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Microjet Charge for Explosives Destruction


Microjet Charge for Nondetonated Destruction of Explosive Loads

Tech Area / Field

  • PHY-NGD/Fluid Mechanics and Gas Dynamics/Physics

3 Approved without Funding

Registration date

Leading Institute
VNIIEF, Russia, N. Novgorod reg., Sarov


  • Lawrence Livermore National Laboratory, USA, CA, Livermore

Project summary

The objective of this project is to develop a microjet charge (MJC) or a suite of microjet charges capable of using no detonation to destroy loads of high explosive material.

The Project studies belong to the category of applied research, whose aim is to generate new knowledge as needed to develop an efficient destruction method for explosive devices (ED) that may endanger people on vehicles, in airports, train stations, underground, supermarkets, etc.

The concept of the Project includes development of a shaped charge design of the smallest mass possible to form a jet that could disable components of an explosive device and thus turn the load of energetic material into unusable state; and validation of reliable and safe (nondetonated) destruction criteria for the energetic load of a device to be defeated. According to the project developers, the highest efficiency in neutralizing explosive devices will be offered by a suite of microjet charges, or microjet breaker, with the following engineering features:

- Explosive mass of jet charge ~ 1 g;
- Time to deploy ~ 1-3 min.;
- Operating time < 0.1 ms.

Target explosives to be defeated are conventional high explosives or compositions utilizing HMX, RDX, PETN, TNT, bulk-type explosives.

Operation of the microjet breaker will result in the jet stream causing no detonation of the target energetic material but breaking it down into fragments and damaging the parts of the target explosive device (battery pack, initiation unit, wiring, case, etc.).

The Project is expected to generate experimental data to be used in the development of a new efficient method to neutralize different explosive devices and an experimental model of the microjet breaker.

The proposed work is of high priority due to the need to expand counterterrorism efforts, and eliminate the risks for people living in any country worldwide. The Project is novel because it is for the first time that the shaped charge technology is going to be used for other purpose than military applications, which is purely peaceful - to protect human lives and preclude terrorism.


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