Investigation of the foil destruction dynamics in an explosively formed fuse opening switch by proton radiography

The dynamics of mechanical destruction of a conductor in an explosively formed fuse opening switch on a finned obstacle under the action of detonation products is studied in the injection channel of the U-70 proton synchrotron. Protonograms are recorded with digital multiframe electron-optic cameras...

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Published in:Technical physics 2012-09, Vol.57 (9), p.1277-1282
Main Authors: Selemir, V. D., Demidov, V. A., Boriskin, A. S., Trutnev, Yu. A., Volkov, A. A., Kazakov, S. A., Belonogov, A. N., Golosov, S. N., Vlasov, Yu. V., Akashev, E. G., Borovkov, V. V., Almazova, K. I., Morozov, I. V.
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Language:English
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Classical and Continuum Physics
Experimental Instruments and Technique
Physics
Physics and Astronomy
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container_end_page 1282
container_issue 9
container_start_page 1277
container_title Technical physics
container_volume 57
creator Selemir, V. D.
Demidov, V. A.
Boriskin, A. S.
Trutnev, Yu. A.
Volkov, A. A.
Kazakov, S. A.
Belonogov, A. N.
Golosov, S. N.
Vlasov, Yu. V.
Akashev, E. G.
Borovkov, V. V.
Almazova, K. I.
Morozov, I. V.
description The dynamics of mechanical destruction of a conductor in an explosively formed fuse opening switch on a finned obstacle under the action of detonation products is studied in the injection channel of the U-70 proton synchrotron. Protonograms are recorded with digital multiframe electron-optic cameras. The exposure time per frame, about 30 ns, is determined by the duration of a proton bunch. The time from the beginning of motion of the conductor to its destruction is about 3 μs. It is shown that the switch with typical sizes of the obstacle (the thickness of the fin is 1.5 mm, and the width and depth of the groove are 1.5 and 4.5 mm, respectively) provides operation with satisfactory gasdynamic parameters.
doi_str_mv 10.1134/S106378421209023X
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Physics and Astronomy
title Investigation of the foil destruction dynamics in an explosively formed fuse opening switch by proton radiography
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