Simulation of the Heating of a Tungsten Conductor by a Nanosecond High-Power Current Pulse

Author: Tkachenko, S.I.

Source: High Temperature, Volume 39, Number 2, 4 March 2001 , pp. 195-198(4)

Publisher: Springer

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Abstract:

The initial stage of explosion of a thin tungsten wire by a high-power current pulse of nanosecond duration is simulated. Radial distributions of parameters of matter are obtained for two models. According to one of the models, it is assumed that an instantaneous separation into phases occurs if the parameters of metal have reached values corresponding to the binodal; in the other model, the existence of a metastable state is allowed. Phase trajectories in the P–Tand ρ–Tplanes are given.

Document Type: Regular Paper

Affiliations: IVTAN (Institute of High Temperatures) Scientific Association, Russian Academy of Sciences, Moscow, 127412 Russia

Publication date: March 4, 2001

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