Abstract
Cylindrical cellular detonation is numerically investigated by solving two-dimensional reactive Euler equations with a finite volume method on a two-dimensional self-adaptive unstructured mesh. The one-step reversible chemical reaction model is applied to simplify the control parameters of chemical reaction. Numerical results demonstrate the evolution of cellular cell splitting of cylindrical cellular detonation explored in experimentas. Split of cellular structures shows different features in the near-field and far-field from the initiation zone. Variation of the local curvature is a key factor in the behavior of cell split of cylindrical cellular detonation in propagation. Numerical results show that split of cellular structures comes from the self-organization of transverse waves corresponding to the development of small disturbances along the detonation front related to detonation instability.
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(Communicated by ZHOU Zhe-wei)
Project supported by the National Natural Science Foundation of China (No. 90205027) and China Postdoctoral Science Foundation (No. 2005037444)
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Wang, C., Jiang, Zl., Hu, Zm. et al. Numerical investigation on evolution of cylindrical cellular detonation. Appl. Math. Mech.-Engl. Ed. 29, 1487–1494 (2008). https://doi.org/10.1007/s10483-008-1109-y
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DOI: https://doi.org/10.1007/s10483-008-1109-y