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通过求解N－S方程，数值计算了扩张圆管内的非平衡流动，并研究了超声速混合和燃烧的强化技术。结果表明，在超声速领域，预旋燃料方式是一种比较有效的强化技术。
By solving the N-S equation, the unbalanced flow in the expanded tube was numerically calculated and the enhancement of supersonic mixing and combustion was studied. The results show that in the field of supersonic, pre-spin fuel is a more effective reinforcement technique.