Abstract
The paper presents the results of experiments on the implosion of cylindrical liners made of aluminum foil and mylar film with a deposited layer of aluminum. To reduce the rise time of current through a liner to several nanoseconds (1–3 ns), a low-density plasma was injected into the liner area. The experiments were carried out on the MIG generator at a current level through the liner of about 2 MA. A liner with a diameter of 1.8 mm, made of aluminum-deposited 2.5-μm thick mylar film, implodes in 11 ns and has a final velocity of 2×107 cm·s−1. The radius of pinched plasma is about 80–100 μm, which corresponds to a 20-fold radial convergence of the liner.
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