Experimental Research on Underwater Explosion Energy Output of Explosive

In order to understand the energy output characteristics for underwater explosion of explosive, especially the decay law of shock wave energy along with the distance, the efficient shock wave energy per unit mass was researched. In traditional empirical formulas, it satisfies the similarity law. The underwater explosion experimental results show that the shock wave energy, bubble energy and total energy per unit mass of TNT explosive are all in agreement with the empirical results. By analyzing the experimental results, the trend line of the efficient shock wave energy per unit mass decayed with the scale distance was obtained. Compared with the empirical results, it is found that the efficient shock wave energy decays more rapidly in small charge experiment.