Non-destructive method to assess physical condition of chemical

Details Non-destructive method to assess physical condition of chemical Non-destructive method to assess physical condition of chemical

1986-12-04

1987-10-06

Buczinski, Stephen C.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

73 32A, 73 54, G01N 904, G01N 1116

Patent

active

H00003360

ABSTRACT:
This invention relates to a method for assessment of the condition, and cge of condition, of the liquid fill for chemical projectiles by analyzing the vibrational characteristics of the projectile and fill. It is a method by which the condition of the liquid fill in a projectile can be assessed without requiring cutting, drilling, and/or altering the structure of the shell or payload. This non-destructive technique can be used with projectiles filled with toxic or hazardous materials and can occur within the confines of storage buildings. The system for incorporating the method of the invention includes a projectile which is freely suspended and then struck with a device causing the projectile and the fill to vibrate. The natural vibrational characteristics of the projectile and fill are measured and recorded and can be compared to model data to ascertain any changes in the physical characteristics of the fill.

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