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2013 ◽  
Vol 421 ◽  
pp. 46-49 ◽  
Author(s):  
Kyung Jin Kim ◽  
Jahng Hyon Park ◽  
Jong Bong Kim

In order to develop an active protection system for armored vehicles, the launching process of a cylindrical rod-shaped interception projectile was analyzed. The variations of the movement and the velocity of the interception projectile according to the mass ratio of the interception projectile to the LX-14 explosive were simulated using AUTODYN. Simulated results showed that the mass ratio of the interception projectile to the explosive plays a dominant role in determining the final velocity of the interception projectile.



2011 ◽  
Vol 26 (2) ◽  
pp. 140-146 ◽  
Author(s):  
Rahim Khabaz ◽  
Miri Hakimabad

The multi-sphere method, a neutron detection technique, has been improved with a BF3 long cylindrical counter as a thermal detector located in the center of seven spheres with a diameter range of 3.5 to 12 inches. Energy response functions of the system have been determined by applying the MCNP4C Monte Carlo code of 10-8 MeV to 18 MeV. A new shadow cone has been designed to account for scattered neutrons. Although the newly designed shadow cone is smaller in length, its attenuation coefficient has been improved. To evaluate the system, the neutron spectrum of a 241AM-Be source has been measured.















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