A. Fedotov

TL;DR: In this paper, an investigation of underwater electrical wire explosions using high-power microsecond and nanosecond generators is reported, where different diagnostics, including electrical, optical, and spectroscopic, together with hydrodynamic and magnetohydrodynamic simulations, were used to characterize parameters of the discharge channel and generated strong shock waves.

TL;DR: In this article, experimental and magnetohydrodynamic simulation results of nanosecond time scale underwater electrical explosions of Al, Cu, and W wires are presented, and the maximum current rise rate and maximum Joule heating power achieved during wire explosions were dI∕dt⩽500A∕ns and 6GW, respectively.

TL;DR: In this article, an investigation of underwater electrical wire explosions using high-power microsecond and nanosecond generators is reported, where different diagnostics, including electrical, optical, and spectroscopic, together with hydrodynamic and magnetohydrodynamic simulations, were used to characterize parameters of the discharge channel and generated strong shock waves.

TL;DR: In this paper, shearing interferometry, together with shadowgraph and Schlieren photography techniques, has been applied for the visualization of cylindrical water flow behind the shock wave generated by high-power 6 GW nanosecond time-scale underwater electrical discharge.

TL;DR: In this paper, experimental and hydrodynamic simulation results of submicrosecond time scale underwater electrical explosions of planar Cu and Al wire arrays are presented, and the authors estimate the efficiency of the transfer of the energy initially stored in the generator energy to the water flow.