Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994p%26ss...42.1027g&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 42, no. 12, p. 1027-1030
Astronomy and Astrophysics
Astrophysics
7
Ballistic Trajectories, Experiment Design, Explosives, Fracturing, Fragments, Hypervelocity Impact, Simulation, Computer Programs, Framing Cameras, Rotation, Size (Dimensions), Targets, Velocity
Scientific paper
Two sets of hypervelocity impact experiments have been performed in the open using a contact charge technique and recorded using fast-framing cameras. It has been possible to record the uninterrupted ballistic trajectories of fragments from the catastrophically disrupted targets, together with their velocity and rotational properties directly after the impact, as well as their size. By performing these experiments in the open and on fairly soft ground, secondary fragmentation normally caused by impact onto the walls or floor of a test chamber has been minimized. A total of 10 experiments have been performed using targets of artificial rock which were either homogeneous, cored or carefully pre-fractured. We report here on the analysis of some of these data using a computer and special software written and developed by our group, with an indication of the results obtained.
di Martino Mario
Giblin Ian
Martelli Gianpasquale
Smith P. N.
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