Supersonic water jets as point-like sources of extremely high pressure
Maler D. Grikshtas R. Efimov S. Merzlikin L. Liverts M. Kozlov M. Krasik Y.E.
February 2023American Institute of Physics Inc.
Physics of Plasmas
2023#30Issue 2
Two interacting supersonic water jets and collisions of a water jet with an aluminum target are studied experimentally and by hydrodynamic simulations. Supersonic water jets form, when shocks generated by underwater electrical explosions of conical wire arrays converge. The arrays are supplied by a ∼250 kA, ∼1 μs rise time current pulse. Underwater explosion of two conical arrays placed face to face produces jets propagating in air with velocities of ∼2.5 × 10 3 m/s leading to hot plasma formation at a temperature of ∼2200-3000 K, pressure ∼1.7 × 10 10 Pa, and density >10 29 m-3. When a single array explodes underwater in front of an aluminum target, the collision of the jet with the target produces a local pressure of ∼3 × 10 10 Pa on the surface of the target.
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Physics Department, Technion-Israeli Institute of Technology, Haifa, 3200003, Israel
Engineering Mechanics Department, Royal Institute of Technology, Stockholm, 114 28, Sweden
Center for Preparatory Studies, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Physics Department
Engineering Mechanics Department
Center for Preparatory Studies
10 лет помогаем публиковать статьи Международный издатель
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