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Hyper-Velocity Impact


Investigation of Hyper-velocity Impact of Solid Particles to Barriers

Tech Area / Field

  • PHY-SSP/Solid State Physics/Physics

3 Approved without Funding

Registration date

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


  • Lawrence Livermore National Laboratory, USA, CA, Livermore\nSandia National Laboratories, USA, NM, Albuquerque

Project summary


Perform experimental investigation of hyper-velocity solid particles (>10 km/s) interaction with barriers of various design (thick plate, thin sheet, multi-sheet system, multi-layered system).

Adapt available elastic-viscous-plastic numerical codes to provide effective numerical simulation of hyper-velocity impact considering processes of phase transitions (melting and evaporation).

Workout technical recommendations on spacecraft shielding against space debris.

Technical Approach

Experimental investigation will consist of:

- approx. 15 tests aimed on obtaining parameters of materials models in the range of interest;
- approx. 15 tests aimed on detailed investigation of hyper-velocity solid particles interaction with barriers of various design.

Experimenting is to be performed at internal test sites of RFNC-VNIIEF on available installations:

- blast launching systems capable to accelerate solid particles of > l g mass to velocity > 11 km/s;
- receiving vacuum chamber.

Available installations need adaptation - vacuum channel for hyper-velocity particles transition to receiving vacuum chamber coupled with system of low-velocity explosion products cut-off is to be developed and manufactured.

During the experiments are to be performed independently (after modification of available registration complexes):

- process optical registration (high frame-rate shooting);
- process X-ray registration (multi-flash and multi-aspect X-rayography);
- registration of dynamic pressures, stresses and impulse by gages;
- registration of time of arrival by contact gages;
- posttest investigation of craters and holes.

Developed at RFNC-VNIIEF codes for numerical simulation of transient two-phase gas-dynamics and dynamics of elastic-viscous-plastic structures will be used after adaptation for mathematical modeling of impact.

Experiments are to be supported by 2D and 3D numerical simulations.

Experimental results are to be used for testing of numerical codes.

Potential Role of Foreign Collaborators

Clarify the most interesting range of impact parameters (mass and material of particles, impact angle and velocity) and barrier design.

Coordinate on technical conditions of experiments. Perform joint testing of numerical codes.

Develop proposals on future joint work on design of spacecraft shielding against space debris and investigation of hyper-velocity impact phenomena.


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