Explosion experimental device for simulating underground free field environment

Abstract

The invention discloses an explosion experimental device for simulating an underground free field environment. The device comprises a spherical pressure container, an inner wall sprayed layer, an operation sealing head, a detonation line interface, a pressure sensor test interface, an explosive fixing rod, a fixing groove, a water inlet, a water outlet, an installation base, a flange plate, toughened glass and a base support. The explosion experimental device has the beneficial effects that the spherical pressure container is used as a main body, meeting the requirement of certain amount of explosive for many experiments; the device can be pressurized so as to simulate a certain deep water environment; a spherical tank is provided with an observation window which allows an operator to observe shapes of bubbles in the tank in experiment; the interior of the tank is treated by spraying or pasting multiple layers of material better in wave impedance matching, so as to absorb or suppress reflected impulse load to realize an underground free field environment.

Description

technical field [0001] The invention relates to an experimental device, in particular to an explosion experimental device for simulating an underwater free field environment, and belongs to the technical field of simulating deep water explosion experiments. Background technique [0002] Underwater explosion experiments are generally used to study the damage capability of underwater weapons. In order to test the damage effects of underwater weapons, underwater explosion experiments are often carried out. Underwater explosion experiments are generally divided into indoor experiments and outdoor experiments. Outdoor experiments can be carried out at sea, in lakes or in pools. Outdoor experiments are not only costly but also difficult to observe the movement history of underwater bubbles due to their environmental constraints. Therefore, it is economically feasible to simulate the underwater explosion experiment by using a pressure vessel filled with water, and it is easier to o...

AI Technical Summary

Problems solved by technology

However, the existing devices for underwater explosion experiments cannot satisfy both the deep water environment and the free field environment.

In order to satisfy the free field, it is often carried out in a large lake or pool, but it is difficult to meet the deep water environment of hundreds of meters in this working condition and the explosion damage process cannot be observed; when a pressure vessel is used, the shock wave reaches the vessel wall in the water, Affected by the wave impedance of water and container material (usually steel), the shock wave transmitted to the bubble will be reflected. The reflected shock wave directly affects the bubble's pulsation behavior, which is difficult to meet the free field environment, which greatly restricts the deep water explosion experiment. Research

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