Motion of a shaped-charge jet in a porous medium |
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Authors: | Yu A Trishin |
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Affiliation: | (1) Lavrent'ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, 630090 Novosibirsk |
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Abstract: | The problem of the motion of a shaped-charge jet in a porous medium is equivalent to the problem of a blunt cylinder in a
hypersonic flow whose velocity at infinity is equal to the jet velocity in the porous medium. The flow pattern of the medium
is the same as in the case of propagation of a blast wave generated by a point explosion of a cylindrical charge. The approximate
theory of a strong explosion is used to obtain the basic relations for the shock wave and the expanding cavity in the hypersonic
flow of a porous medium around the blunt cylinder. A comparison with experiments on the motion of a copper shaped-charge jet
in porous aluminum is performed.
Translated fromFizika Goreniya i Vzryva, Vol. 35, No. 6, pp. 119–124, November–December 1999. |
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