quasi-steady state ablation problem of the separation region.

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