Abstract
In this paper, numerical and experimental analysis were carried out to study the characters of the detonated rupture disks used in rarefaction wave gun for test. The pressure bearing capacity and cutting blasting ability of the disks were studied in detail. The research results showed that the designed detonated rupture disks could withstand the maximum pressure of 140 MPa or more during launch process. The central detonating spoke had an annular cutting depth of about 1.3 mm. It was not the shearing deformation at the supporting edge but the excessive tensile deformation at the middle position that led to the failure. The disk was cut and destroyed as a whole satisfyingly, so the rationality and feasibility of the detonated rupture disks used in rarefaction wave gun for test were verified, which could provide a reference for the development of rarefaction wave artillery and similar low recoil weapons.
Highlights
The rarefaction wave gun for test using the principle of rarefaction wave can better meet the requirements such as large diameter, heavy load, high initial velocity, and low recoil for modern dynamic simulation test equipment, so as to complete the target vulnerability analysis of the new weapon, the target damage effectiveness evaluation and the protection engineering protection ability evaluation
The penetration and cutting depth of the cutting rope to the slotted disks could directly affect the destruction of the disks and the opening timing of the rear spray device, thereby affecting the launch performance of the rarefaction wave gun for test
Numerical and experimental analysis were carried out to study the characters of the detonated rupture disks used in rarefaction wave gun for test
Summary
The rarefaction wave gun for test using the principle of rarefaction wave can better meet the requirements such as large diameter, heavy load, high initial velocity, and low recoil for modern dynamic simulation test equipment, so as to complete the target vulnerability analysis of the new weapon, the target damage effectiveness evaluation and the protection engineering protection ability evaluation. Keywords Rarefaction wave gun for test, detonated rupture disks, detonated cutting, pressure bearing capacity, cutting blasting ability This paper carried out the numerical and experimental researches on the pressure resistance and detonated cutting damage of detonated rupture disks, in order to provide support for the development of detonated rupture disks used in rarefaction wave gun for test.
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