ENHANCEMENT OF A MAGNETIC FIELD IN A PERFECTLY CONDUCTING MEDIUM
ON PENETRATION OF A HIGH-VELOCITY JET INTO IT
S. V. Fedorov , A. V. Babkin , and S. V. Demidkov

UDC 533.95

We consider the possibility of enhancement of a magnetic 
field created in a conducting medium on penetration into it of a high-velocity 
striker moving across the magnetic-induction lines. For the case of 
a perfectly conducting target, an estimate is obtained for the rate 
of increase of the field intensity in the region of contact with the 
head part of the striker. A dimensionless parameter is introduced 
that characterizes the relationship between the rates of generation 
and diffusion of the field on penetration into a material of finite 
conductivity. Based on a model that takes into account the force action 
of a compressed field, the special features of the flow that arises 
on penetration of a high-velocity cumulative jet into a perfectly 
conducting target with a transverse magnetic field are analyzed.

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