Abstract

In this paper we investigated underwater-explosion shock wave propagation using the ultrahigh-speed simultaneous framing and streak photography, a system newly developed by ourselves. The results show that this system is able to record simultaneously the same spatiotemporal 1D and 2D high-resolution images of underwater explosion shock wave propagation and observe the underwater explosion shock wave propagation process of TNT with a diameter of 66mm and a length of 60 mm, and that the average propagation speed and pressure of the shock wave interface can be obtained based on the experiment, thereby providing reference for efficiency evaluation in the design of underwater weapons.

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