Near-Wall Effects Influence on Longitudinal Symmetry of a Solid Liner Compressed by a Slowly Increasing EMG Current
ALL-RUSSIA SCIENTIFIC RESEARCH INST OF EXPERIMENTAL PHYSICS NIZHNI NOVGOROD (US
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Good longitudinal symmetry of magnetically driven metal cylindrical liners may be observed at a relatively short time of current rise, for example, in experiments at PEGASUS-2 facility l. Because of interaction of the liner with current-conducting edge walls the symmetry of compression may be much worse in experiments with a longer rise time of current delivered by explosive magnetic generators EMG 2. The present paper describes the results of study of nearwall effects negative influence on longitudinal symmetry of compression of liners, close in design to experiments at PEGASUS-2 facility l, but at an order higher duration of current supplied by helical EMG. The work was conducted within the frames of liner technology program LT- 1 experiments.
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