An alternative method for the measurement of the mechanical impulse of a vertically directed blast.
Rev Sci Instrum
; 79(7): 075102, 2008 Jul.
Article
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| MEDLINE
| ID: mdl-18681729
ABSTRACT
An alternative method for the measurement of the total mechanical impulse of a vertically directed blast due to an explosive charge is presented. The method differs from apparatus that employ a vertically displaced mass (similar in principle to the ballistic pendulum) in that a relatively compact spring-damper system is employed to constrain the movement of the mass. The mechanical impulse is determined by integrating, with respect to time, the net force applied to the spring-damper system. The details of an explosive impulse measuring instrument rated to 12 kN s are presented.
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2008
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