1. Department of Physical Hydrodynamics
Laboratory of Multiphase Medium and Cumulation
Laboratory of Vortex Flows
Laboratory of High-Energy Processes

2. Laboratory of Multiphase Medium and Cumulation
Staff: Professors – 4, Doctors – 3
-Experimental and theoretical investigations of dynamics of complex rheological multiphase mediums:
Investigation of wave dynamics in bubble mediums;
- Study of fragmentation’s mechanisms of liquid, liquid like and multiphase mediums (suspensions, emulsion, pastes, gels, polymers, abyssal system and so on).

3. Simulation of explosive eruption of volcano
Method of hydrodynamic shock tubes (two possible location of diaphragms)

4. Dynamic method of micro-inhomogeneities study
Electro-magnetic hydrodynamic Shock Tube
Free surface
Cavitation zone near free surface as result of shock wave reflection from free surface.
System of shock waves generated by cavitation bubbles, cumulative jet formation. Laser flash, time of exposure is 3 nsec.

5. Liquid drop fracture at shock wave loading
Shock wave (SW) is generated
by pulse magnetic field. SW parameters: +3s, Pfr 15 MPa
t=0
60 s
Cavitation zone development in
a liquid drop (D=1 cm)
70 s
t50 s

6. Later stage of cavitative fracture
t1,5 msec a b
Liquid drop fragmentation under short shock loading

7. Structure dynamics of GRA-drop at quasi-static decompression
(cold support) t=
sec

8. HIGH-ENERGY DENSITY PHYSICS LABORATORY Head of Laboratory – Dr. Prof
HIGH-ENERGY DENSITY PHYSICS LABORATORY Head of Laboratory – Dr. Prof. Gennady A. Shvetsov
Staff: 18
2 professors
6 senior researchers (Ph. D.)

9. BASIC ACTIVITIES
Conversion of explosion energy to electromagnetic energy
Electromagnetic acceleration of solids
Development of new composite low-erosion materials
Shaped-charges

10. ELECTROMAGNETIC RAIL LAUNCHERS OF SOLIDS
Plasma Armature Rail-gun:
1 is an energy source, are electrodes, 3 is the accelerated dielectric body, 4 is a foil,
5 are insulators, 6 is a shell,
7 and 8 are switches.

11. ELECTROMAGNETIC RAIL LAUNCHERS OF SOLIDS
1-4: plasma armature velocity
5: projectile velocity
6: theoretical velocity
Why ??
Erosion of materials!
new materials for pulsed power and industrial applications
explosive welding
explosive compaction of powders
m = 1,3 g Vmax = 7,4 km/sec

12. DISRUPTION OF SHAPED-CHARGE JETS BY A PULSED CURRENT
Diagram of experiments: 1 shaped charge; 2 source of electromagnetic energy; 3 electrodes; 4 inductive probes for measuring the current and the derivative of the discharge current; 5 sites of X-ray photography.

13. DISRUPTION OF SHAPED-CHARGE JETS BY A PULSED CURRENT
X-ray photographs of shaped-charge jets without a current (on the left) and with a current (on the right) recorded at various times.