Roles of Acoustic Impedance and Acoustic Velocity Ratios on Semiconfined Detonation Propagation

What is it about?

Most previous studies have attributed the variation of the layered detonation propagation regimes to the acoustics impedance ratio. However, in addition to the acoustic impedance ratio, significant variations in acoustic velocity between the inert gas and reactant also play a critical role in the layered detonation dynamics, which has often been overlooked. It remains unclear what the respective roles of acoustics impedance ratio and acoustic velocity ratio are in the layered detonation propagation. The specific mechanism by which each factor influences detonation propagation is still poorly understood. Motivated by the above considerations, this study aims to distinguish the roles and elucidate the underlying functional mechanisms behind these phenomena, which is of great significance both for the academic and industrial communities.

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