The Characteristic of Blade Formation/Cutting Process of Linear Shaped Charges (LSCs)
Mr. Seokbin Lim, Rock Mechanics and Explosives Research Center (RMERC)
Mr. Braden Lusk, RMERC
Dr. Paul Worsey, RMERC

Abstract:
The Munroe effect has been widely accepted as a main theory of shaped charges including Conical Shaped Charges (CSCs) and Linear Shaped Charges (LSCs).  This theory describes what happens to a target below the charge following detonation of the charge, and infers a fluid jet process for penetration. Recent work performed by the University of Missouri-Rolla, RMERC explosives group revealed that the cutting process of LSCs is different from the widely accepted publications.  The testing has shown that LSCs act similar to the long-rod penetrator concepts based on the Misznay-Schardin effect (an explosion direction is normal from the surface of the explosives). Theoretically the difference in mechanisms between CSC and LSC can be explained by the method of initiation and shape of the liner. CSCs are top initiated and result in a horizontal detonation plane moving downward toward the target. However, in LSC, the initiation is at the end of the charge and after some run up distance, the detonation wave travels through the charge and the flat LSC liner as a vertical plane. This fact and the experiments detailed in the paper present a new explanation for the mechanics of Linear Shaped Charges.

To return to the Program, use the back button above