Shock simulator

Details Shock simulator Shock simulator

1981-03-10

1983-03-15

Swisher, S. Clement

Measuring and testing

Testing by impact or shock

Specimen impactor detail

73167, G01N 1900, G01N 330

Patent

active

043763880

ABSTRACT:
A projectile ground shock simulator for simulating the force pulse on a pectile in testing for shock effect on the guidance system of the projectile. The simulator incorporates a liquid/solid material as an energy absorbing and storing spring for simulating the force pulse on the projectile. The projectile is positioned in a drop tube and impacted with a drop vehicle to simulate the forces created during firing of the projectile. The drop vehicle is provided with the liquid/solid spring having a piston and cylinder on the impact face of the drop vehicle. The cylinder is filled with a liquid or solid polymer material having a high bulk modulus of compressibility which gives the spring volumetric stiffness. The spring thus duplicates the force pulse acting on a fired projectile and also allows for the drop vehicle to be reused.

REFERENCES:
patent: 3226974 (1966-01-01), Bresk et al.
patent: 3352143 (1967-11-01), Bollar
patent: 3693432 (1972-09-01), Stewart et al.
patent: 3927554 (1975-12-01), Langhorst
patent: 4004794 (1977-01-01), Jarret et al.

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