Test projectile recovery device

Abstract

The invention belongs to the field of projectile tests and experiments, and particularly relates to a test projectile recovery device. Partial liquid is filled in a recovery capsule, a large number ofliquid bubbles can be formed through the links such as a high-pressure air pipe, a metal air pipe, a one-way valve, an air inlet hole and an open cell foam inner cylinder by utilizing high-pressure gas in a gas cylinder, the liquid bubbles enter the recovery capsule, and the liquid containing the large number of liquid bubbles becomes compressible liquid. When a test projectile rushes into the liquid containing the large number of liquid bubbles at high speed, by utilizing the compressibility of the air bubbles and the damping characteristic of the liquid, the damage of the projectile causedwhen the projectile enters water is prevented, a speed reducing function of the projectile is realized, and a high-speed test projectile recovery function is realized. The test projectile recovery device provided by the invention overcomes the defects of sand box recovery, mechanical buffer recovery, foamed aluminum recovery, water damping recovery and gas recovery, provides a new method for the recovery problem of the projectile experiment process, has a certain value on recovery during the projectile experiment, and is worth to be popularized in the projectile recovery technology.

Description

technical field [0001] The invention belongs to the field of projectile testing, in particular to a test projectile recovery device. By filling part of the liquid in the recovery cabin, using the high-pressure gas in the gas cylinder to continuously inflate the liquid, so that a large number of bubbles are generated in the liquid, and when the projectile is rushed into the liquid with a large number of bubbles at high speed, the compressibility of the bubbles is used. The damping characteristics of the liquid not only prevent the damage of the projectile when it enters the liquid, but also realize the deceleration function of the projectile, and realize the recovery function of the high-speed test projectile. Background technique [0002] In the research process of the projectile, it is usually necessary to test various parameters of the projectile, such as the acceleration of the projectile impact overload, the acceleration of the projectile in the gun bore, etc. For the t...

AI Technical Summary

Problems solved by technology

The characteristics are: compressed air generates a lot of heat, and the recovery distance is too long. Since the pressure of the compressed air reaches the maximum value when the velocity of the projectile is zero, the projectile will move in reverse, which brings a lot of problems to the analysis of test data.

Images