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Vječislav Bohanek
Mario Dobrilović
Vinko Škrlec

Puni tekst: hrvatski pdf 2.235 Kb

str. 73-80

preuzimanja: 921



Shaped explosive charges with one dimension significantly larger than the other are called linear shaped charges. Linear shaped charges are used in various industries and are applied within specific technologies for metal cutting, such as demolition of steel structures, separating spent rocket fuel tanks, demining, cutting holes in the barriers for fire service, etc. According to existing theories and models efficiency of linear shaped charges depends on the kinetic energy of the jet which is proportional to square of jet velocity. The original method for measuring velocity of linear shaped charge jet is applied in the aforementioned research. Measurements were carried out for two different linear materials, and the results are graphically presented, analysed and compared. Measurement results show a discrepancy in the measured velocity of the jet for different materials with the same ratio between linear and explosive mass (M/C) per unit of surface, which is not described by presented models.

Ključne riječi

jet velocity, linear shaped charges

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