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Effect of Equivalence Ratio and Turbulence Fluctuations on the Propagation of Detonations

机译:等效率和湍流波动对爆轰传播的影响

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The effect of turbulence and inhomogeneities on the propagation of a 3-dimensional detonation is studied in a practical configuration. An in-house Navier-Stokes solver using detailed H_2-O_2 chemistry is first validated on known test-cases, then used on the target calculation. The geometry chosen is that of a linearized RDE with non premixed injection, operating at low initial pressure and temperature. The results are analyzed with an emphasis on two important metrics describing the nature of the detonation, shock front velocity and induction length.
机译:在实际配置中研究了湍流和不均匀性对三维爆炸的传播的影响。使用详细的H_2-O_2化学的内部Navier-Stokes求解器首先在已知的测试案件上验证,然后在目标计算上使用。所选择的几何形状是线性化的RDE,具有非预混合喷射,在低初始压力和温度下操作。分析了结果,重点是描述爆轰,冲击前速度和感应长度的两个重要指标。

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