Characterisation of the Saturn Plane Wave Lens and its use in Foam Studies

Details Characterisation of the Saturn Plane Wave Lens and its use in Foam Studies Characterisation of the Saturn Plane Wave Lens and its use in Foam Studies

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aps..shk.d2005h&link_type=abstract

American Physical Society, Shock Compression of Condensed Matter Meeting, June 24-29, 2001 Renaissance Waverly Hotel, Atlanta, G

Physics

Condensed Matter

Scientific paper

In the Saturn air lens a concave brass plate, projected by a cylindrical charge, generates a nearly planar initiation at the face of a second explosive cylinder. The lens has been characterised using data from two experiments in which the donor drives metal plates whose surface motion is determined by laser interferometry. The data from these experiments has allowed a computational model of the donor, based on a Eulerian code with Lee and Tarver reactive burn, to be optimised. It was found that modelling the initiation pattern of the second charge was important. Further experiments are described in which the lens drives a shock through samples of foam of density 0.3g/cc. The output shock is determined by PVDF pressure gauge measurements in addition to laser interferometry. The data is compared with hydrocode calculations run using different foam Equations of State.

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